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Preferred IUPAC name - Wikipedia
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Available in 11 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-11" 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">11 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Nom_IUPAC_preferit" title="Nom IUPAC preferit – Catalan" lang="ca" hreflang="ca" data-title="Nom IUPAC preferit" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Bevorzugter_IUPAC-Name" title="Bevorzugter IUPAC-Name – German" lang="de" hreflang="de" data-title="Bevorzugter IUPAC-Name" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%86%D8%A7%D9%85_%D8%A2%DB%8C%D9%88%D9%BE%D8%A7%DA%A9_%D8%A7%D8%B1%D8%AC%D8%AD" title="نام آیوپاک ارجح – Persian" lang="fa" hreflang="fa" data-title="نام آیوپاک ارجح" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Ainm_tosa%C3%ADochta_IUPAC" title="Ainm tosaíochta IUPAC – Irish" lang="ga" hreflang="ga" data-title="Ainm tosaíochta IUPAC" data-language-autonym="Gaeilge" data-language-local-name="Irish" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%9A%B0%EC%84%A0%EB%AA%85" title="우선명 – Korean" lang="ko" hreflang="ko" data-title="우선명" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%85%E0%B4%A8%E0%B5%81%E0%B4%AF%E0%B5%8B%E0%B4%9C%E0%B5%8D%E0%B4%AF%E0%B4%AE%E0%B4%BE%E0%B4%AF_IUPAC_%E0%B4%A8%E0%B4%BE%E0%B4%AE%E0%B4%82" title="അനുയോജ്യമായ IUPAC നാമം – Malayalam" lang="ml" hreflang="ml" data-title="അനുയോജ്യമായ IUPAC നാമം" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Nama_IUPAC_pilihan" title="Nama IUPAC pilihan – Malay" lang="ms" hreflang="ms" data-title="Nama IUPAC pilihan" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%84%AA%E5%85%88IUPAC%E5%90%8D" title="優先IUPAC名 – Japanese" lang="ja" hreflang="ja" data-title="優先IUPAC名" 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-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Preferowana_nazwa_IUPAC" title="Preferowana nazwa IUPAC – Polish" lang="pl" hreflang="pl" data-title="Preferowana nazwa IUPAC" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Preferentno_IUPAC_ime" 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</div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" 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convention</div> <p>In <a href="/wiki/Chemical_nomenclature" title="Chemical nomenclature">chemical nomenclature</a>, a <b>preferred IUPAC name</b> (<b>PIN</b>) is a unique name, assigned to a chemical substance and preferred among all possible names generated by <a href="/wiki/IUPAC" class="mw-redirect" title="IUPAC">IUPAC</a> nomenclature. The "preferred IUPAC nomenclature" provides a set of rules for choosing between multiple possibilities in situations where it is important to decide on a unique name. It is intended for use in legal and regulatory situations.<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> </p><p>Preferred IUPAC names are applicable only for <a href="/wiki/Organic_compounds" class="mw-redirect" title="Organic compounds">organic compounds</a>, to which the IUPAC (International Union of Pure and Applied Chemistry) has the definition as compounds which contain at least a single carbon atom but no <a href="/wiki/Alkali_metal" title="Alkali metal">alkali</a>, <a href="/wiki/Alkaline_earth_metal" title="Alkaline earth metal">alkaline earth</a> or <a href="/wiki/Transition_metals" class="mw-redirect" title="Transition metals">transition metals</a> and can be named by the nomenclature of organic compounds<sup id="cite_ref-iupac2013_2-0" class="reference"><a href="#cite_note-iupac2013-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> (see <a href="#Scope_of_the_nomenclature_for_organic_compounds">below</a>). Rules for the remaining organic and inorganic compounds are still under development.<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> The concept of PINs is defined in the introductory chapter and chapter 5 of the <i>"Nomenclature of Organic Chemistry: IUPAC Recommendations and Preferred Names 2013"</i> (freely accessible),<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> which replace two former publications: the <i>"Nomenclature of Organic Chemistry"</i>, 1979 (the <i>Blue Book</i>) and <i>"A Guide to IUPAC Nomenclature of Organic Compounds, Recommendations 1993"</i>. The full draft version of the PIN recommendations (<i>"Preferred names in the nomenclature of organic compounds"</i>, Draft of 7 October 2004) is also available.<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><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> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Definitions">Definitions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Preferred_IUPAC_name&action=edit&section=1" title="Edit section: Definitions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/IUPAC_nomenclature_of_organic_chemistry" title="IUPAC nomenclature of organic chemistry">IUPAC nomenclature of organic chemistry</a> and <a href="/wiki/IUPAC_nomenclature_of_inorganic_chemistry" title="IUPAC nomenclature of inorganic chemistry">IUPAC nomenclature of inorganic chemistry</a></div> <p>A <b>preferred IUPAC name</b> or <b>PIN</b> is a name that is preferred among two or more IUPAC names. An <b>IUPAC name</b> is a <a href="/wiki/Systematic_name#In_chemistry" title="Systematic name"> systematic name</a> that meets the recommended IUPAC rules. IUPAC names include retained names. A <b>general IUPAC name</b> is any IUPAC name that is not a "preferred IUPAC name". A <b>retained name</b> is a traditional or otherwise often used name, usually a <a href="/wiki/Trivial_name" title="Trivial name">trivial name</a>, that may be used in IUPAC nomenclature.<sup id="cite_ref-Chapter1_7-0" class="reference"><a href="#cite_note-Chapter1-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p><p>Since systematic names often are not human-readable a PIN may be a retained name. Both "PINs" and "retained names" have to be chosen (and established by IUPAC) explicitly, unlike other IUPAC names, which automatically arise from IUPAC nomenclatural rules. Thus, the PIN is sometimes the retained name (e.g., phenol and acetic acid, instead of benzenol and ethanoic acid), while in other cases, the systematic name was chosen over a very common retained name (e.g., propan-2-one, instead of acetone). </p><p>A <b>preselected name</b> is a preferred name chosen among two or more names for <a href="/wiki/Parent_hydride" title="Parent hydride">parent hydrides</a> or other <a href="/wiki/Parent_structure" title="Parent structure">parent structures</a> that do not contain carbon (inorganic parents). "Preselected names" are used in the nomenclature of organic compounds as the basis for PINs for organic derivatives. They are needed for derivatives of organic compounds that do not contain carbon themselves.<sup id="cite_ref-Chapter1_7-1" class="reference"><a href="#cite_note-Chapter1-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> A preselected name is not necessarily a PIN in inorganic chemical nomenclature. </p> <div class="mw-heading mw-heading2"><h2 id="Basic_principles">Basic principles</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Preferred_IUPAC_name&action=edit&section=2" title="Edit section: Basic principles"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The systems of chemical nomenclature developed by the <a href="/wiki/International_Union_of_Pure_and_Applied_Chemistry" title="International Union of Pure and Applied Chemistry">International Union of Pure and Applied Chemistry</a> (IUPAC) have traditionally concentrated on ensuring that chemical names are unambiguous, that is that a name can only refer to one substance. However, a single substance can have more than one acceptable name, like <a href="/wiki/Toluene" title="Toluene">toluene</a>, which may also be correctly named as "methylbenzene" or "phenylmethane". Some alternative names remain available as "retained names" for more general contexts. For example, <a href="/wiki/Tetrahydrofuran" title="Tetrahydrofuran">tetrahydrofuran</a> remains an unambiguous and acceptable name for the common organic solvent, even if the preferred IUPAC name is "oxolane".<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>The nomenclature goes:<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> <ul><li>Preselected names are to be used.</li> <li><a href="/wiki/Substitution_reaction" title="Substitution reaction">Substitutive nomenclature</a> (replacement of hydrogen atoms in the parent structure) is used most extensively, for example "ethoxyethane" instead of <a href="/wiki/Diethyl_ether" title="Diethyl ether">diethyl ether</a> and "tetrachloromethane" instead of <a href="/wiki/Carbon_tetrachloride" title="Carbon tetrachloride">carbon tetrachloride</a>.</li> <li><a href="/wiki/Functional_group" title="Functional group">Functional class</a> naming (also known as radicofunctional nomenclature) is preferred next. In the case of <a href="/wiki/Acid_anhydride" title="Acid anhydride">acid anhydrides</a>, <a href="/wiki/Ester" title="Ester">esters</a>, <a href="/wiki/Acyl_halide" title="Acyl halide">acyl halides</a> and pseudohalides and <a href="/wiki/Salt_(chemistry)" title="Salt (chemistry)">salts</a>, this method takes precedence over substitution.</li> <li><a href="/wiki/Skeletal_replacement" class="mw-redirect" title="Skeletal replacement">Skeletal replacement</a> ('a', named for the suffix), if it both applies and a heteroatom is found in a chain, is preferred over substitution. If it applies but no heteroatom is found in a chain, it is preferred over multiplicative nomenclature. Example: 3-phospha-2,5,7-trisilaoctane refers to CH<sub>3</sub>-SiH<sub>2</sub>-PH-CH<sub>2</sub>-SiH<sub>2</sub>-CH<sub>2</sub>-SiH<sub>2</sub>-CH<sub>3</sub>. <ul><li>Skeletal replacement mainly replaces carbon with other atoms, or in the case of <a href="/wiki/Phane_nomenclature" class="mw-redirect" title="Phane nomenclature">phane nomenclature</a>, whole "superatom" rings. It also includes more complex replacements, such as the <a href="/wiki/IUPAC_nomenclature_of_inorganic_chemistry_2005#Hydrides_with_non-standard_bonding—lambda_convention" title="IUPAC nomenclature of inorganic chemistry 2005">lambda convention</a>.</li></ul></li> <li>Multiplicative nomenclature is to be preferred over simple substitutive if it can be used. This is the nomenclature with an apostrophe after numbers such as 4'; it allows multiple occurrences of the principal characteristic group or compound class to be treated together. Example: 4,4′-sulfanediyldibenzoic acid refers to (COOH-C<sub>6</sub>H<sub>4</sub>)<sub>2</sub>S.</li></ul> <p>The following are available, but not given special preference:<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> <ul><li>Conjunctive nomenclature is available, but substitutive, multiplicative, or skeletal should be preferred. Example: benzene-1,3,5-triacetic acid should instead be named 2,2′,2′′-(benzene-1,3,5-triyl)triacetic acid.</li> <li>Additive and subtractive operations remain available as with the general case. For example, one keeps changing "ane" into "ene" for double bonds. Additive operations generally have better names derived from the above rules, such as phenyloxirane for <a href="/wiki/Styrene_oxide" title="Styrene oxide">styrene oxide</a>.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Retained_names">Retained names</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Preferred_IUPAC_name&action=edit&section=3" title="Edit section: Retained names"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Retained_name" title="Retained name">Retained name</a></div> <p>The number of retained non-systematic, trivial names of simple organic compounds (for example <a href="/wiki/Formic_acid" title="Formic acid">formic acid</a> and <a href="/wiki/Acetic_acid" title="Acetic acid">acetic acid</a>) has been reduced considerably for preferred IUPAC names, although a larger set of retained names is available for general nomenclature. The traditional names of simple <a href="/wiki/Monosaccharides" class="mw-redirect" title="Monosaccharides">monosaccharides</a>, α-amino acids and many natural products have been retained as preferred IUPAC names; in these cases the systematic names may be very complicated and virtually never used. The name for <a href="/wiki/Water" title="Water">water</a> itself is a retained IUPAC name. </p> <div class="mw-heading mw-heading2"><h2 id="Scope_of_the_nomenclature_for_organic_compounds">Scope of the nomenclature for organic compounds</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Preferred_IUPAC_name&action=edit&section=4" title="Edit section: Scope of the nomenclature for organic compounds"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In IUPAC nomenclature, all compounds containing carbon atoms are considered organic compounds. Organic nomenclature only applies to organic compounds containing elements from the Groups <a href="/wiki/Boron_group" title="Boron group">13</a> through <a href="/wiki/Halogen" title="Halogen">17</a>. <a href="/wiki/Organometallic_compounds" class="mw-redirect" title="Organometallic compounds">Organometallic compounds</a> of the Groups <a href="/wiki/Alkali_metal" title="Alkali metal">1</a> through <a href="/wiki/Group_12_element" title="Group 12 element">12</a> are not covered by organic nomenclature.<sup id="cite_ref-Chapter1_7-2" class="reference"><a href="#cite_note-Chapter1-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><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> </p> <div class="mw-heading mw-heading2"><h2 id="Notes_and_references">Notes and references</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Preferred_IUPAC_name&action=edit&section=5" title="Edit section: Notes and 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 .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-columns references-column-width" style="column-width: 25em;"> <ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation cs2"><a rel="nofollow" class="external text" href="https://iupac.org/projects/project-details/?project_nr=2001-043-1-800"><i>Preferred names in the nomenclature of organic compounds</i></a>, International Union of Pure and Applied Chemistry<span class="reference-accessdate">, retrieved <span class="nowrap">2017-08-12</span></span></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Preferred+names+in+the+nomenclature+of+organic+compounds&rft.pub=International+Union+of+Pure+and+Applied+Chemistry&rft_id=https%3A%2F%2Fiupac.org%2Fprojects%2Fproject-details%2F%3Fproject_nr%3D2001-043-1-800&rfr_id=info%3Asid%2Fen.wikipedia.org%3APreferred+IUPAC+name" class="Z3988"></span>.</span> </li> <li id="cite_note-iupac2013-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-iupac2013_2-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1"><i>Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book)</i>. Cambridge: <a href="/wiki/Royal_Society_of_Chemistry" title="Royal Society of Chemistry">The Royal Society of Chemistry</a>. 2014. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1039%2F9781849733069-FP001">10.1039/9781849733069-FP001</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-85404-182-4" title="Special:BookSources/978-0-85404-182-4"><bdi>978-0-85404-182-4</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Nomenclature+of+Organic+Chemistry+%3A+IUPAC+Recommendations+and+Preferred+Names+2013+%28Blue+Book%29&rft.place=Cambridge&rft.pub=The+Royal+Society+of+Chemistry&rft.date=2014&rft_id=info%3Adoi%2F10.1039%2F9781849733069-FP001&rft.isbn=978-0-85404-182-4&rfr_id=info%3Asid%2Fen.wikipedia.org%3APreferred+IUPAC+name" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHartshornHellwichYerinDamhus2015" class="citation journal cs1">Hartshorn, R. M.; Hellwich, K.-H.; Yerin, A.; Damhus, T.; Hutton, A. T. (2015). <a rel="nofollow" class="external text" href="https://iupac.org/cms/wp-content/uploads/2018/05/Inorganic-Brief-Guide-V1-3.pdf">"Brief Guide to the Nomenclature of Inorganic Chemistry"</a> <span class="cs1-format">(PDF)</span>. <i>Pure and Applied Chemistry</i>. <b>87</b> (9–10): 1039–1049. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1515%2Fpac-2014-0718">10.1515/pac-2014-0718</a>. <a href="/wiki/Hdl_(identifier)" class="mw-redirect" title="Hdl (identifier)">hdl</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://hdl.handle.net/10092%2F12053">10092/12053</a></span>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:100897636">100897636</a><span class="reference-accessdate">. Retrieved <span class="nowrap">20 February</span> 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Pure+and+Applied+Chemistry&rft.atitle=Brief+Guide+to+the+Nomenclature+of+Inorganic+Chemistry&rft.volume=87&rft.issue=9%E2%80%9310&rft.pages=1039-1049&rft.date=2015&rft_id=info%3Ahdl%2F10092%2F12053&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A100897636%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1515%2Fpac-2014-0718&rft.aulast=Hartshorn&rft.aufirst=R.+M.&rft.au=Hellwich%2C+K.-H.&rft.au=Yerin%2C+A.&rft.au=Damhus%2C+T.&rft.au=Hutton%2C+A.+T.&rft_id=https%3A%2F%2Fiupac.org%2Fcms%2Fwp-content%2Fuploads%2F2018%2F05%2FInorganic-Brief-Guide-V1-3.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3APreferred+IUPAC+name" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFFavrePowell2014" class="citation book cs1">Favre, Henri A.; Powell, Warren H. (2014). <a rel="nofollow" class="external text" href="https://iupac.qmul.ac.uk/BlueBook/"><i>Nomenclature of Organic Chemistry: IUPAC Recommendations and Preferred Names 2013</i></a>. The Royal Society of Chemistry. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1039%2F9781849733069">10.1039/9781849733069</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-84973-306-9" title="Special:BookSources/978-1-84973-306-9"><bdi>978-1-84973-306-9</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Nomenclature+of+Organic+Chemistry%3A+IUPAC+Recommendations+and+Preferred+Names+2013&rft.pub=The+Royal+Society+of+Chemistry&rft.date=2014&rft_id=info%3Adoi%2F10.1039%2F9781849733069&rft.isbn=978-1-84973-306-9&rft.aulast=Favre&rft.aufirst=Henri+A.&rft.au=Powell%2C+Warren+H.&rft_id=https%3A%2F%2Fiupac.qmul.ac.uk%2FBlueBook%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3APreferred+IUPAC+name" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text">IUPAC Provisional Recommendations 2004 <a rel="nofollow" class="external text" href="http://old.iupac.org/reports/provisional/abstract04/favre_310305.html">CONTENTS</a></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text">IUPAC Provisional Recommendations 2004 <a rel="nofollow" class="external text" href="http://old.iupac.org/reports/provisional/abstract04/BB-prs310305/CompleteDraft.pdf">Complete draft version</a></span> </li> <li id="cite_note-Chapter1-7"><span class="mw-cite-backlink">^ <a href="#cite_ref-Chapter1_7-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Chapter1_7-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Chapter1_7-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text">IUPAC Provisional Recommendations 2004, par. 10–12, <a rel="nofollow" class="external text" href="http://old.iupac.org/reports/provisional/abstract04/BB-prs310305/Chapter1.pdf">Chapter 1</a></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text">IUPAC Provisional Recommendations 2004, Rule P-53.2.2, <a rel="nofollow" class="external text" href="http://old.iupac.org/reports/provisional/abstract04/BB-prs310305/Chapter5.pdf">Chapter5</a></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text">IUPAC Provisional Recommendations 2004, P-51, <a rel="nofollow" class="external text" href="https://iupac.qmul.ac.uk/BlueBook/P5.html#510102">Chap P-5</a></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text">IUPAC Provisional Recommendations 2004, P-51, <a rel="nofollow" class="external text" href="https://iupac.qmul.ac.uk/BlueBook/P5.html#510102">Chap P-5</a></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text">IUPAC Provisional Recommendations 2004, P-69.0 <a rel="nofollow" class="external text" href="http://old.iupac.org/reports/provisional/abstract04/BB-prs310305/Chapter6-Sec69.pdf">Organometallic compounds</a></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Further_reading">Further reading</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Preferred_IUPAC_name&action=edit&section=6" title="Edit section: Further reading"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWisniewski2008" class="citation book cs1">Wisniewski, Janusz Leon (5 May 2008). "Chemical Nomenclature and Structure Representation: Algorithmic Generation and Conversion". <i>Handbook of Chemoinformatics</i>. pp. 51–79. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1002%2F9783527618279.ch4">10.1002/9783527618279.ch4</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-3-527-30680-0" title="Special:BookSources/978-3-527-30680-0"><bdi>978-3-527-30680-0</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Chemical+Nomenclature+and+Structure+Representation%3A+Algorithmic+Generation+and+Conversion&rft.btitle=Handbook+of+Chemoinformatics&rft.pages=51-79&rft.date=2008-05-05&rft_id=info%3Adoi%2F10.1002%2F9783527618279.ch4&rft.isbn=978-3-527-30680-0&rft.aulast=Wisniewski&rft.aufirst=Janusz+Leon&rfr_id=info%3Asid%2Fen.wikipedia.org%3APreferred+IUPAC+name" class="Z3988"></span> – background on why a preferred name is needed (multiple dialects of "systematic" such as <a href="/wiki/Chemical_Abstracts_Service" title="Chemical Abstracts Service">CAS</a> and <a href="/wiki/Beilstein_database" title="Beilstein database">Beilstein</a>)</li></ul> <!-- NewPP limit report Parsed by mw‐web.codfw.main‐f69cdc8f6‐5wzkx Cached time: 20241122143312 Cache expiry: 2592000 Reduced expiry: false Complications: [vary‐revision‐sha1, show‐toc] CPU time usage: 0.187 seconds Real time usage: 0.254 seconds Preprocessor visited node count: 619/1000000 Post‐expand include size: 12876/2097152 bytes Template argument size: 462/2097152 bytes Highest expansion depth: 8/100 Expensive parser function count: 4/500 Unstrip recursion depth: 1/20 Unstrip post‐expand size: 22714/5000000 bytes Lua time usage: 0.112/10.000 seconds Lua memory usage: 4307835/52428800 bytes Number of Wikibase entities loaded: 0/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 228.873 1 -total 49.98% 114.401 1 Template:Reflist 34.63% 79.251 1 Template:Short_description 33.48% 76.619 1 Template:Citation 21.00% 48.073 2 Template:Pagetype 9.05% 20.706 3 Template:Main_other 8.79% 20.120 1 Template:Further 8.24% 18.854 1 Template:SDcat 6.82% 15.614 3 Template:Cite_book 3.55% 8.129 1 Template:Cite_journal --> <!-- Saved in parser cache with key enwiki:pcache:idhash:17525141-0!canonical and timestamp 20241122143312 and revision id 1254051534. 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