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id="toc-Biodegradation" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Biodegradation"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span> <span>Biodegradation</span> </div> </a> <ul id="toc-Biodegradation-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Glycosylation" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Glycosylation"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.3</span> <span>Glycosylation</span> </div> </a> <ul id="toc-Glycosylation-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Chemistry" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Chemistry"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Chemistry</span> </div> </a> <button aria-controls="toc-Chemistry-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only 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class="vector-toc-text"> <span class="vector-toc-numb">5.3</span> <span>Chemical use</span> </div> </a> <ul id="toc-Chemical_use-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Bioactivity_and_safety" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Bioactivity_and_safety"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Bioactivity and safety</span> </div> </a> <ul id="toc-Bioactivity_and_safety-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" 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Available in 17 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-17" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">17 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%DB%B4-%D9%87%DB%8C%D8%AF%D8%B1%D9%88%DA%A9%D8%B3%DB%8C%E2%80%8C%D8%A8%D9%86%D8%B2%D9%88%D8%A6%DB%8C%DA%A9_%D8%A7%D8%B3%DB%8C%D8%AF" title="۴-هیدروکسی‌بنزوئیک اسید – South Azerbaijani" lang="azb" hreflang="azb" data-title="۴-هیدروکسی‌بنزوئیک اسید" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/4-Hydroxybenzoes%C3%A4ure" title="4-Hydroxybenzoesäure – German" lang="de" hreflang="de" data-title="4-Hydroxybenzoesäure" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/%C3%81cido_p-hidroxibenzoico" title="Ácido p-hidroxibenzoico – Spanish" lang="es" hreflang="es" data-title="Ácido p-hidroxibenzoico" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Hidroksobenzoata_acido" title="Hidroksobenzoata acido – Esperanto" lang="eo" hreflang="eo" data-title="Hidroksobenzoata acido" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DB%B4-%D9%87%DB%8C%D8%AF%D8%B1%D9%88%DA%A9%D8%B3%DB%8C%E2%80%8C%D8%A8%D9%86%D8%B2%D9%88%D8%A6%DB%8C%DA%A9_%D8%A7%D8%B3%DB%8C%D8%AF" title="۴-هیدروکسی‌بنزوئیک اسید – Persian" lang="fa" hreflang="fa" data-title="۴-هیدروکسی‌بنزوئیک اسید" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Acide_parahydroxybenzo%C3%AFque" title="Acide parahydroxybenzoïque – French" lang="fr" hreflang="fr" data-title="Acide parahydroxybenzoïque" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Acido_4-idrossibenzoico" title="Acido 4-idrossibenzoico – Italian" lang="it" hreflang="it" data-title="Acido 4-idrossibenzoico" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/4-%D7%94%D7%99%D7%93%D7%A8%D7%95%D7%A7%D7%A1%D7%99_%D7%97%D7%95%D7%9E%D7%A6%D7%94_%D7%91%D7%A0%D7%96%D7%95%D7%90%D7%99%D7%AA" title="4-הידרוקסי חומצה בנזואית – Hebrew" lang="he" hreflang="he" data-title="4-הידרוקסי חומצה בנזואית" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/4-hydroxybenzo%C3%ABzuur" title="4-hydroxybenzoëzuur – Dutch" lang="nl" hreflang="nl" data-title="4-hydroxybenzoëzuur" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/4-%E3%83%92%E3%83%89%E3%83%AD%E3%82%AD%E3%82%B7%E5%AE%89%E6%81%AF%E9%A6%99%E9%85%B8" title="4-ヒドロキシ安息香酸 – Japanese" lang="ja" hreflang="ja" data-title="4-ヒドロキシ安息香酸" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/%C3%81cido_4-hidroxibenzoico" title="Ácido 4-hidroxibenzoico – Portuguese" lang="pt" hreflang="pt" data-title="Ácido 4-hidroxibenzoico" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Acid_4-hidroxibenzoic" title="Acid 4-hidroxibenzoic – Romanian" lang="ro" hreflang="ro" data-title="Acid 4-hidroxibenzoic" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9F%D0%B0%D1%80%D0%B0-%D0%93%D0%B8%D0%B4%D1%80%D0%BE%D0%BA%D1%81%D0%B8%D0%B1%D0%B5%D0%BD%D0%B7%D0%BE%D0%B9%D0%BD%D0%B0%D1%8F_%D0%BA%D0%B8%D1%81%D0%BB%D0%BE%D1%82%D0%B0" title="Пара-Гидроксибензойная кислота – Russian" lang="ru" hreflang="ru" data-title="Пара-Гидроксибензойная кислота" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/4-Hidroksibenzojeva_kiselina" title="4-Hidroksibenzojeva kiselina – Serbian" lang="sr" hreflang="sr" data-title="4-Hidroksibenzojeva kiselina" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/4-Hidroksibenzojeva_kiselina" title="4-Hidroksibenzojeva kiselina – Serbo-Croatian" lang="sh" hreflang="sh" data-title="4-Hidroksibenzojeva kiselina" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/P-Hydroksibentsoehappo" title="P-Hydroksibentsoehappo – Finnish" lang="fi" hreflang="fi" data-title="P-Hydroksibentsoehappo" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link 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.ib-chembox td+td{width:60%}</style> <table class="infobox ib-chembox"> <caption>4-Hydroxybenzoic acid </caption> <tbody><tr> <td colspan="2" style="text-align:center; padding:2px;"><span typeof="mw:File"><a href="/wiki/File:4-hydroxybenzoic_acid_200.svg" class="mw-file-description" title="Skeletal formula"><img alt="Skeletal formula" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/4-hydroxybenzoic_acid_200.svg/200px-4-hydroxybenzoic_acid_200.svg.png" decoding="async" width="200" height="125" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/4-hydroxybenzoic_acid_200.svg/300px-4-hydroxybenzoic_acid_200.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/ff/4-hydroxybenzoic_acid_200.svg/400px-4-hydroxybenzoic_acid_200.svg.png 2x" data-file-width="170" data-file-height="106" /></a></span> </td></tr> <tr> <td colspan="2" style="text-align:center; padding:2px;"><span typeof="mw:File"><a href="/wiki/File:4-Hydroxybenzoic-acid-3D-balls.png" class="mw-file-description" title="Ball-and-stick model"><img alt="Ball-and-stick model" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0b/4-Hydroxybenzoic-acid-3D-balls.png/100px-4-Hydroxybenzoic-acid-3D-balls.png" decoding="async" width="100" height="161" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0b/4-Hydroxybenzoic-acid-3D-balls.png/150px-4-Hydroxybenzoic-acid-3D-balls.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0b/4-Hydroxybenzoic-acid-3D-balls.png/200px-4-Hydroxybenzoic-acid-3D-balls.png 2x" data-file-width="964" data-file-height="1555" /></a></span> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Names </th></tr> <tr> <td colspan="2" style="text-align:left;"><a href="/wiki/Preferred_IUPAC_name" title="Preferred IUPAC name">Preferred IUPAC name</a> <div style="max-width:22em; word-wrap:break-word; padding-left:1.7em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0; max-width:22em;">4-Hydroxybenzoic acid</div></div> </td></tr> <tr> <td colspan="2" style="text-align:left;">Other names <div style="max-width:22em; word-wrap:break-word; padding-left:1.7em;"><i>p</i>-Hydroxybenzoic acid<br /><i>para</i>-Hydroxybenzoic acid<br />PHBA<br />4-hydroxybenzoate</div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Identifiers </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/CAS_Registry_Number" title="CAS Registry Number">CAS Number</a></div> </td> <td><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist"><ul><li><span title="commonchemistry.cas.org"><a rel="nofollow" class="external text" href="https://commonchemistry.cas.org/detail?cas_rn=99-96-7">99-96-7</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">3D model (<a href="/wiki/JSmol" class="mw-redirect" title="JSmol">JSmol</a>)</div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="chemapps.stolaf.edu (3D interactive model)"><a rel="nofollow" class="external text" href="https://chemapps.stolaf.edu/jmol/jmol.php?model=O%3DC%28O%29c1ccc%28O%29cc1">Interactive image</a></span></li><li><span title="chemapps.stolaf.edu (3D interactive model)"><a rel="nofollow" class="external text" href="https://chemapps.stolaf.edu/jmol/jmol.php?model=c1cc%28ccc1C%28%3DO%29O%29O">Interactive image</a></span></li></ul></div> </td></tr> <tr> <td><a href="/wiki/ChEBI" title="ChEBI">ChEBI</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.ebi.ac.uk"><a rel="nofollow" class="external text" href="https://www.ebi.ac.uk/chebi/searchId.do?chebiId=30763">CHEBI:30763</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><a href="/wiki/ChEMBL" title="ChEMBL">ChEMBL</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.ebi.ac.uk"><a rel="nofollow" class="external text" href="https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/ChEMBL441343">ChEMBL441343</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><a href="/wiki/ChemSpider" title="ChemSpider">ChemSpider</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.chemspider.com"><a rel="nofollow" class="external text" href="https://www.chemspider.com/Chemical-Structure.132.html">132</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><a href="/wiki/DrugBank" title="DrugBank">DrugBank</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.drugbank.ca"><a rel="nofollow" class="external text" href="https://www.drugbank.ca/drugs/DB04242">DB04242</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><a href="/wiki/ECHA_InfoCard" class="mw-redirect" title="ECHA InfoCard"><span title="echa.europa.eu">ECHA InfoCard</span></a> </td> <td><a rel="nofollow" class="external text" href="https://echa.europa.eu/substance-information/-/substanceinfo/100.002.550">100.002.550</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q229970#P2566" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span> </td></tr> <tr> <td><a href="/wiki/European_Community_number" title="European Community number"><span title="European Community number (chemical identifier)">EC Number</span></a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li>202-804-9</li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/IUPHAR/BPS" class="mw-redirect" title="IUPHAR/BPS">IUPHAR/BPS</a></div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.guidetopharmacology.org"><a rel="nofollow" class="external text" href="http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?tab=summary&ligandId=5783">5783</a></span></li></ul></div> </td></tr> <tr> <td><a href="/wiki/KEGG" title="KEGG">KEGG</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.kegg.jp"><a rel="nofollow" class="external text" href="https://www.kegg.jp/entry/C00156">C00156</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/PubChem" title="PubChem">PubChem</a> <abbr title="Compound ID">CID</abbr></div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="pubchem.ncbi.nlm.nih.gov"><a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/135">135</a></span></li></ul></div> </td></tr> <tr> <td><a href="/wiki/Unique_Ingredient_Identifier" title="Unique Ingredient Identifier">UNII</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="precision.fda.gov"><a rel="nofollow" class="external text" href="https://precision.fda.gov/uniisearch/srs/unii/JG8Z55Y12H">JG8Z55Y12H</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/CompTox_Chemicals_Dashboard" title="CompTox Chemicals Dashboard">CompTox Dashboard</a> <span style="font-weight:normal">(<abbr title="U.S. Environmental Protection Agency">EPA</abbr>)</span></div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="comptox.epa.gov"><a rel="nofollow" class="external text" href="https://comptox.epa.gov/dashboard/chemical/details/DTXSID3026647">DTXSID3026647</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q229970#P3117" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></li></ul></div> </td></tr> <tr> <td colspan="2"><div class="collapsible-list mw-collapsible mw-collapsed" style="text-align: left;"> <div style="line-height: 1.6em; font-weight: bold; text-align:left; font-weight:normal; background:transparent;"><div><a href="/wiki/International_Chemical_Identifier" title="International Chemical Identifier">InChI</a></div></div> <ul class="mw-collapsible-content" style="margin-top: 0; margin-bottom: 0; line-height: inherit; list-style: none; margin-left: 0; word-break:break-all;"><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.5em; text-align:left;"><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">InChI=1S/C7H6O3/c8-6-3-1-5(2-4-6)7(9)10/h1-4,8H,(H,9,10)<sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></div><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">Key: FJKROLUGYXJWQN-UHFFFAOYSA-N<sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></div></div></li><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.5em; text-align:left;"><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">InChI=1/C7H6O3/c8-6-3-1-5(2-4-6)7(9)10/h1-4,8H,(H,9,10)</div><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">Key: FJKROLUGYXJWQN-UHFFFAOYAQ</div></div></li></ul> </div> </td></tr> <tr> <td colspan="2"><div class="collapsible-list mw-collapsible mw-collapsed" style="text-align: left;"> <div style="line-height: 1.6em; font-weight: bold; text-align:left; font-weight:normal; background:transparent;"><div><a href="/wiki/Simplified_molecular-input_line-entry_system" class="mw-redirect" title="Simplified molecular-input line-entry system">SMILES</a></div></div> <ul class="mw-collapsible-content" style="margin-top: 0; margin-bottom: 0; line-height: inherit; list-style: none; margin-left: 0; word-break:break-all;"><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.6em; word-wrap:break-word; text-indent:-1.5em; text-align:left; font-size:97%; line-height:120%;">O=C(O)c1ccc(O)cc1</div></li><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.6em; word-wrap:break-word; text-indent:-1.5em; text-align:left; font-size:97%; line-height:120%;">c1cc(ccc1C(=O)O)O</div></li></ul> </div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Properties </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Chemical_formula" title="Chemical formula">Chemical formula</a></div> </td> <td><span title="Carbon">C</span><sub>7</sub><span title="Hydrogen">H</span><sub>6</sub><span title="Oxygen">O</span><sub>3</sub> </td></tr> <tr> <td><a href="/wiki/Molar_mass" title="Molar mass">Molar mass</a> </td> <td><span class="nowrap"><span data-sort-value="7002138122000000000♠"></span>138.122</span> g·mol<sup>−1</sup>   </td></tr> <tr> <td>Appearance </td> <td>White crystalline solid </td></tr> <tr> <td><a href="/wiki/Odor" title="Odor">Odor</a> </td> <td>Odorless </td></tr> <tr> <td><a href="/wiki/Density" title="Density">Density</a> </td> <td>1.46<span class="nowrap"> </span>g/cm<sup>3</sup> </td></tr> <tr> <td><a href="/wiki/Melting_point" title="Melting point">Melting point</a> </td> <td>214.5 °C (418.1 °F; 487.6 K) </td></tr> <tr> <td><a href="/wiki/Boiling_point" title="Boiling point">Boiling point</a> </td> <td>N/A, decomposes<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Aqueous_solution" title="Aqueous solution">Solubility in water</a></div> </td> <td>0.5<span class="nowrap"> </span>g/100 mL </td></tr> <tr> <td><a href="/wiki/Solubility" title="Solubility">Solubility</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li>Soluble in <a href="/wiki/Ethanol" title="Ethanol">alcohol</a>, <a href="/wiki/Diethyl_ether" title="Diethyl ether">ether</a>, <a href="/wiki/Acetone" title="Acetone">acetone</a></li><li>Slightly soluble in <a href="/wiki/Chloroform" title="Chloroform">chloroform</a></li><li>Negligibly in <a href="/wiki/Carbon_disulfide" title="Carbon disulfide">CS<sub>2</sub></a></li></ul></div> </td></tr> <tr> <td><a href="/wiki/Partition_coefficient" title="Partition coefficient">log <i>P</i></a> </td> <td>1.58 </td></tr> <tr> <td><a href="/wiki/Acid_dissociation_constant" title="Acid dissociation constant">Acidity</a> (p<i>K</i><sub>a</sub>) </td> <td>4.54 </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Hazards </th></tr> <tr> <td colspan="2" style="text-align:left; background-color:#eaeaea;"><b><a href="/wiki/Occupational_safety_and_health" title="Occupational safety and health">Occupational safety and health</a></b> (OHS/OSH): </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Main hazards</div> </td> <td>Irritant </td></tr> <tr> <td><a href="/wiki/NFPA_704" title="NFPA 704"><b>NFPA 704</b></a> (fire diamond) </td> <td><style data-mw-deduplicate="TemplateStyles:r1170367383">.mw-parser-output .nfpa-704-diamond-ref{float:right;padding:1px;text-align:right}.mw-parser-output .nfpa-704-diamond-container{width:82px;font-family:sans-serif;margin:0 auto}.mw-parser-output .nfpa-704-diamond-container-ref{float:left;margin-left:1em}.mw-parser-output .nfpa-704-diamond-images{float:left;font-size:20px;text-align:center;position:relative;height:80px;width:80px;padding:1px}.mw-parser-output .nfpa-704-diamond-map{position:absolute;height:80px;width:80px}.mw-parser-output .nfpa-704-diamond .noresize{margin:0 auto}.mw-parser-output .nfpa-704-diamond-code{line-height:1em;text-align:center;position:absolute}.mw-parser-output .nfpa-704-diamond-code>a{color:black}.mw-parser-output .nfpa-704-diamond-blue{width:13px;top:31px;left:15px}.mw-parser-output .nfpa-704-diamond-red{width:12px;top:12px;left:35px}.mw-parser-output .nfpa-704-diamond-yellow{width:13px;top:31px;left:54px}.mw-parser-output .nfpa-704-diamond-white-image{position:relative;top:51px;left:0}.mw-parser-output .nfpa-704-diamond-white-text{vertical-align:middle;text-align:center;line-height:80%;position:absolute;top:52px}.mw-parser-output .nfpa-704-diamond-white-text a>span{position:absolute;color:black}.mw-parser-output .nfpa-704-diamond-white-wors{font-size:15px;width:23px;left:29px}.mw-parser-output .nfpa-704-diamond-white-wox{font-size:15px;font-stretch:condensed;width:21px;line-height:80%;top:-4px;left:29px}.mw-parser-output .nfpa-704-diamond-white-abcp{font-size:13.5px;font-stretch:condensed;width:28px;left:26px}.mw-parser-output .nfpa-704-diamond-white-ac{font-size:10px;width:30px;left:25px}.mw-parser-output .nfpa-704-diamond-white-strike{text-decoration:line-through}</style><div class="nfpa-704-diamond notheme"><div class="nfpa-704-diamond-container"><div class="nfpa-704-diamond-images nounderlines"> <div class="nfpa-704-diamond-map"><figure class="noresize" typeof="mw:File"><span><img alt="NFPA 704 four-colored diamond" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/NFPA_704.svg/80px-NFPA_704.svg.png" decoding="async" width="80" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/NFPA_704.svg/120px-NFPA_704.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6f/NFPA_704.svg/160px-NFPA_704.svg.png 2x" data-file-width="512" data-file-height="512" usemap="#ImageMap_b27845110d7e52b0" /></span><map name="ImageMap_b27845110d7e52b0"><area href="/wiki/NFPA_704#Blue" shape="poly" coords="23,23,47,47,23,70,0,47" alt="Health 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroform" title="Health 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroform" /><area href="/wiki/NFPA_704#Red" shape="poly" coords="47,0,70,23,47,47,23,23" alt="Flammability 0: Will not burn. E.g. water" title="Flammability 0: Will not burn. E.g. water" /><area href="/wiki/NFPA_704#Yellow" shape="poly" coords="70,23,94,47,70,70,47,47" alt="Instability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogen" title="Instability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogen" /><area href="/wiki/NFPA_704#White" shape="poly" coords="47,47,70,70,47,94,23,70" alt="Special hazards (white): no code" title="Special hazards (white): no code" /></map><figcaption></figcaption></figure></div><div class="nfpa-704-diamond-code nfpa-704-diamond-blue"> <a href="/wiki/NFPA_704#Blue" title="NFPA 704"><span title="Health 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroform" class="notheme mw-no-invert">2</span></a></div><div class="nfpa-704-diamond-code nfpa-704-diamond-red"> <a href="/wiki/NFPA_704#Red" title="NFPA 704"><span title="Flammability 0: Will not burn. E.g. water" class="notheme mw-no-invert">0</span></a></div><div class="nfpa-704-diamond-code nfpa-704-diamond-yellow"> <a href="/wiki/NFPA_704#Yellow" title="NFPA 704"><span title="Instability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogen" class="notheme mw-no-invert">0</span></a></div></div></div></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Autoignition_temperature" title="Autoignition temperature">Autoignition<br />temperature</a></div> </td> <td>250 °C (482 °F; 523 K) </td></tr> <tr> <td colspan="2" style="text-align:left; background-color:#eaeaea;"><b>Lethal dose</b> or concentration (LD, LC): </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">LD<sub>50</sub> (<a href="/wiki/Lethal_dose#LD50" title="Lethal dose">median dose</a>)</div> </td> <td>2200<span class="nowrap"> </span>mg/kg (oral, mouse) </td></tr> <tr> <td><a href="/wiki/Safety_data_sheet" title="Safety data sheet">Safety data sheet</a> (SDS) </td> <td><a rel="nofollow" class="external text" href="http://www.hmdb.ca/system/metabolites/msds/000/000/419/original/HMDB00500.pdf?1358461253">HMDB</a> </td></tr> <tr> <td colspan="2" style="text-align:left; background:#f8eaba; border:1px solid #a2a9b1;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Except where otherwise noted, data are given for materials in their <a href="/wiki/Standard_state" title="Standard state">standard state</a> (at 25 °C [77 °F], 100 kPa).</div> <div style="margin-top: 0.3em;"><div style="text-align:center;"><span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/12px-Yes_check.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/18px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/24px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span> <span class="reflink plainlinks nourlexpansion"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Special:ComparePages&rev1=477222223&page2=4-Hydroxybenzoic+acid">verify</a></span> (<a href="/wiki/Wikipedia:WikiProject_Chemicals/Chembox_validation" title="Wikipedia:WikiProject Chemicals/Chembox validation">what is</a> <sup><span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span><span typeof="mw:File"><span><img alt="☒" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/7px-X_mark.svg.png" decoding="async" width="7" height="8" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/11px-X_mark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/14px-X_mark.svg.png 2x" data-file-width="525" data-file-height="600" /></span></span><span style="display:none">N</span></sup> ?) </div></div> <div style="margin-top: 0.3em; text-align: center;"><a href="/wiki/Wikipedia:Chemical_infobox#References" title="Wikipedia:Chemical infobox">Infobox references</a></div> </td></tr> </tbody></table><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Chemical compound</div> <p><b>4-Hydroxybenzoic acid</b>, also known as <b><i>p</i>-hydroxybenzoic acid</b> (<b>PHBA</b>), is a <a href="/wiki/Monohydroxybenzoic_acid" title="Monohydroxybenzoic acid">monohydroxybenzoic acid</a>, a phenolic derivative of benzoic acid. It is a white crystalline solid that is slightly soluble in water and <a href="/wiki/Chloroform" title="Chloroform">chloroform</a> but more soluble in polar organic solvents such as <a href="/wiki/Alcohol_(chemistry)" title="Alcohol (chemistry)">alcohols</a> and <a href="/wiki/Acetone" title="Acetone">acetone</a>. 4-Hydroxybenzoic acid is primarily known as the basis for the preparation of its <a href="/wiki/Ester" title="Ester">esters</a>, known as <a href="/wiki/Paraben" title="Paraben">parabens</a>, which are used as preservatives in cosmetics and some ophthalmic solutions. It is <a href="/wiki/Isomer" title="Isomer">isomeric</a> with 2-hydroxybenzoic acid, known as <a href="/wiki/Salicylic_acid" title="Salicylic acid">salicylic acid</a>, a precursor to <a href="/wiki/Aspirin" title="Aspirin">aspirin</a>, and with <a href="/wiki/3-hydroxybenzoic_acid" class="mw-redirect" title="3-hydroxybenzoic acid">3-hydroxybenzoic acid</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Natural_occurrences">Natural occurrences</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=4-Hydroxybenzoic_acid&action=edit&section=1" title="Edit section: Natural occurrences"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>It is found in plants of the genus <i>Vitex</i> such as <i><a href="/wiki/Vitex_agnus-castus" title="Vitex agnus-castus">V. agnus-castus</a></i> or <i><a href="/wiki/Vitex_negundo" title="Vitex negundo">V. negundo</a></i>, and in <i><a href="/wiki/Hypericum_perforatum" title="Hypericum perforatum">Hypericum perforatum</a></i> (St John's wort). It is also found in <i><a href="/wiki/Spongiochloris_spongiosa" title="Spongiochloris spongiosa">Spongiochloris spongiosa</a></i>, a freshwater green alga. </p><p>The compound is also found in <i><a href="/wiki/Ganoderma_lucidum" title="Ganoderma lucidum">Ganoderma lucidum</a></i>, a <a href="/wiki/Medicinal_mushroom" class="mw-redirect" title="Medicinal mushroom">medicinal mushroom</a> with the longest record of use. </p><p><i><a href="/wiki/Cryptanaerobacter_phenolicus" title="Cryptanaerobacter phenolicus">Cryptanaerobacter phenolicus</a></i> is a bacterium species that produces <a href="/wiki/Benzoic_acid" title="Benzoic acid">benzoate</a> from <a href="/wiki/Phenol" title="Phenol">phenol</a> via 4-hydroxybenzoate.<sup id="cite_ref-Juteau_2-0" class="reference"><a href="#cite_note-Juteau-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Occurrences_in_food">Occurrences in food</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=4-Hydroxybenzoic_acid&action=edit&section=2" title="Edit section: Occurrences in food"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>4-Hydroxybenzoic acid can be found naturally in <a href="/wiki/Coconut" title="Coconut">coconut</a>.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> It is one of the main catechins <a href="/wiki/Metabolite" title="Metabolite">metabolites</a> found in humans after consumption of <a href="/wiki/Green_tea" title="Green tea">green tea</a> infusions.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> It is also found in <a href="/wiki/Wine" title="Wine">wine</a>,<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> in <a href="/wiki/Vanilla" title="Vanilla">vanilla</a>, in <i><a href="/wiki/Macrotyloma_uniflorum" title="Macrotyloma uniflorum">Macrotyloma uniflorum</a></i> (horse gram), <a href="/wiki/Carob" title="Carob">carob</a><sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> and in <i><a href="/wiki/Phyllanthus_acidus" title="Phyllanthus acidus">Phyllanthus acidus</a></i> (Otaheite gooseberry). </p><p><a href="/wiki/A%C3%A7a%C3%AD_oil" title="Açaí oil">Açaí oil</a>, obtained from the fruit of the <a href="/wiki/A%C3%A7a%C3%AD_palm" title="Açaí palm">açaí palm</a> (<i>Euterpe oleracea</i>), is rich in <i>p</i>-hydroxybenzoic acid (<span class="nowrap"><span data-sort-value="6996892000000000000♠"></span>892<span style="margin-left:0.3em;margin-right:0.15em;">±</span>52 mg/kg</span>).<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> It is also found in <a href="/wiki/Cloudy_olive_oil" class="mw-redirect" title="Cloudy olive oil">cloudy olive oil</a><sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (February 2019)">citation needed</span></a></i>]</sup> and in the edible mushroom <i><a href="/wiki/Russula_virescens" title="Russula virescens">Russula virescens</a></i> (green-cracking russula).<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (February 2019)">citation needed</span></a></i>]</sup> </p> <div class="mw-heading mw-heading2"><h2 id="Related_compounds">Related compounds</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=4-Hydroxybenzoic_acid&action=edit&section=3" title="Edit section: Related compounds"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/4-Hydroxybenzoic_acid_4-O-glucoside" title="4-Hydroxybenzoic acid 4-O-glucoside"><i>p</i>-Hydroxybenzoic acid glucoside</a> can be found in mycorrhizal and non-mycorrhizal roots of Norway spruces (<i><a href="/wiki/Picea_abies" title="Picea abies">Picea abies</a></i>).<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p><p><a href="/wiki/Violdelphin" title="Violdelphin">Violdelphin</a> is an anthocyanin, a type of plant pigments, found in blue flowers and incorporating two <i>p</i>-hydroxybenzoic acid residues, one <a href="/wiki/Rutinoside" class="mw-redirect" title="Rutinoside">rutinoside</a> and two <a href="/wiki/Glucosides" class="mw-redirect" title="Glucosides">glucosides</a> associated with a <a href="/wiki/Delphinidin" title="Delphinidin">delphinidin</a>. </p><p><a href="/wiki/Agnuside" title="Agnuside">Agnuside</a> is the ester of <a href="/wiki/Aucubin" title="Aucubin">aucubin</a> and <i>p</i>-hydroxybenzoic acid.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Biosynthesis">Biosynthesis</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=4-Hydroxybenzoic_acid&action=edit&section=4" title="Edit section: Biosynthesis"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Chorismate_lyase" title="Chorismate lyase">Chorismate lyase</a> is an enzyme that transforms <a href="/wiki/Chorismate" class="mw-redirect" title="Chorismate">chorismate</a> into 4-hydroxybenzoate and pyruvate. This enzyme catalyses the first step in <a href="/wiki/Ubiquinone" class="mw-redirect" title="Ubiquinone">ubiquinone</a> biosynthesis in <i><a href="/wiki/Escherichia_coli" title="Escherichia coli">Escherichia coli</a></i> and other Gram-negative bacteria. </p><p><a href="/wiki/Benzoate_4-monooxygenase" title="Benzoate 4-monooxygenase">Benzoate 4-monooxygenase</a> is an enzyme that utilizes <a href="/wiki/Benzoic_acid" title="Benzoic acid">benzoate</a>, NADPH, H<sup>+</sup> and O<sub>2</sub> to produce 4-hydroxybenzoate, NADP<sup>+</sup> and H<sub>2</sub>O. This enzyme can be found in <i><a href="/wiki/Aspergillus_niger" title="Aspergillus niger">Aspergillus niger</a></i>. </p><p>4-Hydroxybenzoate also arises from tyrosine.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Metabolism">Metabolism</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=4-Hydroxybenzoic_acid&action=edit&section=5" title="Edit section: Metabolism"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="As_an_intermediate">As an intermediate</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=4-Hydroxybenzoic_acid&action=edit&section=6" title="Edit section: As an intermediate"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The enzyme <a href="/wiki/4-methoxybenzoate_monooxygenase_(O-demethylating)" title="4-methoxybenzoate monooxygenase (O-demethylating)">4-methoxybenzoate monooxygenase (O-demethylating)</a> transforms <a href="/w/index.php?title=4-methoxybenzoate&action=edit&redlink=1" class="new" title="4-methoxybenzoate (page does not exist)">4-methoxybenzoate</a>, an electron acceptor AH<sub>2</sub> and O<sub>2</sub> into 4-hydroxybenzoate, formaldehyde, the reduction product A and H<sub>2</sub>O. This enzyme participates in <a href="/w/index.php?title=2,4-dichlorobenzoate&action=edit&redlink=1" class="new" title="2,4-dichlorobenzoate (page does not exist)">2,4-dichlorobenzoate</a> degradation in <i><a href="/wiki/Pseudomonas_putida" title="Pseudomonas putida">Pseudomonas putida</a></i>. </p><p>The enzyme <a href="/wiki/4-hydroxybenzaldehyde_dehydrogenase" title="4-hydroxybenzaldehyde dehydrogenase">4-hydroxybenzaldehyde dehydrogenase</a> uses <a href="/wiki/4-hydroxybenzaldehyde" class="mw-redirect" title="4-hydroxybenzaldehyde">4-hydroxybenzaldehyde</a>, NAD<sup>+</sup> and H<sub>2</sub>O to produce 4-hydroxybenzoate, NADH and H<sup>+</sup>. This enzyme participates in <a href="/wiki/Toluene" title="Toluene">toluene</a> and <a href="/wiki/Xylene" title="Xylene">xylene</a> degradation in bacteria such as <i><a href="/wiki/Pseudomonas_mendocina" title="Pseudomonas mendocina">Pseudomonas mendocina</a></i>. It is also found in carrots (<i><a href="/wiki/Daucus_carota" title="Daucus carota">Daucus carota</a></i>). </p><p>The enzyme that <a href="/wiki/2,4%27-dihydroxyacetophenone_dioxygenase" title="2,4'-dihydroxyacetophenone dioxygenase">2,4'-dihydroxyacetophenone dioxygenase</a> transforms <a href="/w/index.php?title=2,4%27-dihydroxyacetophenone&action=edit&redlink=1" class="new" title="2,4'-dihydroxyacetophenone (page does not exist)">2,4'-dihydroxyacetophenone</a> and O<sub>2</sub> into 4-hydroxybenzoate and <a href="/wiki/Formate" title="Formate">formate</a>. This enzyme participates in <a href="/wiki/Bisphenol_A" title="Bisphenol A">bisphenol A</a> degradation. It can be found in <i><a href="/wiki/Alcaligenes" title="Alcaligenes">Alcaligenes</a></i> species. </p><p>The enzyme <a href="/wiki/4-chlorobenzoate_dehalogenase" title="4-chlorobenzoate dehalogenase">4-chlorobenzoate dehalogenase</a> uses <a href="/w/index.php?title=4-chlorobenzoate&action=edit&redlink=1" class="new" title="4-chlorobenzoate (page does not exist)">4-chlorobenzoate</a> and H<sub>2</sub>O to produce 4-hydroxybenzoate and <a href="/wiki/Chloride" title="Chloride">chloride</a>. It can be found in <i><a href="/wiki/Pseudomonas" title="Pseudomonas">Pseudomonas</a></i> species. </p><p>The enzyme <a href="/wiki/4-hydroxybenzoyl-CoA_thioesterase" title="4-hydroxybenzoyl-CoA thioesterase">4-hydroxybenzoyl-CoA thioesterase</a> utilizes <a href="/wiki/4-hydroxybenzoyl-CoA" class="mw-redirect" title="4-hydroxybenzoyl-CoA">4-hydroxybenzoyl-CoA</a> and H<sub>2</sub>O to produce 4-hydroxybenzoate and CoA. This enzyme participates in <a href="/w/index.php?title=2,4-dichlorobenzoate&action=edit&redlink=1" class="new" title="2,4-dichlorobenzoate (page does not exist)">2,4-dichlorobenzoate</a> degradation. It can be found in <i><a href="/wiki/Pseudomonas" title="Pseudomonas">Pseudomonas</a></i> species. </p><p>The enzyme <a href="/wiki/4-hydroxybenzoate_polyprenyltransferase" title="4-hydroxybenzoate polyprenyltransferase">4-hydroxybenzoate polyprenyltransferase</a> uses a polyprenyl diphosphate and 4-hydroxybenzoate to produce diphosphate and <a href="/w/index.php?title=4-hydroxy-3-polyprenylbenzoate&action=edit&redlink=1" class="new" title="4-hydroxy-3-polyprenylbenzoate (page does not exist)">4-hydroxy-3-polyprenylbenzoate</a>. This enzyme participates in <a href="/wiki/Ubiquinone" class="mw-redirect" title="Ubiquinone">ubiquinone</a> biosynthesis. </p><p>The enzyme <a href="/wiki/4-hydroxybenzoate_geranyltransferase" class="mw-redirect" title="4-hydroxybenzoate geranyltransferase">4-hydroxybenzoate geranyltransferase</a> utilizes <a href="/wiki/Geranyl_pyrophosphate" title="Geranyl pyrophosphate">geranyl diphosphate</a> and 4-hydroxybenzoate to produce <a href="/w/index.php?title=3-geranyl-4-hydroxybenzoate&action=edit&redlink=1" class="new" title="3-geranyl-4-hydroxybenzoate (page does not exist)">3-geranyl-4-hydroxybenzoate</a> and diphosphate. Biosynthetically, <a href="/wiki/Alkannin" title="Alkannin">alkannin</a> is produced in plants from the intermediates 4-hydroxybenzoic acid and <a href="/wiki/Geranyl_pyrophosphate" title="Geranyl pyrophosphate">geranyl pyrophosphate</a>. This enzyme is involved in <a href="/wiki/Alkannin" title="Alkannin">shikonin</a> biosynthesis. It can be found in <i><a href="/wiki/Lithospermum_erythrorhizon" title="Lithospermum erythrorhizon">Lithospermum erythrorhizon</a></i>. </p><p>The enzyme <a href="/wiki/3-hydroxybenzoate%E2%80%94CoA_ligase" title="3-hydroxybenzoate—CoA ligase">3-hydroxybenzoate—CoA ligase</a> uses ATP, <a href="/wiki/3-hydroxybenzoate" class="mw-redirect" title="3-hydroxybenzoate">3-hydroxybenzoate</a> and CoA to produce AMP, diphosphate and <a href="/w/index.php?title=3-hydroxybenzoyl-CoA&action=edit&redlink=1" class="new" title="3-hydroxybenzoyl-CoA (page does not exist)">3-hydroxybenzoyl-CoA</a>. The enzyme works equally well with 4-hydroxybenzoate. It can be found in <i><a href="/wiki/Thauera_aromatica" title="Thauera aromatica">Thauera aromatica</a></i>. </p> <div class="mw-heading mw-heading3"><h3 id="Biodegradation">Biodegradation</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=4-Hydroxybenzoic_acid&action=edit&section=7" title="Edit section: Biodegradation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The enzyme <a href="/wiki/4-hydroxybenzoate_1-hydroxylase" title="4-hydroxybenzoate 1-hydroxylase">4-hydroxybenzoate 1-hydroxylase</a> transforms 4-hydroxybenzoate, NAD(P)H, 2 H<sup>+</sup> and O<sub>2</sub> into <a href="/wiki/Hydroquinone" title="Hydroquinone">hydroquinone</a>, NAD(P)<sup>+</sup>, H<sub>2</sub>O and CO<sub>2</sub>. This enzyme participates in <a href="/w/index.php?title=2,4-dichlorobenzoate&action=edit&redlink=1" class="new" title="2,4-dichlorobenzoate (page does not exist)">2,4-dichlorobenzoate</a> degradation. It can be found in <i><a href="/wiki/Candida_parapsilosis" title="Candida parapsilosis">Candida parapsilosis</a></i>. </p><p>The enzyme <a href="/wiki/4-hydroxybenzoate_3-monooxygenase" title="4-hydroxybenzoate 3-monooxygenase">4-hydroxybenzoate 3-monooxygenase</a> transforms 4-hydroxybenzoate, NADPH, H<sup>+</sup> and O<sub>2</sub> into <a href="/wiki/Protocatechuate" class="mw-redirect" title="Protocatechuate">protocatechuate</a>, NADP<sup>+</sup> and H<sub>2</sub>O. This enzyme participates in <a href="/wiki/Benzoic_acid" title="Benzoic acid">benzoate</a> degradation via hydroxylation and <a href="/w/index.php?title=2,4-dichlorobenzoate&action=edit&redlink=1" class="new" title="2,4-dichlorobenzoate (page does not exist)">2,4-dichlorobenzoate</a> degradation. It can be found in <i><a href="/wiki/Pseudomonas_putida" title="Pseudomonas putida">Pseudomonas putida</a></i> and <i><a href="/wiki/Pseudomonas_fluorescens" title="Pseudomonas fluorescens">Pseudomonas fluorescens</a></i>. </p><p>The enzyme <a href="/wiki/4-hydroxybenzoate_3-monooxygenase_(NAD(P)H)" title="4-hydroxybenzoate 3-monooxygenase (NAD(P)H)">4-hydroxybenzoate 3-monooxygenase (NAD(P)H)</a> utilizes 4-hydroxybenzoate, NADH, NADPH, H<sup>+</sup> and O<sub>2</sub> to produce 3,4-dihydroxybenzoate (<a href="/wiki/Protocatechuic_acid" title="Protocatechuic acid">protocatechuic acid</a>), NAD<sup>+</sup>, NADP<sup>+</sup> and H<sub>2</sub>O. This enzyme participates in <a href="/wiki/Benzoic_acid" title="Benzoic acid">benzoate</a> degradation via hydroxylation and <a href="/w/index.php?title=2,4-dichlorobenzoate&action=edit&redlink=1" class="new" title="2,4-dichlorobenzoate (page does not exist)">2,4-dichlorobenzoate</a> degradation. It can be found in <i><a href="/w/index.php?title=Corynebacterium_cyclohexanicum&action=edit&redlink=1" class="new" title="Corynebacterium cyclohexanicum (page does not exist)">Corynebacterium cyclohexanicum</a></i> and in <i><a href="/wiki/Pseudomonas" title="Pseudomonas">Pseudomonas</a> sp</i>. </p><p>The enzyme <a href="/wiki/4-hydroxybenzoate_decarboxylase" title="4-hydroxybenzoate decarboxylase">4-hydroxybenzoate decarboxylase</a> uses 4-hydroxybenzoate to produce <a href="/wiki/Phenol" title="Phenol">phenol</a> and CO<sub>2</sub>. This enzyme participates in <a href="/wiki/Benzoic_acid" title="Benzoic acid">benzoate</a> degradation via <a href="/wiki/Coenzyme_A" title="Coenzyme A">coenzyme A</a> (CoA) ligation. It can be found in <i><a href="/wiki/Klebsiella_aerogenes" title="Klebsiella aerogenes">Klebsiella aerogenes</a></i> (<i>Aerobacter aerogenes</i>). </p><p>The enzyme <a href="/wiki/4-hydroxybenzoate%E2%80%94CoA_ligase" title="4-hydroxybenzoate—CoA ligase">4-hydroxybenzoate—CoA ligase</a> transforms ATP, 4-hydroxybenzoate and CoA to produce AMP, diphosphate and <a href="/wiki/4-hydroxybenzoyl-CoA" class="mw-redirect" title="4-hydroxybenzoyl-CoA">4-hydroxybenzoyl-CoA</a>. This enzyme participates in <a href="/wiki/Benzoic_acid" title="Benzoic acid">benzoate</a> degradation via CoA ligation. It can be found in <i><a href="/wiki/Rhodopseudomonas_palustris" title="Rhodopseudomonas palustris">Rhodopseudomonas palustris</a></i>. </p><p><i><a href="/wiki/Coniochaeta_hoffmannii" title="Coniochaeta hoffmannii">Coniochaeta hoffmannii</a></i> is a plant pathogen that commonly inhabits fertile soil. It is known to metabolize aromatic compounds of low molecular weight, such as <i>p</i>-hydroxybenzoic acid. </p> <div class="mw-heading mw-heading3"><h3 id="Glycosylation">Glycosylation</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=4-Hydroxybenzoic_acid&action=edit&section=8" title="Edit section: Glycosylation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The enzyme <a href="/wiki/4-hydroxybenzoate_4-O-beta-D-glucosyltransferase" title="4-hydroxybenzoate 4-O-beta-D-glucosyltransferase">4-hydroxybenzoate 4-<i>O</i>-beta-<span class="smallcaps"><span style="font-variant: small-caps; text-transform: lowercase;">D</span></span>-glucosyltransferase</a> transforms <a href="/wiki/UDP-glucose" class="mw-redirect" title="UDP-glucose">UDP-glucose</a> and 4-hydroxybenzoate into UDP and <a href="/wiki/4-Hydroxybenzoic_acid_4-O-glucoside" title="4-Hydroxybenzoic acid 4-O-glucoside">4-(beta-<span class="smallcaps"><span style="font-variant: small-caps; text-transform: lowercase;">D</span></span>-glucosyloxy)benzoate</a>. It can be found in the pollen of <i><a href="/wiki/Pinus_densiflora" title="Pinus densiflora">Pinus densiflora</a></i>. </p> <div class="mw-heading mw-heading2"><h2 id="Chemistry">Chemistry</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=4-Hydroxybenzoic_acid&action=edit&section=9" title="Edit section: Chemistry"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <a href="/wiki/Hammett_equation" title="Hammett equation">Hammett equation</a> describes a linear free-energy relationship relating reaction rates and equilibrium constants for many reactions involving benzoic acid derivatives with meta- and para-substituents. </p> <div class="mw-heading mw-heading3"><h3 id="Chemical_production">Chemical production</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=4-Hydroxybenzoic_acid&action=edit&section=10" title="Edit section: Chemical production"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>4-Hydroxybenzoic acid is produced commercially from potassium <a href="/wiki/Phenol" title="Phenol">phenoxide</a> and <a href="/wiki/Carbon_dioxide" title="Carbon dioxide">carbon dioxide</a> in the <a href="/wiki/Kolbe-Schmitt_reaction" class="mw-redirect" title="Kolbe-Schmitt reaction">Kolbe-Schmitt reaction</a>.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> It can also be produced in the laboratory by heating <a href="/wiki/Potassium_salicylate" title="Potassium salicylate">potassium salicylate</a> with <a href="/wiki/Potassium_carbonate" title="Potassium carbonate">potassium carbonate</a> to 240 °C, followed by treating with acid.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Chemical_reactions">Chemical reactions</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=4-Hydroxybenzoic_acid&action=edit&section=11" title="Edit section: Chemical reactions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>4-Hydroxybenzoic acid has about one tenth the acidity of <a href="/wiki/Benzoic_acid" title="Benzoic acid">benzoic acid</a>, having an <a href="/wiki/Acid_dissociation_constant" title="Acid dissociation constant">acid dissociation constant</a> <i>K<sub>a</sub></i> = <span class="nowrap"><span data-sort-value="6995330000000000000♠"></span>3.3<span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>−5</sup> M</span> at 19 °C.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (August 2012)">citation needed</span></a></i>]</sup> Its acid dissociation follows this equation: </p> <dl><dd><style data-mw-deduplicate="TemplateStyles:r1123817410">.mw-parser-output .template-chem2-su{display:inline-block;font-size:80%;line-height:1;vertical-align:-0.35em}.mw-parser-output .template-chem2-su>span{display:block;text-align:left}.mw-parser-output sub.template-chem2-sub{font-size:80%;vertical-align:-0.35em}.mw-parser-output sup.template-chem2-sup{font-size:80%;vertical-align:0.65em}</style><span class="chemf nowrap">HOC<sub class="template-chem2-sub">6</sub>H<sub class="template-chem2-sub">4</sub>CO<sub class="template-chem2-sub">2</sub>H</span> ⇌ <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">HOC<sub class="template-chem2-sub">6</sub>H<sub class="template-chem2-sub">4</sub>CO<span class="template-chem2-su"><span>−</span><span>2</span></span></span> + <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">H<sup class="template-chem2-sup">+</sup></span></dd></dl> <div class="mw-heading mw-heading3"><h3 id="Chemical_use">Chemical use</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=4-Hydroxybenzoic_acid&action=edit&section=12" title="Edit section: Chemical use"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Vectran" title="Vectran">Vectran</a> is a manufactured fiber, spun from a <a href="/wiki/Liquid_crystal_polymer" class="mw-redirect" title="Liquid crystal polymer">liquid crystal polymer</a>. Chemically it is an aromatic polyester produced by the polycondensation of 4-hydroxybenzoic acid and <a href="/w/index.php?title=6-hydroxynaphthalene-2-carboxylic_acid&action=edit&redlink=1" class="new" title="6-hydroxynaphthalene-2-carboxylic acid (page does not exist)">6-hydroxynaphthalene-2-carboxylic acid</a>. The fiber has been shown to exhibit strong radiation shielding used by <a href="/wiki/Bigelow_Aerospace" title="Bigelow Aerospace">Bigelow Aerospace</a> and produced by <a href="/wiki/StemRad" title="StemRad">StemRad</a>.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </p><p><a href="/wiki/4,4%27-Dihydroxybenzophenone" title="4,4'-Dihydroxybenzophenone">4,4′-Dihydroxybenzophenone</a> is generally prepared by the rearrangement of <i>p</i>-hydroxyphenylbenzoate. Alternatively, <i>p</i>-hydroxybenzoic acid can be converted to <a href="/w/index.php?title=P-Acetoxybenzoyl_chloride&action=edit&redlink=1" class="new" title="P-Acetoxybenzoyl chloride (page does not exist)"><i>p</i>-acetoxybenzoyl chloride</a>. This acid chloride reacts with phenol to give, after deacetylation, 4,4′-dihydroxybenzophenone. </p><p>Examples of drugs made from PHBA include <a href="/wiki/Nifuroxazide" title="Nifuroxazide">nifuroxazide</a>, <a href="/wiki/Orthocaine" title="Orthocaine">orthocaine</a>, <a href="/wiki/Ormeloxifene" title="Ormeloxifene">ormeloxifene</a> and <a href="/wiki/Proxymetacaine" title="Proxymetacaine">proxymetacaine</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Bioactivity_and_safety">Bioactivity and safety</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=4-Hydroxybenzoic_acid&action=edit&section=13" title="Edit section: Bioactivity and safety"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>4-Hydroxybenzoic acid is a popular antioxidant in part because of its low toxicity. The <a href="/wiki/Median_lethal_dose" title="Median lethal dose">LD<sub style="font-size:-1">50</sub></a> is 2200 mg/kg in mice (oral).<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p><p>4-Hydroxybenzoic acid has <a href="/wiki/Estrogen" title="Estrogen">estrogenic</a> activity both <i>in vitro</i> and <i>in vivo</i>,<sup id="cite_ref-Khetan2014_15-0" class="reference"><a href="#cite_note-Khetan2014-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> and stimulates the growth of human <a href="/wiki/Breast_cancer" title="Breast cancer">breast cancer</a> cell lines.<sup id="cite_ref-pmid16021681_16-0" class="reference"><a href="#cite_note-pmid16021681-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Gabriel2013_17-0" class="reference"><a href="#cite_note-Gabriel2013-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> It is a common metabolite of <a href="/wiki/Paraben" title="Paraben">paraben</a> <a href="/wiki/Ester" title="Ester">esters</a>, such as <a href="/wiki/Methylparaben" title="Methylparaben">methylparaben</a>.<sup id="cite_ref-Khetan2014_15-1" class="reference"><a href="#cite_note-Khetan2014-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-pmid16021681_16-1" class="reference"><a href="#cite_note-pmid16021681-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Gabriel2013_17-1" class="reference"><a href="#cite_note-Gabriel2013-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> The compound is a relatively weak estrogen, but can produce <a href="/wiki/Uterotrophy" class="mw-redirect" title="Uterotrophy">uterotrophy</a> with sufficient doses to an equivalent extent relative to <a href="/wiki/Estradiol" title="Estradiol">estradiol</a>, which is unusual for a weakly estrogenic compound and indicates that it may be a <a href="/wiki/Full_agonist" class="mw-redirect" title="Full agonist">full agonist</a> of the <a href="/wiki/Estrogen_receptor" title="Estrogen receptor">estrogen receptor</a> with relatively low <a href="/wiki/Affinity_(pharmacology)" class="mw-redirect" title="Affinity (pharmacology)">binding affinity</a> for the receptor.<sup id="cite_ref-pmid16021681_16-2" class="reference"><a href="#cite_note-pmid16021681-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-pmid9417843_18-0" class="reference"><a href="#cite_note-pmid9417843-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-OECD2004_19-0" class="reference"><a href="#cite_note-OECD2004-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> It is about 0.2% to 1% as potent as an estrogen as estradiol.<sup id="cite_ref-pmid9417843_18-1" class="reference"><a href="#cite_note-pmid9417843-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=4-Hydroxybenzoic_acid&action=edit&section=14" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Phenolic_content_in_tea" title="Phenolic content in tea">Phenolic content in tea</a></li> <li><a href="/wiki/Phenolic_content_in_wine" title="Phenolic content in wine">Phenolic content in wine</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=4-Hydroxybenzoic_acid&action=edit&section=15" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output 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style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Glycosides</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/4-Hydroxybenzoic_acid_4-O-glucoside" title="4-Hydroxybenzoic acid 4-O-glucoside"><i>p</i>-Hydroxybenzoic acid glucoside</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Alkylated</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Methylparaben" title="Methylparaben">Methylparaben</a> (Methyl-<i>p</i>-hydroxybenzoic acid)</li></ul> </div></td></tr></tbody></table><div> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Dihydroxybenzoic_acid" title="Dihydroxybenzoic acid">Dihydroxybenzoic acids</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/2,3-Dihydroxybenzoic_acid" title="2,3-Dihydroxybenzoic acid">2,3-Dihydroxybenzoic acid</a> (Hypogallic acid)</li> <li><a href="/wiki/2,4-Dihydroxybenzoic_acid" title="2,4-Dihydroxybenzoic acid">2,4-Dihydroxybenzoic acid</a></li> <li>2,5-Dihydroxybenzoic acid (<a href="/wiki/Gentisic_acid" title="Gentisic acid">Gentisic acid</a>)</li> <li><a href="/wiki/2,6-Dihydroxybenzoic_acid" title="2,6-Dihydroxybenzoic acid">2,6-Dihydroxybenzoic acid</a></li> <li>3,4-Dihydroxybenzoic acid (<a href="/wiki/Protocatechuic_acid" title="Protocatechuic acid">Protocatechuic acid</a>)</li> <li><a href="/wiki/3,5-Dihydroxybenzoic_acid" title="3,5-Dihydroxybenzoic acid">3,5-Dihydroxybenzoic acid</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Alkylated" scope="row" class="navbox-group" style="width:1%">Alkylated</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ethyl_protocatechuate" title="Ethyl protocatechuate">Ethyl protocatechuate</a></li> <li><a href="/wiki/Orsellinic_acid" title="Orsellinic acid">Orsellinic acid</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Trihydroxybenzoic_acid" title="Trihydroxybenzoic acid">Trihydroxybenzoic acids</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Gallic_acid" title="Gallic acid">Gallic acid</a></li> <li><a href="/wiki/Phloroglucinol_carboxylic_acid" title="Phloroglucinol carboxylic acid">Phloroglucinol carboxylic acid</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Glycosides</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bergenin" title="Bergenin">Bergenin</a></li> <li><a href="/wiki/Norbergenin" title="Norbergenin">Norbergenin</a></li> <li><a href="/wiki/Theogallin" title="Theogallin">Theogallin</a></li> <li><a href="/wiki/Chebulic_acid" title="Chebulic acid">Chebulic acid</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Alkylated</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ethyl_gallate" title="Ethyl gallate">Ethyl gallate</a></li> <li><a href="/wiki/Eudesmic_acid" title="Eudesmic acid">Eudesmic acid</a></li> <li><a href="/wiki/Methyl_gallate" title="Methyl gallate">Methyl gallate</a></li> <li><a href="/wiki/Syringic_acid" title="Syringic acid">Syringic acid</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Xenoestrogens" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Xenoestrogens" title="Template:Xenoestrogens"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Xenoestrogens" title="Template talk:Xenoestrogens"><abbr title="Discuss 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class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/8-Prenylnaringenin" title="8-Prenylnaringenin">8-Prenylnaringenin</a></li> <li><a href="/w/index.php?title=6-Prenylnaringenin&action=edit&redlink=1" class="new" title="6-Prenylnaringenin (page does not exist)">6-Prenylnaringenin</a></li> <li><a href="/w/index.php?title=8-Geranylnaringenin&action=edit&redlink=1" class="new" title="8-Geranylnaringenin (page does not exist)">8-Geranylnaringenin</a></li> <li><a href="/w/index.php?title=6,8-Diprenylnaringenin&action=edit&redlink=1" class="new" title="6,8-Diprenylnaringenin (page does not exist)">6,8-Diprenylnaringenin</a></li> <li><a href="/w/index.php?title=Icaritin&action=edit&redlink=1" class="new" title="Icaritin (page does not exist)">Icaritin</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Isoflavones" class="mw-redirect" title="Isoflavones">Isoflavones</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Biochanin_A" title="Biochanin A">Biochanin A</a></li> <li><a href="/wiki/Daidzein" title="Daidzein">Daidzein</a></li> <li><a href="/wiki/Daidzin" title="Daidzin">Daidzin</a></li> <li><a href="/wiki/Formononetin" title="Formononetin">Formononetin</a></li> <li><a href="/wiki/Genistein" title="Genistein">Genistein</a></li> <li><a href="/wiki/Genistin" title="Genistin">Genistin</a></li> <li><a href="/wiki/Glycitein" title="Glycitein">Glycitein</a></li> <li><a href="/wiki/Ononin" title="Ononin">Ononin</a></li> <li><a href="/wiki/Prunetin" title="Prunetin">Prunetin</a></li> <li><a href="/wiki/Puerarin" title="Puerarin">Puerarin</a></li> <li><a href="/wiki/Tectorigenin" title="Tectorigenin">Tectorigenin</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Isoflavanes" class="mw-redirect" title="Isoflavanes">Isoflavanes</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Equol" title="Equol">Equol</a> (<a href="/wiki/S-Equol" class="mw-redirect" title="S-Equol"><i>S</i>-Equol</a>)</li> <li><a href="/wiki/Glabridin" title="Glabridin">Glabridin</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Dihydrochalcone" title="Dihydrochalcone">Dihydrochalcones</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Phloretin" title="Phloretin">Phloretin</a></li> <li><a href="/wiki/Phlorizin" title="Phlorizin">Phlorizin</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Isoflavenes" class="mw-redirect" title="Isoflavenes">Isoflavenes</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><a href="/wiki/Glabrene" title="Glabrene">Glabrene</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Coumestans" class="mw-redirect" title="Coumestans">Coumestans</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Coumestan" title="Coumestan">Coumestan</a></li> <li><a href="/wiki/Coumestrol" title="Coumestrol">Coumestrol</a></li> <li><a href="/w/index.php?title=Desmethylwedelolactone&action=edit&redlink=1" class="new" title="Desmethylwedelolactone (page does not exist)">Desmethylwedelolactone</a></li> <li><a href="/wiki/Wedelolactone" title="Wedelolactone">Wedelolactone</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Lignans" class="mw-redirect" title="Lignans">Lignans</a></th><td 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0.25em"> <ul><li><a href="/wiki/Quercetin" title="Quercetin">Quercetin</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Others</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Deoxymiroestrol" class="mw-redirect" title="Deoxymiroestrol">Deoxymiroestrol</a></li> <li><a href="/wiki/Miroestrol" title="Miroestrol">Miroestrol</a></li> <li><a href="/wiki/Resveratrol" title="Resveratrol">Resveratrol</a></li> <li><a href="/w/index.php?title=%CE%91-Isosparteine&action=edit&redlink=1" class="new" title="Α-Isosparteine (page does not exist)">α-Isosparteine</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Mycoestrogen" title="Mycoestrogen">Mycoestrogens</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Zearalanone" title="Zearalanone">Zearalanone</a></li> <li><a href="/wiki/Zearalenone" title="Zearalenone">Zearalenone</a></li> <li><a href="/wiki/Zeranol" title="Zeranol">α-Zearalanol (zeranol)</a></li> <li><a href="/wiki/Alpha-zearalenol" class="mw-redirect" title="Alpha-zearalenol">α-Zearalenol</a></li> <li><a href="/wiki/%CE%92-Zearalanol" class="mw-redirect" title="Β-Zearalanol">β-Zearalanol</a></li> <li><a href="/wiki/%CE%92-Zearalenol" title="Β-Zearalenol">β-Zearalenol</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Derivatives" scope="row" class="navbox-group" style="width:1%">Derivatives</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Penicillamine" title="Penicillamine"><small>D</small>-Penicillamine</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Synthetic</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alkylphenol" title="Alkylphenol">Alkylphenols</a></li> <li><a href="/wiki/Atrazine" title="Atrazine">Atrazine</a></li> <li><a href="/wiki/Butylated_hydroxyanisole" title="Butylated hydroxyanisole">BHA</a></li> <li><a href="/wiki/Bisphenol_A" title="Bisphenol A">Bisphenol A</a></li> <li><a href="/wiki/Bisphenol_F" title="Bisphenol F">Bisphenol F</a></li> <li><a href="/wiki/Bisphenol_S" title="Bisphenol S">Bisphenol S</a></li> <li><a href="/wiki/Dichlorodiphenyldichloroethylene" title="Dichlorodiphenyldichloroethylene">DDE</a></li> <li><a href="/wiki/Dichlorodiphenyltrichloroethane" class="mw-redirect" title="Dichlorodiphenyltrichloroethane">DDT</a></li> <li><a href="/wiki/Dieldrin" title="Dieldrin">Dieldrin</a></li> <li><a href="/wiki/Dioxins_and_dioxin-like_compounds" title="Dioxins and dioxin-like compounds">Dioxins</a></li> <li><a href="/wiki/Endosulfan" title="Endosulfan">Endosulfan</a></li> <li><a href="/wiki/Enzacamene" title="Enzacamene">Enzacamene</a></li> <li><a href="/wiki/Erythrosine" title="Erythrosine">Erythrosine</a></li> <li><a href="/wiki/Heptachlor" title="Heptachlor">Heptachlor</a></li> <li><a href="/wiki/Lindane" title="Lindane">Lindane</a></li> <li><a href="/wiki/Methoxychlor" title="Methoxychlor">Methoxychlor</a></li> <li><a href="/wiki/Nonylphenol" title="Nonylphenol">Nonylphenol</a></li> <li><a href="/wiki/Paraben" title="Paraben">Parabens</a></li> <li><a href="/wiki/Polybrominated_biphenyl" title="Polybrominated biphenyl">PBBs</a></li> <li><a href="/wiki/Polychlorinated_biphenyl" title="Polychlorinated biphenyl">PCBs</a></li> <li><a href="/wiki/Pentachlorophenol" title="Pentachlorophenol">Pentachlorophenol</a></li> <li><a class="mw-selflink selflink">PHBA</a></li> <li><a href="/wiki/Phthalates" title="Phthalates">Phthalates</a></li> <li><a href="/wiki/Propyl_gallate" title="Propyl gallate">Propyl gallate</a></li> <li><a href="/wiki/Perfluorinated_compound" title="Perfluorinated compound">Perfluorinated compound</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Metalloestrogen" title="Metalloestrogen">Metalloestrogens</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>Aluminium</li> <li>Antimony</li> <li>Arsenite</li> <li>Barium</li> <li>Cadmium</li> <li><a href="/wiki/Chromium" title="Chromium">Chromium</a></li> <li><a href="/wiki/Cobalt" title="Cobalt">Cobalt</a></li> <li><a href="/wiki/Copper" title="Copper">Copper</a></li> <li>Lead</li> <li>Mercury</li> <li>Nickel</li> <li>Selenite</li> <li>Tin</li> <li>Vanadate</li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Estrogen_receptor_modulators" style="padding:3px"><table class="nowraplinks hlist mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Estrogen_receptor_modulators" title="Template:Estrogen receptor modulators"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Estrogen_receptor_modulators" title="Template talk:Estrogen receptor modulators"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Estrogen_receptor_modulators" title="Special:EditPage/Template:Estrogen receptor modulators"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Estrogen_receptor_modulators" style="font-size:114%;margin:0 4em"><a href="/wiki/Estrogen_receptor" title="Estrogen receptor">Estrogen receptor</a> <a href="/wiki/Receptor_modulator" title="Receptor modulator">modulators</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;"><a href="/wiki/Estrogen_receptor" title="Estrogen receptor"><abbr title="Estrogen receptor">ER</abbr></a><span class="sr-only" style="border: 0; clip: rect(0, 0, 0, 0); clip-path: polygon(0px 0px, 0px 0px, 0px 0px); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; white-space: nowrap;">Tooltip Estrogen receptor</span></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:6em;;text-align:center">Agonists</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><i>Steroidal:</i> <a href="/wiki/2-Hydroxyestradiol" title="2-Hydroxyestradiol">2-Hydroxyestradiol</a></li> <li><a href="/wiki/2-Hydroxyestrone" title="2-Hydroxyestrone">2-Hydroxyestrone</a></li> <li><a href="/wiki/3-Methyl-19-methyleneandrosta-3,5-dien-17%CE%B2-ol" title="3-Methyl-19-methyleneandrosta-3,5-dien-17β-ol">3-Methyl-19-methyleneandrosta-3,5-dien-17β-ol</a></li> <li><a href="/wiki/3%CE%B1-Androstanediol" title="3α-Androstanediol">3α-Androstanediol</a></li> <li><a href="/w/index.php?title=3%CE%B1,5%CE%B1-Dihydrolevonorgestrel&action=edit&redlink=1" class="new" title="3α,5α-Dihydrolevonorgestrel (page does not exist)">3α,5α-Dihydrolevonorgestrel</a></li> <li><a href="/w/index.php?title=3%CE%B2,5%CE%B1-Dihydrolevonorgestrel&action=edit&redlink=1" class="new" title="3β,5α-Dihydrolevonorgestrel (page does not exist)">3β,5α-Dihydrolevonorgestrel</a></li> <li><a href="/wiki/3%CE%B1-Hydroxytibolone" title="3α-Hydroxytibolone">3α-Hydroxytibolone</a></li> <li><a href="/wiki/3%CE%B2-Hydroxytibolone" title="3β-Hydroxytibolone">3β-Hydroxytibolone</a></li> <li><a href="/wiki/3%CE%B2-Androstanediol" title="3β-Androstanediol">3β-Androstanediol</a></li> <li><a href="/wiki/4-Androstenediol" title="4-Androstenediol">4-Androstenediol</a></li> <li><a href="/wiki/4-Androstenedione" class="mw-redirect" title="4-Androstenedione">4-Androstenedione</a></li> <li><a href="/wiki/4-Fluoroestradiol" title="4-Fluoroestradiol">4-Fluoroestradiol</a></li> <li><a href="/wiki/4-Hydroxyestradiol" title="4-Hydroxyestradiol">4-Hydroxyestradiol</a></li> <li><a href="/wiki/4-Hydroxyestrone" title="4-Hydroxyestrone">4-Hydroxyestrone</a></li> <li><a href="/wiki/4-Methoxyestradiol" title="4-Methoxyestradiol">4-Methoxyestradiol</a></li> <li><a href="/wiki/4-Methoxyestrone" title="4-Methoxyestrone">4-Methoxyestrone</a></li> <li><a href="/wiki/5-Androstenediol" class="mw-redirect" title="5-Androstenediol">5-Androstenediol</a></li> <li><a href="/wiki/7-Keto-DHEA" title="7-Keto-DHEA">7-Oxo-DHEA</a></li> <li><a href="/wiki/7%CE%B1-Hydroxy-DHEA" title="7α-Hydroxy-DHEA">7α-Hydroxy-DHEA</a></li> <li><a href="/wiki/7%CE%B1-Methylestradiol" title="7α-Methylestradiol">7α-Methylestradiol</a></li> <li><a href="/wiki/7%CE%B2-Hydroxyepiandrosterone" title="7β-Hydroxyepiandrosterone">7β-Hydroxyepiandrosterone</a></li> <li><a href="/wiki/8,9-Dehydroestradiol" title="8,9-Dehydroestradiol">8,9-Dehydroestradiol</a></li> <li><a href="/wiki/8,9-Dehydroestrone" title="8,9-Dehydroestrone">8,9-Dehydroestrone</a></li> <li><a href="/wiki/8%CE%B2-VE2" title="8β-VE2">8β-VE2</a></li> <li><a href="/wiki/10%CE%B2,17%CE%B2-Dihydroxyestra-1,4-dien-3-one" title="10β,17β-Dihydroxyestra-1,4-dien-3-one">10β,17β-Dihydroxyestra-1,4-dien-3-one (DHED)</a></li> <li><a href="/wiki/11%CE%B2-Chloromethylestradiol" title="11β-Chloromethylestradiol">11β-Chloromethylestradiol</a></li> <li><a href="/wiki/11%CE%B2-Methoxyestradiol" title="11β-Methoxyestradiol">11β-Methoxyestradiol</a></li> <li><a href="/wiki/15%CE%B1-Hydroxyestradiol" title="15α-Hydroxyestradiol">15α-Hydroxyestradiol</a></li> <li><a href="/wiki/16-Ketoestradiol" title="16-Ketoestradiol">16-Ketoestradiol</a></li> <li><a href="/wiki/16-Ketoestrone" title="16-Ketoestrone">16-Ketoestrone</a></li> <li><a href="/wiki/16%CE%B1-Fluoroestradiol" class="mw-redirect" title="16α-Fluoroestradiol">16α-Fluoroestradiol</a></li> <li><a href="/wiki/16%CE%B1-Hydroxy-DHEA" title="16α-Hydroxy-DHEA">16α-Hydroxy-DHEA</a></li> <li><a href="/wiki/16%CE%B1-Hydroxyestrone" title="16α-Hydroxyestrone">16α-Hydroxyestrone</a></li> <li><a href="/wiki/16%CE%B1-Iodoestradiol" class="mw-redirect" title="16α-Iodoestradiol">16α-Iodoestradiol</a></li> <li><a href="/wiki/16%CE%B1-LE2" title="16α-LE2">16α-LE2</a></li> <li><a href="/wiki/16%CE%B2-Hydroxyestrone" title="16β-Hydroxyestrone">16β-Hydroxyestrone</a></li> <li><a href="/wiki/16%CE%B2,17%CE%B1-Epiestriol" title="16β,17α-Epiestriol">16β,17α-Epiestriol (16β-hydroxy-17α-estradiol)</a></li> <li><a href="/wiki/17%CE%B1-Estradiol" title="17α-Estradiol">17α-Estradiol</a> (<a href="/wiki/Alfatradiol" title="Alfatradiol">alfatradiol</a>)</li> <li><a href="/wiki/17%CE%B1-Dihydroequilenin" title="17α-Dihydroequilenin">17α-Dihydroequilenin</a></li> <li><a href="/wiki/17%CE%B1-Dihydroequilin" title="17α-Dihydroequilin">17α-Dihydroequilin</a></li> <li><a href="/wiki/17%CE%B1-Epiestriol" title="17α-Epiestriol">17α-Epiestriol (16α-hydroxy-17α-estradiol)</a></li> <li><a href="/wiki/17%CE%B1-Ethynyl-3%CE%B1-androstanediol" title="17α-Ethynyl-3α-androstanediol">17α-Ethynyl-3α-androstanediol</a></li> <li><a href="/wiki/17%CE%B1-Ethynyl-3%CE%B2-androstanediol" title="17α-Ethynyl-3β-androstanediol">17α-Ethynyl-3β-androstanediol</a></li> <li><a href="/wiki/17%CE%B2-Dihydroequilenin" title="17β-Dihydroequilenin">17β-Dihydroequilenin</a></li> <li><a href="/wiki/17%CE%B2-Dihydroequilin" title="17β-Dihydroequilin">17β-Dihydroequilin</a></li> <li><a href="/wiki/17%CE%B2-Methyl-17%CE%B1-dihydroequilenin" title="17β-Methyl-17α-dihydroequilenin">17β-Methyl-17α-dihydroequilenin</a></li> <li><a href="/wiki/Abiraterone" class="mw-redirect" title="Abiraterone">Abiraterone</a></li> <li><a href="/wiki/Abiraterone_acetate" title="Abiraterone acetate">Abiraterone acetate</a></li> <li><a href="/wiki/Alestramustine" title="Alestramustine">Alestramustine</a></li> <li><a href="/wiki/Almestrone" title="Almestrone">Almestrone</a></li> <li><a href="/wiki/Anabolic_steroid" title="Anabolic steroid">Anabolic steroids</a> (e.g., <a href="/wiki/Testosterone" title="Testosterone">testosterone</a> and <a href="/wiki/List_of_androgen_esters#Testosterone_esters" title="List of androgen esters">esters</a>, <a href="/wiki/Methyltestosterone" title="Methyltestosterone">methyltestosterone</a>, <a href="/wiki/Metandienone" title="Metandienone">metandienone (methandrostenolone)</a>, <a href="/wiki/Nandrolone" title="Nandrolone">nandrolone</a> and <a href="/wiki/List_of_androgen_esters#Nandrolone_esters" title="List of androgen esters">esters</a>, many others; via estrogenic metabolites)</li> <li><a href="/wiki/Atrimustine" title="Atrimustine">Atrimustine</a></li> <li><a href="/wiki/Bolandiol" title="Bolandiol">Bolandiol</a></li> <li><a href="/wiki/Bolandiol_dipropionate" title="Bolandiol dipropionate">Bolandiol dipropionate</a></li> <li><a href="/wiki/Butolame" title="Butolame">Butolame</a></li> <li><a href="/wiki/Clomestrone" title="Clomestrone">Clomestrone</a></li> <li><a href="/wiki/Cloxestradiol" title="Cloxestradiol">Cloxestradiol</a> <ul><li><a href="/wiki/Cloxestradiol_acetate" title="Cloxestradiol acetate">Cloxestradiol acetate</a></li></ul></li> <li><a href="/wiki/Conjugated_estriol" title="Conjugated estriol">Conjugated estriol</a></li> <li><a href="/wiki/Conjugated_estrogens" title="Conjugated estrogens">Conjugated estrogens</a></li> <li><a href="/wiki/Cyclodiol" title="Cyclodiol">Cyclodiol</a></li> <li><a href="/wiki/Cyclotriol" title="Cyclotriol">Cyclotriol</a></li> <li><a href="/wiki/Dehydroepiandrosterone" title="Dehydroepiandrosterone">DHEA</a></li> <li><a href="/wiki/Dehydroepiandrosterone" title="Dehydroepiandrosterone">DHEA-S</a></li> <li><a href="/wiki/Ent-Estradiol" title="Ent-Estradiol"><i>ent</i>-Estradiol</a></li> <li><a href="/wiki/Epiestriol" title="Epiestriol">Epiestriol (16β-epiestriol, 16β-hydroxy-17β-estradiol)</a></li> <li><a href="/wiki/Epimestrol" title="Epimestrol">Epimestrol</a></li> <li><a href="/wiki/Equilenin" title="Equilenin">Equilenin</a></li> <li><a href="/wiki/Equilin" title="Equilin">Equilin</a></li> <li><a href="/wiki/ERA-63" title="ERA-63">ERA-63 (ORG-37663)</a></li> <li><a href="/wiki/Esterified_estrogens" title="Esterified estrogens">Esterified estrogens</a></li> <li><a href="/wiki/Estetrol" title="Estetrol">Estetrol</a></li> <li><a href="/wiki/Estradiol" title="Estradiol">Estradiol</a> <ul><li><a href="/wiki/List_of_estrogen_esters#Estradiol_esters" title="List of estrogen esters">Estradiol esters</a></li> <li><a href="/wiki/Lipoidal_estradiol" title="Lipoidal estradiol">Lipoidal estradiol</a></li> <li><a href="/wiki/Polyestradiol_phosphate" title="Polyestradiol phosphate">Polyestradiol phosphate</a></li></ul></li> <li><a href="/wiki/Estramustine" title="Estramustine">Estramustine</a></li> <li><a href="/wiki/Estramustine_phosphate" title="Estramustine phosphate">Estramustine phosphate</a></li> <li><a href="/wiki/Estrapronicate" title="Estrapronicate">Estrapronicate</a></li> <li><a href="/wiki/Estrazinol" title="Estrazinol">Estrazinol</a></li> <li><a href="/wiki/Estriol" title="Estriol">Estriol</a> <ul><li><a href="/wiki/List_of_estrogen_esters#Estriol_esters" title="List of estrogen esters">Estriol esters</a></li> <li><a href="/wiki/Polyestriol_phosphate" title="Polyestriol phosphate">Polyestriol phosphate</a></li></ul></li> <li><a href="/wiki/Estrofurate" title="Estrofurate">Estrofurate</a></li> <li><a href="/wiki/Estrogenic_substances" title="Estrogenic substances">Estrogenic substances</a></li> <li><a href="/wiki/Estromustine" title="Estromustine">Estromustine</a></li> <li><a href="/wiki/Estrone" title="Estrone">Estrone</a> <ul><li><a href="/wiki/List_of_estrogen_esters#Estrone_esters" title="List of estrogen esters">Estrone esters</a></li> <li><a href="/wiki/Estrone_methyl_ether" title="Estrone methyl ether">Estrone methyl ether</a></li> <li><a href="/wiki/Estropipate" title="Estropipate">Estropipate</a></li></ul></li> <li><a href="/wiki/Etamestrol" title="Etamestrol">Etamestrol (eptamestrol)</a></li> <li><a href="/wiki/Ethinylandrostenediol" title="Ethinylandrostenediol">Ethinylandrostenediol</a> <ul><li><a href="/wiki/Ethandrostate" title="Ethandrostate">Ethandrostate</a></li></ul></li> <li><a href="/wiki/Ethinylestradiol" title="Ethinylestradiol">Ethinylestradiol</a> <ul><li><a href="/wiki/Ethinylestradiol_3-benzoate" class="mw-redirect" title="Ethinylestradiol 3-benzoate">Ethinylestradiol 3-benzoate</a></li> <li><a href="/wiki/Ethinylestradiol_sulfonate" title="Ethinylestradiol sulfonate">Ethinylestradiol sulfonate</a></li></ul></li> <li><a href="/wiki/Ethinylestriol" title="Ethinylestriol">Ethinylestriol</a></li> <li><a href="/wiki/Ethylestradiol" title="Ethylestradiol">Ethylestradiol</a></li> <li><a href="/wiki/Etynodiol" title="Etynodiol">Etynodiol</a></li> <li><a href="/wiki/Etynodiol_diacetate" title="Etynodiol diacetate">Etynodiol diacetate</a></li> <li><a href="/wiki/Hexolame" title="Hexolame">Hexolame</a></li> <li><a href="/wiki/Hippulin" title="Hippulin">Hippulin</a></li> <li><a href="/wiki/Hydroxyestrone_diacetate" title="Hydroxyestrone diacetate">Hydroxyestrone diacetate</a></li> <li><a href="/wiki/Lynestrenol" title="Lynestrenol">Lynestrenol</a></li> <li><a href="/wiki/Lynestrenol_phenylpropionate" title="Lynestrenol phenylpropionate">Lynestrenol phenylpropionate</a></li> <li><a href="/wiki/Mestranol" title="Mestranol">Mestranol</a></li> <li><a href="/wiki/Methylestradiol" title="Methylestradiol">Methylestradiol</a></li> <li><a href="/wiki/Moxestrol" title="Moxestrol">Moxestrol</a></li> <li><a href="/wiki/Mytatrienediol" title="Mytatrienediol">Mytatrienediol</a></li> <li><a href="/wiki/Nilestriol" title="Nilestriol">Nilestriol</a></li> <li><a href="/wiki/Norethisterone" title="Norethisterone">Norethisterone</a></li> <li><a href="/wiki/Noretynodrel" title="Noretynodrel">Noretynodrel</a></li> <li><a href="/wiki/Orestrate" title="Orestrate">Orestrate</a></li> <li><a href="/wiki/Pentolame" title="Pentolame">Pentolame</a></li> <li><a href="/wiki/Prodiame" title="Prodiame">Prodiame</a></li> <li><a href="/wiki/Prolame" title="Prolame">Prolame</a></li> <li><a href="/wiki/Promestriene" title="Promestriene">Promestriene</a></li> <li><a href="/wiki/RU-16117" title="RU-16117">RU-16117</a></li> <li><a href="/wiki/Quinestradol" title="Quinestradol">Quinestradol</a></li> <li><a href="/wiki/Quinestrol" title="Quinestrol">Quinestrol</a></li> <li><a href="/wiki/Tibolone" title="Tibolone">Tibolone</a></li></ul> <ul><li><i>Nonsteroidal:</i> <a href="/wiki/(R,R)-Tetrahydrochrysene" title="(R,R)-Tetrahydrochrysene">(R,R)-THC</a></li> <li><a href="/wiki/(S,S)-Tetrahydrochrysene" title="(S,S)-Tetrahydrochrysene">(S,S)-THC</a></li> <li><a href="/wiki/2,8-Dihydroxyhexahydrochrysene" title="2,8-Dihydroxyhexahydrochrysene">2,8-DHHHC</a></li> <li><a href="/w/index.php?title=%CE%92-LGND1&action=edit&redlink=1" class="new" title="Β-LGND1 (page does not exist)">β-LGND1</a></li> <li><a href="/wiki/%CE%92-LGND2" title="Β-LGND2">β-LGND2 (GTx-878)</a></li> <li><a href="/w/index.php?title=AC-186&action=edit&redlink=1" class="new" title="AC-186 (page does not exist)">AC-186</a></li> <li><a href="/wiki/Allenestrol" title="Allenestrol">Allenestrol</a></li> <li><a href="/wiki/Allenolic_acid" title="Allenolic acid">Allenolic acid</a></li> <li><a href="/wiki/Benzestrol" title="Benzestrol">Benzestrol</a></li> <li><a href="/wiki/Bifluranol" title="Bifluranol">Bifluranol</a></li> <li><a href="/wiki/Bisdehydrodoisynolic_acid" title="Bisdehydrodoisynolic acid">Bisdehydrodoisynolic acid</a></li> <li><a href="/wiki/Butestrol" title="Butestrol">Butestrol</a></li> <li><a href="/wiki/Carbestrol" title="Carbestrol">Carbestrol</a></li> <li><a href="/wiki/D-15414" title="D-15414">D-15414</a></li> <li><a href="/wiki/DCW234" title="DCW234">DCW234</a></li> <li><a href="/wiki/Diarylpropionitrile" title="Diarylpropionitrile">Diarylpropionitrile</a></li> <li><a href="/wiki/Dienestrol" title="Dienestrol">Dienestrol</a> <ul><li><a href="/wiki/Dienestrol_diacetate" title="Dienestrol diacetate">Dienestrol diacetate</a></li></ul></li> <li><a href="/wiki/Diethylstilbestrol" title="Diethylstilbestrol">Diethylstilbestrol</a> <ul><li><a href="/wiki/List_of_estrogen_esters#Diethylstilbestrol_esters" title="List of estrogen esters">Diethylstilbestrol esters</a></li></ul></li> <li><a href="/wiki/Dimestrol" title="Dimestrol">Dimestrol (dianisylhexene)</a></li> <li><a href="/wiki/Dimethylstilbestrol" title="Dimethylstilbestrol">Dimethylstilbestrol</a></li> <li><a href="/wiki/Doisynoestrol" title="Doisynoestrol">Doisynoestrol (fenocycline)</a></li> <li><a href="/wiki/Doisynolic_acid" title="Doisynolic acid">Doisynolic acid</a></li> <li><a href="/wiki/Efavirenz" title="Efavirenz">Efavirenz</a></li> <li><a href="/wiki/Elacestrant" title="Elacestrant">Elacestrant</a></li> <li><a href="/wiki/ERB-196" title="ERB-196">ERB-196 (WAY-202196)</a></li> <li><a href="/wiki/Erteberel" title="Erteberel">Erteberel (SERBA-1, LY-500307)</a></li> <li><a href="/wiki/Estrobin" title="Estrobin">Estrobin (DBE)</a></li> <li><a href="/wiki/Fenestrel" title="Fenestrel">Fenestrel</a></li> <li><a href="/wiki/FERb_033" title="FERb 033">FERb 033</a></li> <li><a href="/wiki/Fosfestrol" title="Fosfestrol">Fosfestrol (diethylstilbestrol diphosphate)</a></li> <li><a href="/wiki/Furostilbestrol" title="Furostilbestrol">Furostilbestrol (diethylstilbestrol difuroate)</a></li> <li><a href="/wiki/GTx-758" title="GTx-758">GTx-758</a></li> <li><a href="/wiki/Hexestrol" title="Hexestrol">Hexestrol</a> <ul><li><a href="/wiki/List_of_estrogen_esters#Hexestrol_esters" title="List of estrogen esters">Hexestrol esters</a></li></ul></li> <li><a href="/wiki/ICI-85966" title="ICI-85966">ICI-85966 (Stilbostat)</a></li> <li><a href="/wiki/M2613" title="M2613">M2613</a></li> <li><a href="/wiki/Meso-Butestrol" title="Meso-Butestrol"><i>meso</i>-Butestrol</a></li> <li><a href="/wiki/Meso-Hexestrol" class="mw-redirect" title="Meso-Hexestrol"><i>meso</i>-Hexestrol</a></li> <li><a href="/wiki/Mestilbol" title="Mestilbol">Mestilbol</a></li> <li><a href="/wiki/Methallenestril" title="Methallenestril">Methallenestril</a></li> <li><a href="/wiki/Methestrol" title="Methestrol">Methestrol</a></li> <li><a href="/wiki/Methestrol_dipropionate" title="Methestrol dipropionate">Methestrol dipropionate</a></li> <li><a href="/wiki/Paroxypropione" title="Paroxypropione">Paroxypropione</a></li> <li><a href="/wiki/Pentafluranol" title="Pentafluranol">Pentafluranol</a></li> <li><a href="/wiki/Phenestrol" title="Phenestrol">Phenestrol</a></li> <li><a href="/wiki/Prinaberel" title="Prinaberel">Prinaberel (ERB-041, WAY-202041)</a></li> <li><a href="/wiki/Propylpyrazoletriol" title="Propylpyrazoletriol">Propylpyrazoletriol</a></li> <li><a href="/wiki/Quadrosilan" title="Quadrosilan">Quadrosilan</a></li> <li><a href="/w/index.php?title=SC-3296&action=edit&redlink=1" class="new" title="SC-3296 (page does not exist)">SC-3296</a></li> <li><a href="/wiki/SC-4289" title="SC-4289">SC-4289</a></li> <li><a href="/wiki/SERBA-2" title="SERBA-2">SERBA-2</a></li> <li><a href="/wiki/SKF-82,958" title="SKF-82,958">SKF-82,958</a></li> <li><a href="/wiki/Terfluranol" title="Terfluranol">Terfluranol</a></li> <li><a href="/wiki/Triphenylbromoethylene" title="Triphenylbromoethylene">Triphenylbromoethylene</a></li> <li><a href="/wiki/Triphenylchloroethylene" title="Triphenylchloroethylene">Triphenylchloroethylene</a></li> <li><a href="/wiki/Triphenyliodoethylene" title="Triphenyliodoethylene">Triphenyliodoethylene</a></li> <li><a href="/wiki/Triphenylmethylethylene" title="Triphenylmethylethylene">Triphenylmethylethylene (triphenylpropene)</a></li> <li><a href="/wiki/WAY-166818" title="WAY-166818">WAY-166818</a></li> <li><a href="/w/index.php?title=WAY-169916&action=edit&redlink=1" class="new" title="WAY-169916 (page does not exist)">WAY-169916</a></li> <li><a href="/wiki/WAY-200070" title="WAY-200070">WAY-200070</a></li> <li><a href="/wiki/WAY-204688" title="WAY-204688">WAY-204688 (SIM-688)</a></li> <li><a href="/wiki/WAY-214156" title="WAY-214156">WAY-214156</a></li></ul> <ul><li><i>Unknown/unsorted:</i> <a href="/wiki/ERB-26" title="ERB-26">ERB-26</a></li> <li><a href="/wiki/ERA-45" title="ERA-45">ERA-45</a></li> <li><a href="/wiki/ERB-79" title="ERB-79">ERB-79</a></li> <li><a href="/wiki/ZK-283197" title="ZK-283197">ZK-283197</a></li></ul> <ul><li><i>Xenoestrogens:</i> <a href="/wiki/Anise" title="Anise">Anise</a>-related (e.g., <a href="/wiki/Anethole" title="Anethole">anethole</a>, <a href="/wiki/Anol" title="Anol">anol</a>, <a href="/wiki/Dianethole" title="Dianethole">dianethole</a>, <a href="/wiki/Dianol" title="Dianol">dianol</a>, <a href="/wiki/Photoanethole" title="Photoanethole">photoanethole</a>)</li> <li><a href="/wiki/Chalconoid" title="Chalconoid">Chalconoids</a> (e.g., <a href="/wiki/Isoliquiritigenin" title="Isoliquiritigenin">isoliquiritigenin</a>, <a href="/wiki/Phloretin" title="Phloretin">phloretin</a>, <a href="/wiki/Phlorizin" title="Phlorizin">phlorizin (phloridzin)</a>, <a href="/wiki/Wedelolactone" title="Wedelolactone">wedelolactone</a>)</li> <li><a href="/wiki/Coumestan" title="Coumestan">Coumestans</a> (e.g., <a href="/wiki/Coumestrol" title="Coumestrol">coumestrol</a>, <a href="/wiki/Psoralidin" title="Psoralidin">psoralidin</a>)</li> <li><a href="/wiki/Flavonoid" title="Flavonoid">Flavonoids</a> (incl. <a href="/wiki/7,8-Dihydroxyflavone" class="mw-redirect" title="7,8-Dihydroxyflavone">7,8-DHF</a>, <a href="/wiki/8-Prenylnaringenin" title="8-Prenylnaringenin">8-prenylnaringenin</a>, <a href="/wiki/Apigenin" title="Apigenin">apigenin</a>, <a href="/wiki/Baicalein" title="Baicalein">baicalein</a>, <a href="/wiki/Baicalin" title="Baicalin">baicalin</a>, <a href="/wiki/Biochanin_A" title="Biochanin A">biochanin A</a>, <a href="/wiki/Calycosin" title="Calycosin">calycosin</a>, <a href="/wiki/Catechin" title="Catechin">catechin</a>, <a href="/wiki/Daidzein" title="Daidzein">daidzein</a>, <a href="/wiki/Daidzin" title="Daidzin">daidzin</a>, <a href="/wiki/Epicatechin_gallate" title="Epicatechin gallate">ECG</a>, <a href="/wiki/Epigallocatechin_gallate" title="Epigallocatechin gallate">EGCG</a>, <a href="/wiki/Epicatechin" class="mw-redirect" title="Epicatechin">epicatechin</a>, <a href="/wiki/Equol" title="Equol">equol</a>, <a href="/wiki/Formononetin" title="Formononetin">formononetin</a>, <a href="/wiki/Glabrene" title="Glabrene">glabrene</a>, <a href="/wiki/Glabridin" title="Glabridin">glabridin</a>, <a href="/wiki/Genistein" title="Genistein">genistein</a>, <a href="/wiki/Genistin" title="Genistin">genistin</a>, <a href="/wiki/Glycitein" title="Glycitein">glycitein</a>, <a href="/wiki/Kaempferol" title="Kaempferol">kaempferol</a>, <a href="/wiki/Liquiritigenin" title="Liquiritigenin">liquiritigenin</a>, <a href="/wiki/Mirificin" title="Mirificin">mirificin</a>, <a href="/wiki/Myricetin" title="Myricetin">myricetin</a>, <a href="/wiki/Naringenin" title="Naringenin">naringenin</a>, <a href="/w/index.php?title=Penduletin&action=edit&redlink=1" class="new" title="Penduletin (page does not exist)">penduletin</a>, <a href="/wiki/Pinocembrin" title="Pinocembrin">pinocembrin</a>, <a href="/wiki/Prunetin" title="Prunetin">prunetin</a>, <a href="/wiki/Puerarin" title="Puerarin">puerarin</a>, <a href="/wiki/Quercetin" title="Quercetin">quercetin</a>, <a href="/wiki/Tectoridin" title="Tectoridin">tectoridin</a>, <a href="/wiki/Tectorigenin" title="Tectorigenin">tectorigenin</a>)</li> <li><a href="/wiki/Lavender_oil" title="Lavender oil">Lavender oil</a></li> <li><a href="/wiki/Lignan" title="Lignan">Lignans</a> (e.g., <a href="/wiki/Enterodiol" title="Enterodiol">enterodiol</a>, <a href="/wiki/Enterolactone" title="Enterolactone">enterolactone</a>, <a href="/wiki/Nyasol" title="Nyasol">nyasol (<i>cis</i>-hinokiresinol)</a>)</li> <li><a href="/wiki/Metalloestrogen" title="Metalloestrogen">Metalloestrogens</a> (e.g., <a href="/wiki/Cadmium" title="Cadmium">cadmium</a>)</li> <li><a href="/wiki/Pesticide" title="Pesticide">Pesticides</a> (e.g., <a href="/wiki/Alternariol" title="Alternariol">alternariol</a>, <a href="/wiki/Dieldrin" title="Dieldrin">dieldrin</a>, <a href="/wiki/Endosulfan" title="Endosulfan">endosulfan</a>, <a href="/wiki/Fenarimol" title="Fenarimol">fenarimol</a>, <a href="/wiki/HPTE" title="HPTE">HPTE</a>, <a href="/wiki/Methiocarb" title="Methiocarb">methiocarb</a>, <a href="/wiki/Methoxychlor" title="Methoxychlor">methoxychlor</a>, <a href="/wiki/Triclocarban" title="Triclocarban">triclocarban</a>, <a href="/wiki/Triclosan" title="Triclosan">triclosan</a>)</li> <li><a href="/wiki/Phytosteroid" title="Phytosteroid">Phytosteroids</a> (e.g., <a href="/wiki/Digitoxin" title="Digitoxin">digitoxin</a> (<a href="/wiki/Digitalis" title="Digitalis">digitalis</a>), <a href="/wiki/Diosgenin" title="Diosgenin">diosgenin</a>, <a href="/wiki/Guggulsterone" title="Guggulsterone">guggulsterone</a>)</li> <li><a href="/wiki/Phytosterol" title="Phytosterol">Phytosterols</a> (e.g., <a href="/wiki/%CE%92-sitosterol" class="mw-redirect" title="Β-sitosterol">β-sitosterol</a>, <a href="/wiki/Campesterol" title="Campesterol">campesterol</a>, <a href="/wiki/Stigmasterol" title="Stigmasterol">stigmasterol</a>)</li> <li><a href="/wiki/Resorcylic_acid_lactone" title="Resorcylic acid lactone">Resorcylic acid lactones</a> (e.g., <a href="/wiki/Zearalanone" title="Zearalanone">zearalanone</a>, <a href="/wiki/%CE%91-zearalenol" class="mw-redirect" title="Α-zearalenol">α-zearalenol</a>, <a href="/wiki/%CE%92-zearalenol" class="mw-redirect" title="Β-zearalenol">β-zearalenol</a>, <a href="/wiki/Zearalenone" title="Zearalenone">zearalenone</a>, <a href="/wiki/Zeranol" title="Zeranol">zeranol (α-zearalanol)</a>, <a href="/wiki/Taleranol" title="Taleranol">taleranol (teranol, β-zearalanol)</a>)</li> <li><a href="/wiki/Steroid" title="Steroid">Steroid</a>-like (e.g., <a href="/wiki/Deoxymiroestrol" class="mw-redirect" title="Deoxymiroestrol">deoxymiroestrol</a>, <a href="/wiki/Miroestrol" title="Miroestrol">miroestrol</a>)</li> <li><a href="/wiki/Stilbenoid" title="Stilbenoid">Stilbenoids</a> (e.g., <a href="/wiki/Resveratrol" title="Resveratrol">resveratrol</a>, <a href="/wiki/Rhaponticin" title="Rhaponticin">rhaponticin</a>)</li> <li><a href="/wiki/Synthetic_xenoestrogen" class="mw-redirect" title="Synthetic xenoestrogen">Synthetic xenoestrogens</a> (e.g., <a href="/wiki/Alkylphenol" title="Alkylphenol">alkylphenols</a>, <a href="/wiki/Bisphenol" title="Bisphenol">bisphenols</a> (e.g., <a href="/wiki/Bisphenol_A" title="Bisphenol A">BPA</a>, <a href="/wiki/Bisphenol_F" title="Bisphenol F">BPF</a>, <a href="/wiki/Bisphenol_S" title="Bisphenol S">BPS</a>), <a href="/wiki/Dichlorodiphenyltrichloroethane" class="mw-redirect" title="Dichlorodiphenyltrichloroethane">DDT</a>, <a href="/wiki/Paraben" title="Paraben">parabens</a>, <a href="/wiki/Polybrominated_biphenyl" title="Polybrominated biphenyl">PBBs</a>, <a href="/wiki/4-hydroxybenzoic_acid" class="mw-redirect" title="4-hydroxybenzoic acid">PHBA</a>, <a href="/wiki/Phthalate" class="mw-redirect" title="Phthalate">phthalates</a>, <a href="/wiki/Polychlorinated_biphenyl" title="Polychlorinated biphenyl">PCBs</a>)</li> <li>Others (e.g., <a href="/wiki/Agnuside" title="Agnuside">agnuside</a>, <a href="/w/index.php?title=Rotundifuran&action=edit&redlink=1" class="new" title="Rotundifuran (page does not exist)">rotundifuran</a>)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em;;text-align:center">Mixed<br />(<a href="/wiki/Selective_estrogen_receptor_modulators" class="mw-redirect" title="Selective estrogen receptor modulators"><abbr title="Selective estrogen receptor modulators">SERMs</abbr></a><span class="sr-only" style="border: 0; clip: rect(0, 0, 0, 0); clip-path: polygon(0px 0px, 0px 0px, 0px 0px); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; white-space: nowrap;">Tooltip Selective estrogen receptor modulators</span>)</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/2-Phenylbenzofuran" title="2-Phenylbenzofuran">2-Phenylbenzofuran</a></li> <li><a href="/w/index.php?title=2-Phenylbenzothiophene&action=edit&redlink=1" class="new" title="2-Phenylbenzothiophene (page does not exist)">2-Phenylbenzothiophene</a></li> <li><a href="/wiki/4%27-Hydroxynorendoxifen" title="4'-Hydroxynorendoxifen">4'-Hydroxynorendoxifen</a></li> <li><a href="/wiki/27-Hydroxycholesterol" title="27-Hydroxycholesterol">27-Hydroxycholesterol</a></li> <li><a href="/wiki/Acefluranol" title="Acefluranol">Acefluranol</a></li> <li><a href="/wiki/Acolbifene" title="Acolbifene">Acolbifene</a></li> <li><a href="/wiki/Afimoxifene" title="Afimoxifene">Afimoxifene</a></li> <li><a href="/wiki/Anordiol" title="Anordiol">Anordiol</a></li> <li><a href="/wiki/Anordrin" title="Anordrin">Anordrin</a></li> <li><a href="/wiki/Arzoxifene" title="Arzoxifene">Arzoxifene</a></li> <li><a href="/wiki/Bazedoxifene" title="Bazedoxifene">Bazedoxifene</a></li> <li><a href="/wiki/Brilanestrant" title="Brilanestrant">Brilanestrant</a></li> <li><a href="/wiki/Broparestrol" title="Broparestrol">Broparestrol</a></li> <li><a href="/wiki/Camizestrant" title="Camizestrant">Camizestrant</a></li> <li><a href="/wiki/Chlorotrianisene" title="Chlorotrianisene">Chlorotrianisene</a></li> <li><a href="/wiki/Clomifene" title="Clomifene">Clomifene</a></li> <li><a href="/wiki/Clomifenoxide" title="Clomifenoxide">Clomifenoxide</a></li> <li><a href="/w/index.php?title=CN-55945-27&action=edit&redlink=1" class="new" title="CN-55945-27 (page does not exist)">CN-55945-27</a></li> <li><a href="/wiki/Cyclofenil" title="Cyclofenil">Cyclofenil</a></li> <li><a href="/w/index.php?title=D-15413&action=edit&redlink=1" class="new" title="D-15413 (page does not exist)">D-15413</a></li> <li><a href="/wiki/Desmethylchlorotrianisene" title="Desmethylchlorotrianisene">Desmethylchlorotrianisene</a></li> <li><a href="/wiki/Droloxifene" title="Droloxifene">Droloxifene</a></li> <li><a href="/wiki/Enclomifene" title="Enclomifene">Enclomifene</a></li> <li><a href="/wiki/Endoxifen" title="Endoxifen">Endoxifen</a></li> <li><a href="/wiki/Etacstil" title="Etacstil">Etacstil (GW-5638, DPC-974)</a></li> <li><a href="/wiki/Ethamoxytriphetol" title="Ethamoxytriphetol">Ethamoxytriphetol (MER-25)</a></li> <li><a href="/wiki/Femarelle" title="Femarelle">Femarelle</a></li> <li><a href="/wiki/Fispemifene" title="Fispemifene">Fispemifene</a></li> <li><a href="/w/index.php?title=GW-7604&action=edit&redlink=1" class="new" title="GW-7604 (page does not exist)">GW-7604</a></li> <li><a href="/wiki/ICI-55548" class="mw-redirect" title="ICI-55548">ICI-55548</a></li> <li><a href="/wiki/Idoxifene" title="Idoxifene">Idoxifene</a></li> <li><a href="/wiki/Lasofoxifene" title="Lasofoxifene">Lasofoxifene</a></li> <li><a href="/wiki/Levormeloxifene" title="Levormeloxifene">Levormeloxifene</a></li> <li><a href="/wiki/LN-1643" class="mw-redirect" title="LN-1643">LN-1643</a></li> <li><a href="/wiki/LN-2299" class="mw-redirect" title="LN-2299">LN-2299</a></li> <li><a href="/w/index.php?title=LY-117018&action=edit&redlink=1" class="new" title="LY-117018 (page does not exist)">LY-117018</a></li> <li><a href="/wiki/Menerba" title="Menerba">Menerba</a></li> <li><a href="/wiki/Miproxifene" title="Miproxifene">Miproxifene</a></li> <li><a href="/wiki/Miproxifene_phosphate" title="Miproxifene phosphate">Miproxifene phosphate</a></li> <li><a href="/w/index.php?title=MRL-37&action=edit&redlink=1" class="new" title="MRL-37 (page does not exist)">MRL-37</a></li> <li><a href="/wiki/Nafoxidine" title="Nafoxidine">Nafoxidine</a></li> <li><a href="/wiki/Nitromifene" title="Nitromifene">Nitromifene</a></li> <li><a href="/wiki/NNC_45-0095" title="NNC 45-0095">NNC 45-0095</a></li> <li><a href="/w/index.php?title=NNC_45-0320&action=edit&redlink=1" class="new" title="NNC 45-0320 (page does not exist)">NNC 45-0320</a></li> <li><a href="/w/index.php?title=NNC_45-0781&action=edit&redlink=1" class="new" title="NNC 45-0781 (page does not exist)">NNC 45-0781</a></li> <li><a href="/w/index.php?title=NNC_45-1506&action=edit&redlink=1" class="new" title="NNC 45-1506 (page does not exist)">NNC 45-1506</a></li> <li><a href="/wiki/Ormeloxifene" title="Ormeloxifene">Ormeloxifene</a></li> <li><a href="/wiki/Ospemifene" title="Ospemifene">Ospemifene</a></li> <li><a href="/wiki/Panomifene" title="Panomifene">Panomifene</a></li> <li><a href="/wiki/Pipendoxifene" title="Pipendoxifene">Pipendoxifene</a></li> <li><a href="/w/index.php?title=Promensil&action=edit&redlink=1" class="new" title="Promensil (page does not exist)">Promensil</a></li> <li><a href="/wiki/Raloxifene" title="Raloxifene">Raloxifene</a></li> <li><a href="/wiki/Rimostil" title="Rimostil">Rimostil (P-081)</a></li> <li><a href="/wiki/Spironolactone" title="Spironolactone">Spironolactone</a></li> <li><a href="/w/index.php?title=SS1010&action=edit&redlink=1" class="new" title="SS1010 (page does not exist)">SS1010</a></li> <li><a href="/wiki/Tamoxifen" title="Tamoxifen">Tamoxifen</a></li> <li><a href="/wiki/TAS-108" title="TAS-108">TAS-108 (SR-16234)</a></li> <li><a href="/wiki/Toremifene" title="Toremifene">Toremifene</a></li> <li><a href="/wiki/Trioxifene" title="Trioxifene">Trioxifene</a></li> <li><a href="/w/index.php?title=TZE-5323&action=edit&redlink=1" class="new" title="TZE-5323 (page does not exist)">TZE-5323</a></li> <li><a href="/w/index.php?title=U-11555A&action=edit&redlink=1" class="new" title="U-11555A (page does not exist)">U-11555A</a></li> <li><a href="/w/index.php?title=U-11634&action=edit&redlink=1" class="new" title="U-11634 (page does not exist)">U-11634</a></li> <li><a href="/w/index.php?title=Y-134&action=edit&redlink=1" class="new" title="Y-134 (page does not exist)">Y-134</a></li> <li><a href="/wiki/Zindoxifene" title="Zindoxifene">Zindoxifene</a></li> <li><a href="/wiki/Zuclomifene" title="Zuclomifene">Zuclomifene</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em;;text-align:center">Antagonists</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/(R,R)-Tetrahydrochrysene" title="(R,R)-Tetrahydrochrysene">(R,R)-THC</a></li> <li><a href="/wiki/7%CE%B2-Hydroxy-DHEA" title="7β-Hydroxy-DHEA">7β-Hydroxy-DHEA</a></li> <li><a href="/w/index.php?title=Chloroindazole&action=edit&redlink=1" class="new" title="Chloroindazole (page does not exist)">Chloroindazole</a></li> <li><a href="/wiki/Cytestrol_acetate" title="Cytestrol acetate">Cytestrol acetate</a></li> <li><a href="/w/index.php?title=EM-800&action=edit&redlink=1" class="new" title="EM-800 (page does not exist)">EM-800 (SCH-57050)</a></li> <li><a href="/wiki/Epitiostanol" title="Epitiostanol">Epitiostanol</a></li> <li><a href="/w/index.php?title=ERA-90&action=edit&redlink=1" class="new" title="ERA-90 (page does not exist)">ERA-90</a></li> <li><a href="/w/index.php?title=ERB-88&action=edit&redlink=1" class="new" title="ERB-88 (page does not exist)">ERB-88</a></li> <li><a href="/wiki/Fulvestrant" title="Fulvestrant">Fulvestrant (ICI-182780)</a></li> <li><a href="/wiki/Glyceollin" title="Glyceollin">Glyceollins</a> (<a href="/wiki/Glyceollin_I" title="Glyceollin I">I</a>, <a href="/w/index.php?title=Glyceollin_II&action=edit&redlink=1" class="new" title="Glyceollin II (page does not exist)">II</a>, <a href="/wiki/Glyceollin_III" title="Glyceollin III">III</a>, <a href="/w/index.php?title=Glyceollin_IV&action=edit&redlink=1" class="new" title="Glyceollin IV (page does not exist)">IV</a>)</li> <li><a href="/wiki/ICI-164384" title="ICI-164384">ICI-164384</a></li> <li><a href="/w/index.php?title=MDL-101906&action=edit&redlink=1" class="new" title="MDL-101906 (page does not exist)">MDL-101906</a></li> <li><a href="/wiki/Mepitiostane" title="Mepitiostane">Mepitiostane</a></li> <li><a href="/wiki/Methylepitiostanol" title="Methylepitiostanol">Methylepitiostanol</a></li> <li><a href="/wiki/Methylpiperidinopyrazole" title="Methylpiperidinopyrazole">Methylpiperidinopyrazole</a></li> <li><a href="/wiki/MIBE" title="MIBE">MIBE</a></li> <li><a href="/w/index.php?title=Oxabicycloheptene_sulfonate&action=edit&redlink=1" class="new" title="Oxabicycloheptene sulfonate (page does not exist)">Oxabicycloheptene sulfonate</a></li> <li><a href="/wiki/Phenytoin" title="Phenytoin">Phenytoin</a></li> <li><a href="/wiki/PHTPP" title="PHTPP">PHTPP</a></li> <li><a href="/wiki/Prochloraz" title="Prochloraz">Prochloraz</a></li> <li><a href="/w/index.php?title=RU-39411&action=edit&redlink=1" class="new" title="RU-39411 (page does not exist)">RU-39411</a></li> <li><a href="/w/index.php?title=RU-58668&action=edit&redlink=1" class="new" title="RU-58668 (page does not exist)">RU-58668</a></li> <li><a href="/w/index.php?title=SS1020&action=edit&redlink=1" class="new" title="SS1020 (page does not exist)">SS1020</a></li> <li><a href="/wiki/TAS-108" title="TAS-108">TAS-108 (SR-16234)</a></li> <li><a href="/wiki/ZB716" title="ZB716">ZB716</a></li> <li><a href="/w/index.php?title=ZK-164015&action=edit&redlink=1" class="new" title="ZK-164015 (page does not exist)">ZK-164015</a></li> <li><a href="/w/index.php?title=ZK-191703&action=edit&redlink=1" class="new" title="ZK-191703 (page does not exist)">ZK-191703</a></li></ul> <ul><li><i>Coregulator-binding modulators:</i> <a href="/wiki/ERX-11" title="ERX-11">ERX-11</a></li></ul> <ul><li><i>Noncompetitive inhibitors:</i> <a href="/wiki/Trilostane" title="Trilostane">Trilostane</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;"><a href="/wiki/G_protein-coupled_estrogen_receptor" class="mw-redirect" title="G protein-coupled estrogen receptor"><abbr title="G protein-coupled estrogen receptor">GPER</abbr></a><span class="sr-only" style="border: 0; clip: rect(0, 0, 0, 0); clip-path: polygon(0px 0px, 0px 0px, 0px 0px); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; white-space: nowrap;">Tooltip G protein-coupled estrogen receptor</span></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:6em;;text-align:center">Agonists</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/2-Methoxyestradiol" title="2-Methoxyestradiol">2-Methoxyestradiol</a></li> <li><a href="/wiki/7%CE%B2-Hydroxyepiandrosterone" title="7β-Hydroxyepiandrosterone">7β-Hydroxyepiandrosterone</a></li> <li><a href="/wiki/Afimoxifene" title="Afimoxifene">Afimoxifene (4-hydroxytamoxifen)</a></li> <li><a href="/wiki/Aldosterone" title="Aldosterone">Aldosterone</a></li> <li><a href="/wiki/Atrazine" title="Atrazine">Atrazine</a></li> <li><a href="/wiki/Bisphenol_A" title="Bisphenol A">Bisphenol A</a></li> <li><a href="/wiki/Daidzein" title="Daidzein">Daidzein</a></li> <li><a href="/wiki/DDT" title="DDT">DDT</a> (<a href="/wiki/P,p%27-DDT" class="mw-redirect" title="P,p'-DDT">p,p'-DDT</a>, <a href="/w/index.php?title=O%27,p%27-DDE&action=edit&redlink=1" class="new" title="O',p'-DDE (page does not exist)">o',p'-DDE</a>)</li> <li><a href="/wiki/Diarylpropionitrile" title="Diarylpropionitrile">Diarylpropionitrile</a></li> <li><a href="/wiki/Equol" title="Equol">Equol</a></li> <li><a href="/wiki/Estradiol" title="Estradiol">Estradiol</a></li> <li><a href="/wiki/Ethinylestradiol" title="Ethinylestradiol">Ethinylestradiol</a></li> <li><a href="/wiki/Fulvestrant" title="Fulvestrant">Fulvestrant (ICI-182780)</a></li> <li><a href="/w/index.php?title=G-1_(drug)&action=edit&redlink=1" class="new" title="G-1 (drug) (page does not exist)">G-1</a></li> <li><a href="/wiki/Genistein" title="Genistein">Genistein</a></li> <li><a href="/w/index.php?title=GPER-L1&action=edit&redlink=1" class="new" title="GPER-L1 (page does not exist)">GPER-L1</a></li> <li><a href="/w/index.php?title=GPER-L2&action=edit&redlink=1" class="new" title="GPER-L2 (page does not exist)">GPER-L2</a></li> <li><a href="/wiki/Hydroxytyrosol" title="Hydroxytyrosol">Hydroxytyrosol</a></li> <li><a href="/wiki/Kepone" class="mw-redirect" title="Kepone">Kepone</a></li> <li><a href="/wiki/Niacin" title="Niacin">Niacin</a></li> <li><a href="/wiki/Niacinamide" class="mw-redirect" title="Niacinamide">Niacinamide</a></li> <li><a href="/wiki/Nonylphenol" title="Nonylphenol">Nonylphenol</a></li> <li><a href="/wiki/Oleuropein" title="Oleuropein">Oleuropein</a></li> <li><a href="/wiki/Polychlorinated_biphenyl" title="Polychlorinated biphenyl">PCBs</a> (<a href="/w/index.php?title=2,2%27,5%27-PCB-4-OH&action=edit&redlink=1" class="new" title="2,2',5'-PCB-4-OH (page does not exist)">2,2',5'-PCB-4-OH</a>)</li> <li><a href="/wiki/Propylpyrazoletriol" title="Propylpyrazoletriol">Propylpyrazoletriol</a></li> <li><a href="/wiki/Quercetin" title="Quercetin">Quercetin</a></li> <li><a href="/wiki/Raloxifene" title="Raloxifene">Raloxifene</a></li> <li><a href="/wiki/Resveratrol" title="Resveratrol">Resveratrol</a></li> <li><a href="/w/index.php?title=STX_(drug)&action=edit&redlink=1" class="new" title="STX (drug) (page does not exist)">STX</a></li> <li><a href="/wiki/Tamoxifen" title="Tamoxifen">Tamoxifen</a></li> <li><a href="/wiki/Tectoridin" title="Tectoridin">Tectoridin</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em;;text-align:center">Antagonists</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/CCL18" title="CCL18">CCL18</a></li> <li><a href="/wiki/Estriol" title="Estriol">Estriol</a></li> <li><a href="/w/index.php?title=G-15_(drug)&action=edit&redlink=1" class="new" title="G-15 (drug) (page does not exist)">G-15</a></li> <li><a href="/w/index.php?title=G-36_(drug)&action=edit&redlink=1" class="new" title="G-36 (drug) (page does not exist)">G-36</a></li> <li><a href="/wiki/MIBE" title="MIBE">MIBE</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em;;text-align:center">Unknown</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Diethylstilbestrol" title="Diethylstilbestrol">Diethylstilbestrol</a></li> <li><a href="/wiki/Zearalenone" title="Zearalenone">Zearalenone</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <dl><dt>See also</dt> <dd><a href="/wiki/Template:Receptor_modulators" title="Template:Receptor modulators">Receptor/signaling modulators</a></dd> <dd><a href="/wiki/Template:Estrogens_and_antiestrogens" title="Template:Estrogens and antiestrogens">Estrogens and antiestrogens</a></dd> <dd><a href="/wiki/Template:Androgen_receptor_modulators" title="Template:Androgen receptor modulators">Androgen receptor modulators</a></dd> <dd><a href="/wiki/Template:Progesterone_receptor_modulators" title="Template:Progesterone receptor modulators">Progesterone receptor modulators</a></dd> <dd><a href="/wiki/List_of_steroidal_estrogens" class="mw-redirect" title="List of steroidal estrogens">List of estrogens</a></dd></dl> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" 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