CINXE.COM
CAS Common Chemistry
<!DOCTYPE html><html lang="en"><head> <!-- Google Tag Manager --> <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= 'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); })(window,document,'script','dataLayer','GTM-KQVQ75G');</script> <!-- End Google Tag Manager --> <!-- Global site tag (gtag.js) - Google Analytics --> <script async="" src="https://www.googletagmanager.com/gtag/js?id=G-G2HY3JW1Z5"></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-G2HY3JW1Z5'); </script> <meta charset="utf-8"> <meta name="description" content="Quickly confirm chemical names, CAS Registry Numbers®, structures or basic physical properties by searching compounds of general interest or leveraging an API connection."> <title>CAS Common Chemistry</title> <base href="/"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="icon" type="image/x-icon" href="favicon.png?ver=2"> <link rel="stylesheet" href="styles.adfc584f1e392da87a9d.css"><style ng-transition="serverApp"></style><style ng-transition="serverApp">.loading-overlay[_ngcontent-sc46]{position:fixed;z-index:1100;top:0;left:0;width:100%;height:100%;background-color:#fff;transition:.5s}div.loading-container[_ngcontent-sc46]{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)}div.loading-container[_ngcontent-sc46] .img-loading[_ngcontent-sc46]{display:block;margin:0 auto;max-width:150px}</style><style ng-transition="serverApp">@font-face{font-family:Open_Sans;font-style:normal;font-weight:400;src:url(open-sans-v13-regular.54540cb1e92164ef3313.eot);src:local("Open Sans"),local("OpenSans"),url(open-sans-v13-regular.54540cb1e92164ef3313.eot?#iefix) format("embedded-opentype"),url(open-sans-v13-regular.4250bf1b7a0dce186cef.woff2) format("woff2"),url(open-sans-v13-regular.58f917c382973e98c491.woff) format("woff"),url(open-sans-v13-regular.17e98b9e5586529b13cc.ttf) format("truetype")}@font-face{font-family:Open_Sans;font-style:normal;font-weight:600;src:url(open-sans-v13-600.81ca46fd4b32d0a55978.eot);src:local("Open Sans Semibold"),local("OpenSans-Semibold"),url(open-sans-v13-600.81ca46fd4b32d0a55978.eot?#iefix) format("embedded-opentype"),url(open-sans-v13-600.5774086c0982c08e56ea.woff2) format("woff2"),url(open-sans-v13-600.d356553ea386bb603f1d.woff) format("woff"),url(open-sans-v13-600.029b9bc9d72f4d799803.ttf) format("truetype")}@font-face{font-family:Open_Sans;font-style:italic;font-weight:400;src:url(open-sans-v13-italic.037d816c3b93f165cd5e.eot);src:local("Open Sans Italic"),local("OpenSans-Italic"),url(open-sans-v13-italic.037d816c3b93f165cd5e.eot?#iefix) format("embedded-opentype"),url(open-sans-v13-italic.8d6ddc670b28cd2f08b3.woff) format("woff"),url(open-sans-v13-italic.bdee26cfcf85c6d8028e.woff2) format("woff2"),url(open-sans-v13-italic.9585580230392fee3fdc.ttf) format("truetype")}@font-face{font-family:Soleil;font-style:normal;font-weight:400;src:url(soleil.506914c24f8c910e6b3f.woff)}@font-face{font-family:Soleil;font-style:normal;font-weight:600;src:url(soleil-bold.4c5e19f68c6023d0d1fd.woff)}@font-face{font-family:Soleil;font-style:normal;font-weight:800;src:url(soleil-extra-bold.7de35144eef26851eb7a.woff)}.btn-icon[_ngcontent-sc101]{position:relative;width:2.4285rem;height:2.4285rem}.btn-icon[_ngcontent-sc101] svg[_ngcontent-sc101]{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:1.75rem;height:1.75rem}.csl-grey-button[_ngcontent-sc101]{border:1px solid #e3e2e3;border-radius:4px;opacity:1;background-color:#fbfbfb;color:#262626;margin-left:5px}.dropshadow[_ngcontent-sc101]{box-shadow:1px 2px 4px rgba(0,0,0,.1607843137254902)}.disabled-color[_ngcontent-sc101] svg[_ngcontent-sc101]{fill:#d1d1d1}.csl-blue-button[_ngcontent-sc101]{box-shadow:1px 2px 4px rgba(0,0,0,.1607843137254902);border-radius:4px;opacity:1;background-color:#0033a0;color:#fff;margin-left:5px}.cas-button[_ngcontent-sc101]{font-size:16px;font-weight:400;letter-spacing:0;color:#fff;opacity:1}.logo-image[_ngcontent-sc101]{padding-left:3px}.navbar-brand-link[_ngcontent-sc101]{outline:none!important}</style><style ng-transition="serverApp">@font-face{font-family:Open_Sans;font-style:normal;font-weight:400;src:url(open-sans-v13-regular.54540cb1e92164ef3313.eot);src:local("Open Sans"),local("OpenSans"),url(open-sans-v13-regular.54540cb1e92164ef3313.eot?#iefix) format("embedded-opentype"),url(open-sans-v13-regular.4250bf1b7a0dce186cef.woff2) format("woff2"),url(open-sans-v13-regular.58f917c382973e98c491.woff) format("woff"),url(open-sans-v13-regular.17e98b9e5586529b13cc.ttf) format("truetype")}@font-face{font-family:Open_Sans;font-style:normal;font-weight:600;src:url(open-sans-v13-600.81ca46fd4b32d0a55978.eot);src:local("Open Sans Semibold"),local("OpenSans-Semibold"),url(open-sans-v13-600.81ca46fd4b32d0a55978.eot?#iefix) format("embedded-opentype"),url(open-sans-v13-600.5774086c0982c08e56ea.woff2) format("woff2"),url(open-sans-v13-600.d356553ea386bb603f1d.woff) format("woff"),url(open-sans-v13-600.029b9bc9d72f4d799803.ttf) format("truetype")}@font-face{font-family:Open_Sans;font-style:italic;font-weight:400;src:url(open-sans-v13-italic.037d816c3b93f165cd5e.eot);src:local("Open Sans Italic"),local("OpenSans-Italic"),url(open-sans-v13-italic.037d816c3b93f165cd5e.eot?#iefix) format("embedded-opentype"),url(open-sans-v13-italic.8d6ddc670b28cd2f08b3.woff) format("woff"),url(open-sans-v13-italic.bdee26cfcf85c6d8028e.woff2) format("woff2"),url(open-sans-v13-italic.9585580230392fee3fdc.ttf) format("truetype")}@font-face{font-family:Soleil;font-style:normal;font-weight:400;src:url(soleil.506914c24f8c910e6b3f.woff)}@font-face{font-family:Soleil;font-style:normal;font-weight:600;src:url(soleil-bold.4c5e19f68c6023d0d1fd.woff)}@font-face{font-family:Soleil;font-style:normal;font-weight:800;src:url(soleil-extra-bold.7de35144eef26851eb7a.woff)}.footer-sub-container[_ngcontent-sc102]{box-shadow:0 50vh 0 50vh #051c2c;margin-top:35px}.footer-content[_ngcontent-sc102], .footer-sub-container[_ngcontent-sc102]{background:#051c2c 0 0 no-repeat padding-box;opacity:1}.footer-content[_ngcontent-sc102]{border-top:1px solid #f7c951;color:#fff;margin:0 auto;padding:50px 0 80px;display:flex;flex-wrap:wrap;justify-content:space-between}@media screen and (max-width:880px){.footer-content[_ngcontent-sc102]{padding:50px 20px}}.footer-content[_ngcontent-sc102] a[_ngcontent-sc102]{color:#fff}.footer-content[_ngcontent-sc102] h4[_ngcontent-sc102]{font-weight:700}.footer-content[_ngcontent-sc102] .centered-container[_ngcontent-sc102]{padding-top:54px;padding-bottom:25px}.footer-services[_ngcontent-sc102]{border-right:thin solid #fbfbfb;margin-bottom:20px}@media screen and (max-width:880px){.footer-services[_ngcontent-sc102]{border:none}}@media screen and (max-width:576px){.footer-services[_ngcontent-sc102]{display:none}}.footer-side-col[_ngcontent-sc102]{margin-bottom:20px}.footer-section[_ngcontent-sc102]{flex:0 0 100%}.left-block[_ngcontent-sc102]{width:60%;display:inline-block}.right-block[_ngcontent-sc102]{width:40%}.right-block[_ngcontent-sc102], ul[_ngcontent-sc102]{display:inline-block}ul[_ngcontent-sc102]{vertical-align:middle}.footer-social[_ngcontent-sc102]{margin-top:40px}@media screen and (min-width:880px){.footer-menu[_ngcontent-sc102]{flex:0 0 49%}}@media screen and (min-width:576px){.footer-menu[_ngcontent-sc102]{flex:0 0 70%}}@media screen and (min-width:880px){.footer-social[_ngcontent-sc102]{flex:0 0 49%}}@media screen and (min-width:576px){.footer-social[_ngcontent-sc102]{flex:0 0 29%}}.footer-menu[_ngcontent-sc102] ul[_ngcontent-sc102]{margin:0;padding:0}.footer-menu[_ngcontent-sc102] li[_ngcontent-sc102]{display:inline-block;list-style:none;margin:0 35px 0 0;padding:0}@media screen and (max-width:880px){.footer-menu[_ngcontent-sc102] li[_ngcontent-sc102]{margin:0 35px 10px 0}}.footer-social[_ngcontent-sc102] ul[_ngcontent-sc102]{display:flex;justify-content:flex-start;margin:0;padding:0}@media screen and (max-width:880px){.footer-social[_ngcontent-sc102] ul[_ngcontent-sc102]{justify-content:flex-start}}.footer-social[_ngcontent-sc102] li[_ngcontent-sc102]{list-style:none;margin:0 30px 0 0;padding:0}.footer-menu[_ngcontent-sc102] a[_ngcontent-sc102]{display:inline-block}.footer-social[_ngcontent-sc102] a[_ngcontent-sc102]{background-position:50%;background-repeat:no-repeat;background-size:30px;display:block;height:0;overflow:hidden;padding:30px 0 0;text-decoration:none;width:30px}.footer-social[_ngcontent-sc102] a.linkedin[_ngcontent-sc102]{background-image:url(Lk-In-Bug_white.7b1165bc9f34608303eb.svg)}.footer-social[_ngcontent-sc102] a.twitter[_ngcontent-sc102]{background-image:url(x-logo.5ad7666d04b3c92604fa.svg)}.footer-social[_ngcontent-sc102] a.facebook[_ngcontent-sc102]{background-image:url(facebook-social-white.20148d17392155fe5887.svg)}.footer-social[_ngcontent-sc102] a.youtube[_ngcontent-sc102]{background-image:url(yt_icon_white.2689530dfed1f4c07456.svg)}.footer-contact[_ngcontent-sc102]{margin-bottom:0}@media screen and (max-width:1366px){.footer-contact[_ngcontent-sc102]{margin-bottom:32px}}@media screen and (min-width:880px){.footer-copyright[_ngcontent-sc102]{text-align:right}}@media screen and (max-width:880px){.footer-copyright[_ngcontent-sc102]{text-align:left}}@media screen and (min-width:880px){.footer-contact[_ngcontent-sc102], .footer-copyright[_ngcontent-sc102]{flex:0 0 30%}}@media screen and (max-width:880px){.footer-contact[_ngcontent-sc102], .footer-copyright[_ngcontent-sc102]{flex:0 0 100%;margin-top:20px}}.site-footer[_ngcontent-sc102]{font-family:Arial,sans-serif;clear:both;color:#fff;font-size:16px;line-height:1.5}.site-footer__nav[_ngcontent-sc102]{display:flex;column-gap:40px;flex:unset}@media screen and (max-width:900px){.site-footer__nav[_ngcontent-sc102]{display:block!important;width:90%;margin-left:auto;margin-right:auto}}.site-footer__menu[_ngcontent-sc102]{display:grid;grid-template-columns:repeat(4,1fr);margin-bottom:0;column-gap:30px;max-height:unset}@media screen and (min-width:576px) and (max-width:900px){.site-footer__menu[_ngcontent-sc102]{display:grid;grid-template-columns:repeat(2,1fr)}}@media screen and (max-width:576px){.site-footer__menu[_ngcontent-sc102]{display:flex;flex-flow:column wrap;justify-content:space-between;margin-bottom:50px}}.site-footer__link[_ngcontent-sc102]{color:#fff;text-decoration:none}.site-footer__link[_ngcontent-sc102]:hover{text-decoration:underline}.l-main[_ngcontent-sc102] .site-footer[_ngcontent-sc102] li[_ngcontent-sc102], .l-main[_ngcontent-sc102] .site-footer[_ngcontent-sc102] p[_ngcontent-sc102], .site-footer[_ngcontent-sc102] li[_ngcontent-sc102], .site-footer[_ngcontent-sc102] p[_ngcontent-sc102]{margin-bottom:10px;height:-webkit-fit-content;height:-moz-fit-content;height:fit-content}.site-footer__info-title[_ngcontent-sc102] .site-footer__link[_ngcontent-sc102], .site-footer__info-title[_ngcontent-sc102] .site-footer[_ngcontent-sc102] a[_ngcontent-sc102], .site-footer__link.site-footer__link--level-1[_ngcontent-sc102], .site-footer[_ngcontent-sc102] a.site-footer__link--level-1[_ngcontent-sc102]{font-family:Soleil,Arial,sans-serif!important;font-size:1.45rem;font-weight:600;line-height:1.25;color:#ffc72c;display:inline-block;text-underline-offset:3px;text-decoration-thickness:.05rem}.footer-container[_ngcontent-sc102]{font-family:Arial,sans-serif;background-color:#051c2c;clear:both;color:#fff;font-size:1.15rem;line-height:1.25;padding-top:40px}dl[_ngcontent-sc102], ol[_ngcontent-sc102], ul[_ngcontent-sc102]{margin:0!important;padding:0!important;list-style-type:none!important}.l-main[_ngcontent-sc102] .site-footer[_ngcontent-sc102] li.site-footer__item--level-2[_ngcontent-sc102], .site-footer[_ngcontent-sc102] li.site-footer__item--level-2[_ngcontent-sc102]{margin-bottom:10px}.site-footer__info[_ngcontent-sc102]{flex:unset;height:-webkit-fit-content;height:-moz-fit-content;height:fit-content}.site-footer__info[_ngcontent-sc102] .heading[_ngcontent-sc102]{white-space:nowrap}.site-footer[_ngcontent-sc102] .heading[_ngcontent-sc102]{margin-bottom:20px}</style><style ng-transition="serverApp">h1[_ngcontent-sc118]{margin:0 0 20px;font-size:22px;color:#262626;word-break:break-word;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;line-height:normal}.col-xs-12[_ngcontent-sc118]{padding:0 8px}.detail-content-box[_ngcontent-sc118]{background:#fff 0 0 no-repeat padding-box;box-shadow:1px 1px 1px rgba(0,0,0,.1607843137254902);border:1px solid #e3e2e3;border-radius:4px;padding:11px 13px;margin:0 auto 12px;min-width:350px}@media screen and (max-width:880px){.detail-content-box[_ngcontent-sc118]{min-width:300px}}.detail-content-box[_ngcontent-sc118] h2[_ngcontent-sc118]{font-size:18px;font-weight:700;margin:0 auto 7px}.detail-content-box[_ngcontent-sc118] h3[_ngcontent-sc118]{font-size:14px;font-weight:700;color:#727272;margin:15px auto 2px}.detail-content-box-left[_ngcontent-sc118] h3[_ngcontent-sc118]:first-child{margin-top:0}.detail-content-box-left[_ngcontent-sc118]{margin-right:7px}@media screen and (max-width:880px){.detail-content-box-left[_ngcontent-sc118]{margin:0 auto 12px}}.detail-content-box-right[_ngcontent-sc118]{margin-left:7px}@media screen and (max-width:880px){.detail-content-box-right[_ngcontent-sc118]{margin:0 auto 12px}}.detail-synonym-box[_ngcontent-sc118]{margin-left:20px;margin-bottom:10px}.detail-synonym-box[_ngcontent-sc118] ul[_ngcontent-sc118]{margin:0;padding:0}.detail-synonym-box[_ngcontent-sc118] ul[_ngcontent-sc118] li[_ngcontent-sc118]{word-break:break-word;margin-bottom:3px}.detail-image-wrapper[_ngcontent-sc118] img[_ngcontent-sc118]{width:100%;max-width:334px}.detail-error[_ngcontent-sc118]{margin-top:25px;background-color:#ffffca;border:1px solid #000;padding:5px;margin-bottom:20px}.identifier[_ngcontent-sc118]{word-break:break-all}.insight-teaser[_ngcontent-sc118]{padding-bottom:30px}.padding-bottom-40[_ngcontent-sc118]{padding-bottom:40px}</style><style ng-transition="serverApp">.license-description[_ngcontent-sc106]{text-align:left;font:normal normal normal 11px/14px Arial;letter-spacing:0;opacity:1;margin-top:25px}@media screen and (max-width:576px){.license-description[_ngcontent-sc106]{text-align:center}}.text-bg-blue[_ngcontent-sc106] a[_ngcontent-sc106]{color:#41b6e6!important}.text-white[_ngcontent-sc106]{color:#fff}.text-black[_ngcontent-sc106]{color:#262626}</style></head> <body> <!-- Google Tag Manager (noscript) --> <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-KQVQ75G" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript> <!-- End Google Tag Manager (noscript) --> <app-root _nghost-sc103="" ng-version="10.2.3"><app-loading-screen _ngcontent-sc103="" _nghost-sc46=""><!----></app-loading-screen><app-header _ngcontent-sc103="" _nghost-sc101=""><div _ngcontent-sc101="" class="navbar-wrapper"><nav _ngcontent-sc101="" class="navbar navbar-fixed-top"><div _ngcontent-sc101="" class="centered-container"><button _ngcontent-sc101="" type="button" data-toggle="collapse" data-target="#navbarTogglerCAS" aria-controls="navbarTogglerCAS" aria-expanded="false" aria-label="Toggle menu" class="navbar-toggler"><span _ngcontent-sc101="" class="navbar-toggler-icon">Menu</span></button><a _ngcontent-sc101="" tabindex="0" class="navbar-brand-link"><div _ngcontent-sc101="" class="navbar-brand"><img _ngcontent-sc101="" alt="CAS Logo" aria-label="Return To Home Page" src="assets/CAS_Common-Chemistry_logo.svg" class="logo-image"></div></a><div _ngcontent-sc101="" id="navbarTogglerCAS" class="navbar-collapse collapse" style=""><ul _ngcontent-sc101="" class="navbar-nav"><li _ngcontent-sc101="" class="nav-item"><a _ngcontent-sc101="" tabindex="0" class="nav-link"><span _ngcontent-sc101="" class="cas-button">GET API</span></a></li><li _ngcontent-sc101="" class="nav-item"><a _ngcontent-sc101="" tabindex="0" class="nav-link"><span _ngcontent-sc101="" class="cas-button">ABOUT</span></a></li><li _ngcontent-sc101="" class="nav-item"><a _ngcontent-sc101="" tabindex="0" class="nav-link"><span _ngcontent-sc101="" class="cas-button">CONTACT</span></a></li></ul></div></div></nav></div></app-header><router-outlet _ngcontent-sc103=""></router-outlet><app-detail _nghost-sc118=""><div _ngcontent-sc118="" class="centered-container"><div _ngcontent-sc118="" class="main-content"><!----><div _ngcontent-sc118="" class="row"><div _ngcontent-sc118="" class="col-lg-12 col-md-12 col-sm-12 col-xs-12"><div _ngcontent-sc118="" class="detail-error"> Get detail failed: Detail not found </div></div></div></div><!----><!----><div _ngcontent-sc118="" class="padding-bottom-40"><app-license _ngcontent-sc118="" _nghost-sc106=""><div _ngcontent-sc106="" class="license-description text-black"> CAS Common Chemistry is provided under the <a _ngcontent-sc106="" href="//creativecommons.org/licenses/by-nc/4.0/" target="_blank">Creative Commons CC BY-NC 4.0 license</a>. By using CAS Common Chemistry, you agree to the terms and conditions of this license. </div></app-license></div></div><ngx-json-ld _ngcontent-sc118=""><script type="application/ld+json"></script></ngx-json-ld></app-detail><!----><app-footer _ngcontent-sc103="" _nghost-sc102=""><div _ngcontent-sc102="" class="footer-container"><div _ngcontent-sc102="" class="centered-container"><div _ngcontent-sc102="" class="site-footer__nav site-footer"><ul _ngcontent-sc102="" class="site-footer__menu site-footer--level-1 site-footer__menu--mega"><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-1 site-footer__item--has-children"><h2 _ngcontent-sc102="" class="heading is-style-h5"><a _ngcontent-sc102="" href="https://www.cas.org/cas-solutions" target="_blank" class="site-footer__link site-footer__link--level-1">Solutions</a></h2><ul _ngcontent-sc102="" class="site-footer__sub-menu site-footer--level-2 site-footer__menu--mega"><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/solutions/cas-scifinder-discovery-platform" target="_blank" class="site-footer__link site-footer__link--level-2">CAS SciFinder Discovery Platform™</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/solutions/stn-ip-protection-suite" target="_blank" class="site-footer__link site-footer__link--level-2">STN IP Protection Suite™</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/solutions/cas-custom-services" target="_blank" class="site-footer__link site-footer__link--level-2">CAS Custom Services</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/solutions/other-solutions" target="_blank" class="site-footer__link site-footer__link--level-2">Other Solutions</a></li></ul></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-1 site-footer__item--has-children"><h2 _ngcontent-sc102="" class="heading is-style-h5"><a _ngcontent-sc102="" href="https://www.cas.org/resources" target="_blank" class="site-footer__link site-footer__link--level-1">Resources</a></h2><ul _ngcontent-sc102="" class="site-footer__sub-menu site-footer--level-2 site-footer__menu--mega"><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/resources/cas-insights" target="_blank" class="site-footer__link site-footer__link--level-2 cas-insights-link">CAS Insights</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/cas-events" target="_blank" class="site-footer__link site-footer__link--level-2">Events</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/cas-webinars" target="_blank" class="site-footer__link site-footer__link--level-2">Webinars</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/resources/white-papers" target="_blank" class="site-footer__link site-footer__link--level-2">White Papers</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/resources/case-studies" target="_blank" class="site-footer__link site-footer__link--level-2">Solution Success Stories</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://commonchemistry.cas.org" rel="noopener" class="site-footer__link site-footer__link--level-2">CAS Common Chemistry</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://cassi.cas.org" target="_blank" rel="noopener" class="site-footer__link site-footer__link--level-2">CAS Source Index (CASSI)</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/resources/chemical-safety-library" target="_blank" class="site-footer__link site-footer__link--level-2">Pistoia Chemical Safety Library</a></li></ul></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-1 site-footer__item--has-children"><h2 _ngcontent-sc102="" class="heading is-style-h5"><a _ngcontent-sc102="" href="https://www.cas.org/cas-data" target="_blank" class="site-footer__link site-footer__link--level-1">CAS Data</a></h2><ul _ngcontent-sc102="" class="site-footer__sub-menu site-footer--level-2 site-footer__menu--mega"><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/cas-data/cas-registry" target="_blank" class="site-footer__link site-footer__link--level-2">CAS REGISTRY®</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/cas-data/cas-reactions" target="_blank" class="site-footer__link site-footer__link--level-2">CAS Reactions</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/cas-data/cas-references" target="_blank" class="site-footer__link site-footer__link--level-2">CAS References</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/cas-data/cas-patents" target="_blank" class="site-footer__link site-footer__link--level-2">CAS Patents</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/cas-data/cas-commercial-sources" target="_blank" class="site-footer__link site-footer__link--level-2">CAS Commercial Sources</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/cas-formulations" target="_blank" class="site-footer__link site-footer__link--level-2">CAS Formulations</a></li></ul></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-1 site-footer__item--has-children"><h2 _ngcontent-sc102="" class="heading is-style-h5"><a _ngcontent-sc102="" href="https://www.cas.org/about-us" target="_blank" class="site-footer__link site-footer__link--level-1">About CAS</a></h2><ul _ngcontent-sc102="" class="site-footer__sub-menu site-footer--level-2 site-footer__menu--mega"><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/about-us" target="_blank" class="site-footer__link site-footer__link--level-2">Our Story</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/about/futureleaders" target="_blank" class="site-footer__link site-footer__link--level-2">CAS Future Leaders</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/cas-innovation-incubator" target="_blank" class="site-footer__link site-footer__link--level-2">CAS Innovation Incubator</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/about/press-releases" target="_blank" class="site-footer__link site-footer__link--level-2">Press Releases</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/careers" target="_blank" class="site-footer__link site-footer__link--level-2">Careers</a></li></ul></li></ul><div _ngcontent-sc102="" class="site-footer__info"><h2 _ngcontent-sc102="" class="heading is-style-h5"><a _ngcontent-sc102="" href="https://www.cas.org/contact" target="_blank" class="site-footer__link site-footer__link--level-1">CAS Customer Center</a></h2><p _ngcontent-sc102=""><a _ngcontent-sc102="" href="mailto:help@cas.org" class="site-footer__link">help@cas.org</a></p><p _ngcontent-sc102=""><a _ngcontent-sc102="" href="tel:1-8007534227" class="site-footer__link">800.753.4227 (North America)</a><br _ngcontent-sc102=""><a _ngcontent-sc102="" href="tel:1-6144473731" class="site-footer__link">614.447.3731 (Worldwide)</a></p><p _ngcontent-sc102=""><a _ngcontent-sc102="" href="https://goo.gl/maps/y7K2gChT9TDv61SQ6" target="_blank" rel="noopener" class="site-footer__link">2540 Olentangy River Road</a><br _ngcontent-sc102=""> Columbus, Ohio 43202 U.S.A.</p><div _ngcontent-sc102="" class="footer-section footer-social"><ul _ngcontent-sc102=""><li _ngcontent-sc102=""><a _ngcontent-sc102="" href="https://www.linkedin.com/company/cas" target="_blank" class="linkedin">LinkedIn</a></li><li _ngcontent-sc102=""><a _ngcontent-sc102="" href="https://www.x.com/CASChemistry" target="_blank" class="twitter">Twitter</a></li><li _ngcontent-sc102=""><a _ngcontent-sc102="" href="https://www.facebook.com/CAS" target="_blank" class="facebook">Facebook</a></li><li _ngcontent-sc102=""><a _ngcontent-sc102="" href="https://www.youtube.com/user/ChemAbstractsService/featured" target="_blank" class="youtube">YouTube</a></li></ul></div></div></div></div><div _ngcontent-sc102="" class="footer-sub-container"><div _ngcontent-sc102="" class="centered-container"><div _ngcontent-sc102="" class="footer-content"><div _ngcontent-sc102="" class="footer-section footer-menu"><ul _ngcontent-sc102=""><li _ngcontent-sc102=""><a _ngcontent-sc102="" href="https://www.cas.org/legal" target="_blank">Legal</a></li><li _ngcontent-sc102=""><a _ngcontent-sc102="" href="https://www.cas.org/legal/privacy" target="_blank">Privacy</a></li><li _ngcontent-sc102=""><a _ngcontent-sc102="" href="https://solutions.cas.org/Manage-Preferences" target="_blank">Email Preferences</a></li><li _ngcontent-sc102=""><a _ngcontent-sc102="" href="https://www.cas.org/sitemap.xml" target="_blank">Site Map</a></li><li _ngcontent-sc102=""><a _ngcontent-sc102="" href="https://www.acs.org/content/acs/en/accessibility-statement.html" target="_blank">Accessibility</a></li><!----></ul></div><div _ngcontent-sc102="" class="footer-section footer-copyright"><div _ngcontent-sc102=""><p _ngcontent-sc102="">Copyright © 2024 American Chemical Society </p></div></div></div></div></div></div></app-footer></app-root> <script src="runtime.53c1f01245e901e16bdd.js" defer=""></script><script src="polyfills.2f6c128357f3808abfad.js" defer=""></script><script src="scripts.4af5b7efc59de1b05a01.js" defer=""></script><script src="main.4e0815edcfd52ed4b900.js" defer=""></script> <script type="text/javascript" src="/_Incapsula_Resource?SWJIYLWA=719d34d31c8e3a6e6fffd425f7e032f3&ns=1&cb=1843824620" async></script></body></html>