CINXE.COM

<!DOCTYPE html><html data-wf-domain="www.cas.org" data-wf-page="657373f9f11f0725484e93ab" data-wf-site="650861f00f97fe8153979335" lang="en"><head><meta charset="utf-8"/><title>CAS Reactions | CAS</title><link rel="alternate" hrefLang="x-default" href="https://www.cas.org/cas-data/cas-reactions"/><link rel="alternate" hrefLang="en" href="https://www.cas.org/cas-data/cas-reactions"/><link rel="alternate" hrefLang="pt-BR" href="https://www.cas.org/pt-br/cas-data/cas-reactions"/><link rel="alternate" hrefLang="ko-KR" href="https://www.cas.org/ko/cas-data/cas-reactions"/><link rel="alternate" hrefLang="es-ES" href="https://www.cas.org/es-es/cas-data/cas-reactions"/><link rel="alternate" hrefLang="zh-CN" href="https://www.cas.org/zh-hans/cas-data/cas-reactions"/><link rel="alternate" hrefLang="ja" href="https://www.cas.org/ja/cas-data/cas-reactions"/><meta content="The CAS Reactions collection provides detailed and dependable data on more than 150 million single- and multi-step reactions, including yields and conditions." name="description"/><meta content="CAS Reactions | CAS" property="og:title"/><meta content="The CAS Reactions collection provides detailed and dependable data on more than 150 million single- and multi-step reactions, including yields and conditions." property="og:description"/><meta content="CAS Reactions | CAS" property="twitter:title"/><meta content="The CAS Reactions collection provides detailed and dependable data on more than 150 million single- and multi-step reactions, including yields and conditions." property="twitter:description"/><meta property="og:type" content="website"/><meta content="summary_large_image" name="twitter:card"/><meta content="width=device-width, initial-scale=1" name="viewport"/><link href="https://cdn.prod.website-files.com/650861f00f97fe8153979335/css/cas-org.36b92ce45.min.css" rel="stylesheet" type="text/css"/><script type="text/javascript">!function(o,c){var n=c.documentElement,t=" w-mod-";n.className+=t+"js",("ontouchstart"in o||o.DocumentTouch&&c instanceof DocumentTouch)&&(n.className+=t+"touch")}(window,document);</script><link href="https://cdn.prod.website-files.com/650861f00f97fe8153979335/6585a20f2b9c762a8e082a87_cas-favicon.png" rel="shortcut icon" type="image/x-icon"/><link href="https://cdn.prod.website-files.com/650861f00f97fe8153979335/6585a218bfa3f8e706a9b92a_cas-webclip.png" rel="apple-touch-icon"/><link href="https://www.cas.org/ja/cas-data/cas-reactions" rel="canonical"/><script> window.dataLayer = window.dataLayer ||[]; function gtag(){dataLayer.push(arguments);} gtag('consent','default',{ 'ad_storage':'denied', 'analytics_storage':'denied', 'ad_user_data':'denied', 'ad_personalization':'denied', 'personalization_storage':'denied', 'functionality_storage':'granted', 'security_storage':'granted', 'wait_for_update': 500 }); gtag("set", "ads_data_redaction", true); </script> <script src="https://cmp.osano.com/16BPzAUFV1UoQ26HU/a9d65c21-17eb-4eec-b081-a08a1ff580e7/osano.js"></script> <script async src="https://www.googletagmanager.com/gtag/js?id=G-0LKKGQYK33"></script> <script type="text/javascript" src="//cdn-4.convertexperiments.com/js/10047855-100411829.js"></script>  <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-5RS86Q');</script>  <style>.box-1,.box-2{height:100%;text-align:center}*{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-o-font-smoothing:antialiased}ul.cas-list li::marker{content:"\2014"}ul li::marker{content:"\2014"}.osano-cm-drawer-toggle .osano-cm-label{color:#102a43}a{text-decoration:none}button{background-color:unset;padding:unset;text-align:inherit}section{position:relative}:where([data-container]){position:relative;width:100%;max-width:90rem;margin-right:auto;margin-left:auto;padding-top:var(--scale--scale-128px);padding-right:var(--scale--scale-32px);padding-bottom:var(--scale--scale-128px);padding-left:var(--scale--scale-32px)}.container:tiny{overflow:hidden}.em-dash-list{list-style:none;padding-left:0;margin-left:20px}.em-dash-list li{align-items:baseline}.em-dash-list li:before{content:"\2014";color:#41b6e6;display:inline-block;width:1em;margin-right:6px}.styled-table{border-collapse:collapse;margin:25px 0;font-size:1rem;font-family:sans-serif;min-width:400px;box-shadow:0 0 15px rgba(0,0,0,.15)}.styled-table thead tr{background-color:#41b6e6;color:#fff;text-align:left}.styled-table td,.styled-table th{padding:12px 15px}.styled-table tbody tr{border-bottom:1px solid #dcdcdc}.styled-table tbody tr:nth-of-type(2n){background-color:#fff}.styled-table tbody tr:last-of-type{border-bottom:2px solid #41b6e6}.styled-table tbody tr.active-row{font-weight:700;color:#41b6e6}.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.box,.col{padding:20px}.box-1{background:#0032a0;color:#fff}.box-2{background:#ffc72c;color:#0032a0}@media (max-width:600px){.grid{grid-template-columns:1fr}}</style> <style media="print"> /* Hide header and footer */ .site-header, .site-footer_component { display: none !important; } /* Remove default margins */ @page { margin: 0; } body { margin: 1cm; } </style><script type="application/ld+json"> { "@context": "http://schema.org", "@type": "WebPage", "name": "CAS Reactions | CAS", "description": "The CAS Reactions collection provides detailed and dependable data on more than 150 million single- and multi-step reactions, including yields and conditions.", "url": "https://www.cas.org/cas-data/cas-reactions", "publisher": { "@type": "Organization", "name": "CAS", "url": "https://www.cas.org", "contactPoint": { "@type": "ContactPoint", "telephone": "+1-614-447-3731", "email": "help@cas.org", "faxnumber": "1-614-447-3751", "availableLanguage": "English", "contactType": "customer service" }, "address": { "@type": "PostalAddress", "streetAddress": "2540 Olentangy River Road", "addressLocality": "Columbus", "addressRegion": "OH", "postalCode": "43202", "addressCountry": "USA" } "sameAs": [ "https://www.facebook.com/CAS", "https://twitter.com/CASChemistry", "https://www.linkedin.com/company/cas", "https://www.youtube.com/user/ChemAbstractsService/featured" ] } } </script><script src="https://cdn.prod.website-files.com/650861f00f97fe8153979335%2F6544eda5f000985a163a8687%2F671a4cc4f8d90a0a94a07cb1%2Ffinsweetcomponentsconfig-1.0.1.js" type="module" async="" siteId="650861f00f97fe8153979335" finsweet="components"></script></head><body><div class="w-embed w-iframe">  <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-5RS86Q" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript> </div><div class="page-wrapper"><header class="site-header"><div data-w-id="dff35351-dfb0-8d4f-486b-faee40785252" class="top-nav-wrapper"><div class="banner-component"><div>CAS STNext® Coffee Lecture Date searching in CAS STNext</div><a href="https://www.cas.org/resources/webinar/cas-stnext-coffee-lecture-date-searching-in-cas-stnext" class="banner__link w-inline-block"><div class="banner__text">Register now</div><div class="banner__icon w-embed"><svg width="18" height="18" viewBox="0 0 18 18" fill="none" xmlns="http://www.w3.org/2000/svg"> <path d="M10.8698 4.28285C10.5773 4.57535 10.5773 5.04785 10.8698 5.34035L13.7798 8.25035H2.40234C1.98984 8.25035 1.65234 8.58785 1.65234 9.00035C1.65234 9.41285 1.98984 9.75035 2.40234 9.75035H13.7873L10.8773 12.6603C10.5848 12.9528 10.5848 13.4254 10.8773 13.7179C11.1698 14.0104 11.6423 14.0104 11.9348 13.7179L16.1273 9.52535C16.4198 9.23285 16.4198 8.76035 16.1273 8.46785L11.9273 4.28285C11.6423 3.99035 11.1623 3.99035 10.8698 4.28285Z" fill="currentColor"/> </svg></div></a></div><div class="courtesy_nav-component"><div data-animation="default" data-collapse="small" data-duration="400" data-easing="ease" data-easing2="ease" role="banner" class="courtesy-navbar w-nav"><div class="courtesy-navbar_container"><div class="courtesy-navbar__wrapper"><div class="courtesy-navbar__search-component"><form action="/ja/search" typeof="WebSite" vocab="https://schema.org/" class="search w-form"><input class="search__input w-input" maxlength="256" name="query" typeof="SearchAction" placeholder="Search…" property="query-input" type="search" id="search" required=""/><input type="hidden" property="target" value="https://www.cas.org/search?query={search_term_string}"/><input type="submit" class="button button__search w-button" value="Search"/></form></div><div class="courtesy-navbar__language-wrapper"><nav role="navigation" class="courtesy-nav__menu w-nav-menu"><a href="/ja/training" class="courtesy-nav__link w-nav-link">Training</a><a href="/ja/contact" class="courtesy-nav__link w-nav-link">Contact</a><a href="/ja/cas-solutions-login" class="courtesy-nav__link w-nav-link">Login</a></nav><div class="menu-button-4 w-nav-button"><div class="icon-2 w-icon-nav-menu"></div></div><div data-hover="false" data-delay="0" class="language__dropdown w-dropdown"><div class="language__dropdown--toggle w-dropdown-toggle"><div class="language__dropdown--icon w-icon-dropdown-toggle"></div><div class="language__dropdown--prompt">Choose language</div></div><nav class="language__dropdown--locales w-dropdown-list"><div class="language__dropdown--locales-wrapper w-locales-list"><div role="list" class="language__dropdown--locales-list w-locales-items"><div role="listitem" class="language__dropdown--locale w-locales-item"><a hreflang="en" href="/cas-data/cas-reactions" class="language__dropdown--locale-link">English</a></div><div role="listitem" class="language__dropdown--locale w-locales-item"><a hreflang="pt-BR" href="/pt-br/cas-data/cas-reactions" class="language__dropdown--locale-link">Portuguese</a></div><div role="listitem" class="language__dropdown--locale w-locales-item"><a hreflang="ko-KR" href="/ko/cas-data/cas-reactions" class="language__dropdown--locale-link">Korean</a></div><div role="listitem" class="language__dropdown--locale w-locales-item"><a hreflang="es-ES" href="/es-es/cas-data/cas-reactions" class="language__dropdown--locale-link">Spanish</a></div><div role="listitem" class="language__dropdown--locale w-locales-item"><a hreflang="zh-CN" href="/zh-hans/cas-data/cas-reactions" class="language__dropdown--locale-link">Chinese</a></div><div role="listitem" class="language__dropdown--locale w-locales-item"><a hreflang="ja" href="/ja/cas-data/cas-reactions" aria-current="page" class="language__dropdown--locale-link w--current">Japanese</a></div></div></div></nav></div></div></div></div></div></div></div><div data-animation="default" class="site-navbar w-nav" data-easing2="ease" fs-scrolldisable-element="smart-nav" data-easing="ease" data-collapse="medium" data-w-id="215f21f3-d3c1-74ca-22fa-c34c35e3158b" role="banner" data-duration="400"><div class="site-nav__container"><a href="https://www.cas.org" class="navbar_logo-link w-nav-brand"><img src="https://cdn.prod.website-files.com/650861f00f97fe8153979335/65babbec1c38d54bcc033f7c_CAS_PREF_3C_RGB_POS.svg" loading="lazy" width="126" alt="CAS Logo" class="navbar_logo"/></a><nav role="navigation" class="site-navbar_menu is-page-height-tablet w-nav-menu"><div class="mobile-search_wrapper"><form action="/ja/search" class="mobile-search_component w-form"><input class="mobile-search_input w-input" maxlength="256" name="query" placeholder="" type="search" id="mobile-search" required=""/><input type="submit" class="mobile-search_button w-button" value="Search"/></form></div><div data-hover="false" data-delay="200" data-w-id="215f21f3-d3c1-74ca-22fa-c34c35e31596" class="navbar-main_menu-dropdown w-dropdown"><div class="navbar_dropdown-toggle w-dropdown-toggle"><div>Solutions</div><div class="dropdown-chevron w-embed"><svg width=" 100%" height=" 100%" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg"> <path fill-rule="evenodd" clip-rule="evenodd" d="M2.55806 6.29544C2.46043 6.19781 2.46043 6.03952 2.55806 5.94189L3.44195 5.058C3.53958 4.96037 3.69787 4.96037 3.7955 5.058L8.00001 9.26251L12.2045 5.058C12.3021 4.96037 12.4604 4.96037 12.5581 5.058L13.4419 5.94189C13.5396 6.03952 13.5396 6.19781 13.4419 6.29544L8.17678 11.5606C8.07915 11.6582 7.92086 11.6582 7.82323 11.5606L2.55806 6.29544Z" fill="currentColor"/> </svg></div></div><nav class="navbar-main_dropdown-list navbar-column-4-width w-dropdown-list"><div class="navbar-main_dropdown-content"><div id="w-node-da5a10a2-dd85-3827-8c9d-eb3bf354b8de-f9289f4b" class="navbar_dropdown-link-list"><div class="nav_dropdown-link-wrap"><a href="/ja/solutions/biofinder-discovery-platform" class="nav__dropdown-platform-link">CAS BioFinder Discovery Platform</a></div><div id="w-node-da5a10a2-dd85-3827-8c9d-eb3bf354b8e2-f9289f4b" class="nav_dropdown-link-wrap"><a href="/ja/solutions/cas-scifinder-discovery-platform" class="nav__dropdown-platform-link">CAS SciFinder Discovery Platform</a><div class="nav__link-list"><a href="/ja/solutions/cas-scifinder-discovery-platform/cas-scifinder" class="nav__dropdown-link w-inline-block"><div>CAS SciFinder</div></a><a href="/ja/solutions/cas-scifinder-discovery-platform/cas-formulus" class="nav__dropdown-link w-inline-block"><div>CAS Formulus</div></a><a href="/ja/solutions/cas-scifinder-discovery-platform/cas-analytical-methods" class="nav__dropdown-link w-inline-block"><div>CAS Analytical Methods</div></a></div></div></div><div id="w-node-da5a10a2-dd85-3827-8c9d-eb3bf354b8ef-f9289f4b" class="navbar_dropdown-link-list"><div class="nav_dropdown-link-wrap"><a href="/ja/solutions/stn-ip-protection-suite" class="nav__dropdown-platform-link">STN IP Protection Suite</a><div class="nav__link-list"><a href="/ja/solutions/stn-ip-protection-suite/stnext" class="nav__dropdown-link w-inline-block"><div>CAS STNext</div></a><a href="/ja/solutions/stn-ip-protection-suite/cas-scientific-patent-explorer" class="nav__dropdown-link w-inline-block"><div>CAS Scientific Patent Explorer</div></a><a href="/ja/solutions/stn-ip-protection-suite/patmon" class="nav__dropdown-link w-inline-block"><div>Fiz Patmon</div></a><a href="/ja/solutions/stn-ip-protection-suite/cas-search-guard" class="nav__dropdown-link w-inline-block"><div>CAS Search Guard</div></a></div></div></div><div id="w-node-da5a10a2-dd85-3827-8c9d-eb3bf354b900-f9289f4b" class="navbar_dropdown-link-list"><div class="nav_dropdown-link-wrap"><a href="/ja/solutions/cas-custom-services" class="nav__dropdown-platform-link">CAS Custom Services</a><div class="nav__link-list"><a href="/ja/solutions/cas-custom-services/ip-services" class="nav__dropdown-link w-inline-block"><div>CAS IP Services</div></a><a href="/ja/solutions/cas-registry-services" class="nav__dropdown-link w-inline-block"><div>CAS Registry Services</div></a></div></div></div><div id="w-node-da5a10a2-dd85-3827-8c9d-eb3bf354b90b-f9289f4b" class="navbar_dropdown-link-list"><div class="nav_dropdown-link-wrap"><a href="/ja/solutions/other-solutions" class="nav__dropdown-platform-link">Other CAS Solutions</a><div class="nav__link-list"><a href="/ja/solutions/other-solutions/cas-chemical-compliance-index" class="nav__dropdown-link w-inline-block"><div>CAS Chemical Compliance Index</div></a><a href="/ja/solutions/other-solutions/chemzent" class="nav__dropdown-link w-inline-block"><div>ChemZent</div></a><a href="/ja/solutions/other-solutions/cas-chemical-supplier-insights" class="nav__dropdown-link w-inline-block"><div>CAS Chemical Supplier Insights</div></a></div></div></div></div><a href="/ja/solutions" class="navbar_button-full-width w-inline-block"><div>View all solutions</div><div class="button-icon-small w-embed"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--ic" width="100%" height="100%" preserveAspectRatio="xMidYMid meet" viewBox="0 0 24 24"><path fill="currentColor" d="M6 7c0 .55.45 1 1 1h7.59l-8.88 8.88a.996.996 0 1 0 1.41 1.41L16 9.41V17c0 .55.45 1 1 1s1-.45 1-1V7c0-.55-.45-1-1-1H7c-.55 0-1 .45-1 1"></path></svg></div></a></nav></div><div data-hover="false" data-delay="200" data-w-id="6ce5613a-a398-6459-54a8-c1335306637d" class="navbar-main_menu-dropdown w-dropdown"><div class="navbar_dropdown-toggle w-dropdown-toggle"><div>Featured industries</div><div class="dropdown-chevron w-embed"><svg width=" 100%" height=" 100%" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg"> <path fill-rule="evenodd" clip-rule="evenodd" d="M2.55806 6.29544C2.46043 6.19781 2.46043 6.03952 2.55806 5.94189L3.44195 5.058C3.53958 4.96037 3.69787 4.96037 3.7955 5.058L8.00001 9.26251L12.2045 5.058C12.3021 4.96037 12.4604 4.96037 12.5581 5.058L13.4419 5.94189C13.5396 6.03952 13.5396 6.19781 13.4419 6.29544L8.17678 11.5606C8.07915 11.6582 7.92086 11.6582 7.82323 11.5606L2.55806 6.29544Z" fill="currentColor"/> </svg></div></div><nav class="navbar-main_dropdown-list navbar-column-2_width navbar_industries w-dropdown-list"><div class="navbar-main_dropdown-content navbar-column-2"><div class="navbar_dropdown-link-list"><div id="w-node-_6ce5613a-a398-6459-54a8-c13353066388-f9289f4b" class="nav_dropdown-link-wrap"><div class="nav__link-list"><a href="/ja/industries/agriculture" class="nav__dropdown-link w-inline-block"><div>Agriculture</div></a><a href="/ja/industries/batteries" class="nav__dropdown-link w-inline-block"><div>Batteries</div></a><a href="/ja/industries/business-of-science" class="nav__dropdown-link w-inline-block"><div>Business of Science</div></a><a href="/ja/industries/coatings-and-inks" class="nav__dropdown-link w-inline-block"><div>Coatings and Inks</div></a></div></div></div><div class="navbar_dropdown-link-list"><div class="nav_dropdown-link-wrap"><div class="nav__link-list"><a href="/ja/industries/drug-discovery" class="nav__dropdown-link w-inline-block"><div>Drug Discovery</div></a><a href="/ja/industries/electronics-and-materials" class="nav__dropdown-link w-inline-block"><div>Electronics and Materials</div></a><a href="/ja/industries/plastics-and-polymers" class="nav__dropdown-link w-inline-block"><div>Plastics and Polymers</div></a><a href="/ja/industries/sustainability" class="nav__dropdown-link w-inline-block"><div>Sustainability</div></a></div></div></div></div><a href="/ja/industries" class="navbar_button-full-width w-inline-block"><div>View all industries</div><div class="button-icon-small w-embed"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--ic" width="100%" height="100%" preserveAspectRatio="xMidYMid meet" viewBox="0 0 24 24"><path fill="currentColor" d="M6 7c0 .55.45 1 1 1h7.59l-8.88 8.88a.996.996 0 1 0 1.41 1.41L16 9.41V17c0 .55.45 1 1 1s1-.45 1-1V7c0-.55-.45-1-1-1H7c-.55 0-1 .45-1 1"></path></svg></div></a></nav></div><div data-hover="false" data-delay="200" data-w-id="f8145756-c9d7-6b6d-891c-40f169ec6d18" class="navbar-main_menu-dropdown w-dropdown"><div class="navbar_dropdown-toggle w-dropdown-toggle"><div>CAS Data</div><div class="dropdown-chevron w-embed"><svg width=" 100%" height=" 100%" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg"> <path fill-rule="evenodd" clip-rule="evenodd" d="M2.55806 6.29544C2.46043 6.19781 2.46043 6.03952 2.55806 5.94189L3.44195 5.058C3.53958 4.96037 3.69787 4.96037 3.7955 5.058L8.00001 9.26251L12.2045 5.058C12.3021 4.96037 12.4604 4.96037 12.5581 5.058L13.4419 5.94189C13.5396 6.03952 13.5396 6.19781 13.4419 6.29544L8.17678 11.5606C8.07915 11.6582 7.92086 11.6582 7.82323 11.5606L2.55806 6.29544Z" fill="currentColor"/> </svg></div></div><nav class="navbar-main_dropdown-list navbar-column-2_width w-dropdown-list"><div class="navbar-main_dropdown-content navbar-column-2"><div class="navbar_dropdown-link-list"><div id="w-node-f8145756-c9d7-6b6d-891c-40f169ec6d20-f9289f4b" class="nav_dropdown-link-wrap"><div class="nav__link-list"><a href="/ja/cas-data/cas-registry" class="nav__dropdown-link w-inline-block"><div>CAS REGISTRY®</div></a><a href="/ja/cas-data/cas-reactions" aria-current="page" class="nav__dropdown-link w-inline-block w--current"><div>CAS Reactions</div></a><a href="/ja/cas-data/cas-references" class="nav__dropdown-link w-inline-block"><div>CAS References</div></a></div></div></div><div class="navbar_dropdown-link-list"><div class="nav_dropdown-link-wrap"><div class="nav__link-list"><a href="/ja/cas-data/cas-patents" class="nav__dropdown-link w-inline-block"><div>CAS Patents</div></a><a href="/ja/cas-data/cas-commercial-sources" class="nav__dropdown-link w-inline-block"><div>CAS Commercial Sources</div></a><a href="/ja/cas-data/cas-formulations" class="nav__dropdown-link w-inline-block"><div>CAS Formulations</div></a><a href="/ja/cas-data/life-sciences-data" class="nav__dropdown-link w-inline-block"><div>CAS Life Sciences</div></a></div></div></div></div><a href="/ja/cas-data" class="navbar_button-full-width w-inline-block"><div>View all CAS Data</div><div class="button-icon-small w-embed"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--ic" width="100%" height="100%" preserveAspectRatio="xMidYMid meet" viewBox="0 0 24 24"><path fill="currentColor" d="M6 7c0 .55.45 1 1 1h7.59l-8.88 8.88a.996.996 0 1 0 1.41 1.41L16 9.41V17c0 .55.45 1 1 1s1-.45 1-1V7c0-.55-.45-1-1-1H7c-.55 0-1 .45-1 1"></path></svg></div></a></nav></div><div data-hover="false" data-delay="200" data-w-id="73ecd304-4e29-38f3-18bb-b8cd3eb6ac2b" class="navbar-main_menu-dropdown w-dropdown"><div class="navbar_dropdown-toggle w-dropdown-toggle"><div>Resources</div><div class="dropdown-chevron w-embed"><svg width=" 100%" height=" 100%" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg"> <path fill-rule="evenodd" clip-rule="evenodd" d="M2.55806 6.29544C2.46043 6.19781 2.46043 6.03952 2.55806 5.94189L3.44195 5.058C3.53958 4.96037 3.69787 4.96037 3.7955 5.058L8.00001 9.26251L12.2045 5.058C12.3021 4.96037 12.4604 4.96037 12.5581 5.058L13.4419 5.94189C13.5396 6.03952 13.5396 6.19781 13.4419 6.29544L8.17678 11.5606C8.07915 11.6582 7.92086 11.6582 7.82323 11.5606L2.55806 6.29544Z" fill="currentColor"/> </svg></div></div><nav class="navbar-main_dropdown-list navbar-column-2_width navbar_resources w-dropdown-list"><div class="navbar-main_dropdown-content navbar-column-2 navbar_resources"><div class="navbar_dropdown-link-list"><div id="w-node-_2f9fe6c6-c578-de26-c4e8-58c417e8eb54-f9289f4b" class="nav_dropdown-link-wrap"><div class="nav__link-list"><a href="/ja/resources/cas-insights" class="nav__dropdown-link w-inline-block"><div>CAS Insights</div></a><a href="/ja/cas-events" class="nav__dropdown-link w-inline-block"><div>Events</div></a><a href="/ja/cas-webinars" class="nav__dropdown-link w-inline-block"><div>Webinars</div></a><a href="/ja/resources/white-papers" class="nav__dropdown-link w-inline-block"><div>White papers</div></a></div></div></div><div class="navbar_dropdown-link-list"><div id="w-node-_2f9fe6c6-c578-de26-c4e8-58c417e8eb63-f9289f4b" class="nav_dropdown-link-wrap"><div class="nav__link-list"><a href="/ja/resources/case-studies" class="nav__dropdown-link w-inline-block"><div>Case Studies</div></a><a href="https://commonchemistry.cas.org/" class="nav__dropdown-link w-inline-block"><div>CAS Common Chemistry</div></a><a href="/ja/resources/chemical-safety-library" class="nav__dropdown-link w-inline-block"><div>CAS Chemical Safety Library</div></a><a href="https://cassi.cas.org/" class="nav__dropdown-link w-inline-block"><div>CAS Source Index (CASSI)</div></a></div></div></div></div><a href="/ja/resources" class="navbar_button-full-width w-inline-block"><div>View all resources</div><div class="button-icon-small w-embed"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--ic" width="100%" height="100%" preserveAspectRatio="xMidYMid meet" viewBox="0 0 24 24"><path fill="currentColor" d="M6 7c0 .55.45 1 1 1h7.59l-8.88 8.88a.996.996 0 1 0 1.41 1.41L16 9.41V17c0 .55.45 1 1 1s1-.45 1-1V7c0-.55-.45-1-1-1H7c-.55 0-1 .45-1 1"></path></svg></div></a></nav></div><div data-hover="false" data-delay="200" data-w-id="7cad82f7-9dad-9ea8-65e5-8a505736f212" class="navbar-main_menu-dropdown w-dropdown"><div class="navbar_dropdown-toggle w-dropdown-toggle"><div>About</div><div class="dropdown-chevron w-embed"><svg width=" 100%" height=" 100%" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg"> <path fill-rule="evenodd" clip-rule="evenodd" d="M2.55806 6.29544C2.46043 6.19781 2.46043 6.03952 2.55806 5.94189L3.44195 5.058C3.53958 4.96037 3.69787 4.96037 3.7955 5.058L8.00001 9.26251L12.2045 5.058C12.3021 4.96037 12.4604 4.96037 12.5581 5.058L13.4419 5.94189C13.5396 6.03952 13.5396 6.19781 13.4419 6.29544L8.17678 11.5606C8.07915 11.6582 7.92086 11.6582 7.82323 11.5606L2.55806 6.29544Z" fill="currentColor"/> </svg></div></div><nav class="navbar-main_dropdown-list navbar-column-2_width navbar_about w-dropdown-list"><div class="navbar-main_dropdown-content navbar-column-2"><div class="navbar_dropdown-link-list"><div id="w-node-_257986f8-6154-22b2-c35d-1ceffe0d3de8-f9289f4b" class="nav_dropdown-link-wrap"><div class="nav__link-list"><a href="/ja/about-us" class="nav__dropdown-link w-inline-block"><div>About CAS</div></a><a href="/ja/about/cas-history" class="nav__dropdown-link w-inline-block"><div>CAS Story</div></a><a href="/ja/careers" class="nav__dropdown-link w-inline-block"><div>Careers</div></a><a href="/ja/about/futureleaders" class="nav__dropdown-link w-inline-block"><div>Future Leaders</div></a></div></div></div><div class="navbar_dropdown-link-list"><div id="w-node-_257986f8-6154-22b2-c35d-1ceffe0d3df4-f9289f4b" class="nav_dropdown-link-wrap"><div class="nav__link-list"><a href="/ja/cas-innovation-incubator" class="nav__dropdown-link w-inline-block"><div>CAS Innovation Incubator</div></a><a href="/ja/about/faqs" class="nav__dropdown-link w-inline-block"><div>FAQs</div></a><a href="/ja/press-releases" class="nav__dropdown-link w-inline-block"><div>Press Releases</div></a></div></div></div></div></nav></div><div class="mobile-utility-nav_wrapper"><a href="/ja/training">Training</a><a href="/ja/cas-solutions-login">Log in</a><a href="/ja/contact">Contact</a></div><div class="mobile-locales_wrapper w-locales-list"><div data-hover="false" data-delay="0" class="mobile-locales_dropdown w-dropdown"><div class="mobile-locales_dropdown-toggle w-dropdown-toggle"><div class="w-icon-dropdown-toggle"></div><div>Japanese</div></div><nav class="mobile-locales_dropdown-list w-dropdown-list"><div role="list" class="locales-list w-locales-items"><div role="listitem" class="locale_link w-locales-item"><a hreflang="en" href="/cas-data/cas-reactions" class="locale_link">English</a></div><div role="listitem" class="locale_link w-locales-item"><a hreflang="pt-BR" href="/pt-br/cas-data/cas-reactions" class="locale_link">Portuguese</a></div><div role="listitem" class="locale_link w-locales-item"><a hreflang="ko-KR" href="/ko/cas-data/cas-reactions" class="locale_link">Korean</a></div><div role="listitem" class="locale_link w-locales-item"><a hreflang="es-ES" href="/es-es/cas-data/cas-reactions" class="locale_link">Spanish</a></div><div role="listitem" class="locale_link w-locales-item"><a hreflang="zh-CN" href="/zh-hans/cas-data/cas-reactions" class="locale_link">Chinese</a></div><div role="listitem" class="locale_link w-locales-item"><a hreflang="ja" href="/ja/cas-data/cas-reactions" aria-current="page" class="locale_link w--current">Japanese</a></div></div></nav></div></div></nav><div class="navbar12_menu-button w-nav-button"><div class="menu-icon1"><div class="menu-icon1_line-top"></div><div class="menu-icon1_line-middle"><div class="menu-icon_line-middle-inner"></div></div><div class="menu-icon1_line-bottom"></div></div></div></div></div></header><main itemtype="https://schema.org/Organization" role="main" itemscope="" class="main-wrapper"><div><section class="page-hero_component"><div class="page-hero_overlay"><img src="https://cdn.prod.website-files.com/650861f00f97fe8153979335/65b9650b65450d7eb246fc09_promo-hero.svg" loading="eager" width="1920" height="1080" alt="Hexagon shaped overlay" class="page-hero_overlay-image"/></div><div class="page-hero_container"><div class="page-hero_content-wrapper"><div id="w-node-_3fea4614-1c99-10dc-b32a-570832848fee-32848fea" class="page-hero_content"><h1 id="w-node-_3fea4614-1c99-10dc-b32a-570832848fef-32848fea" class="page-hero_title">CAS Reactions</h1><p id="w-node-_3fea4614-1c99-10dc-b32a-570832848ff1-32848fea" class="page-hero_summary">The CAS reactions collection provides detailed and dependable data on more than 150 million single and multi-step reactions.</p><a href="/ja/contact" class="button is-small w-button">Contact us</a></div></div></div><div class="page-hero_background-overlay"><img src="https://cdn.prod.website-files.com/650861f00f97fe8153979335/65df495d181d6b3548c955f7_substances-reactions-1920x1080.webp" loading="eager" width="1920" height="1080" alt="" sizes="100vw" srcset="https://cdn.prod.website-files.com/650861f00f97fe8153979335/65df495d181d6b3548c955f7_substances-reactions-1920x1080-p-500.webp 500w, https://cdn.prod.website-files.com/650861f00f97fe8153979335/65df495d181d6b3548c955f7_substances-reactions-1920x1080-p-800.webp 800w, https://cdn.prod.website-files.com/650861f00f97fe8153979335/65df495d181d6b3548c955f7_substances-reactions-1920x1080.webp 920w" class="page-hero_background-overlay-image"/></div></section></div><nav aria-label="Breadcrumb" class="section__breadcrumbs"><div class="container-breadcrumbs"><ol typeof="BreadcrumbList" vocab="https://schema.org/" role="list" class="breadcrumbs w-list-unstyled"><li typeof="ListItem" property="itemListElement" class="breadcrumbs__list-item"><a href="/ja" typeof="WebPage" property="item" class="breadcrumbs__item-link w-inline-block"><div property="name" class="breadcrumbs__list-item--text">Home</div></a><meta property="position" content="1"/><div class="breadcrumbs__separator w-embed"><svg width="32" height="32" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg"> <path d="M20 8L11 23.5885" stroke="currentColor" stroke-width="1.5"/> </svg></div></li><li typeof="ListItem" property="itemListElement" class="breadcrumbs__list-item"><a href="/ja/cas-data" typeof="WebPage" property="item" class="breadcrumbs__item-link w-inline-block"><div property="name" class="breadcrumbs__list-item--text">CAS Data</div></a><meta property="position" content="2"/><div class="breadcrumbs__separator w-embed"><svg width="32" height="32" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg"> <path d="M20 8L11 23.5885" stroke="currentColor" stroke-width="1.5"/> </svg></div></li><li typeof="ListItem" property="itemListElement" class="breadcrumbs__list-item"><div property="name" class="breadcrumbs__list-item--text">CAS Reactions</div><meta property="position" content="3"/></li></ol></div></nav><section class="section section-features"><div class="container"><div class="section__header"><h2 class="section__feature-title">Features</h2></div><div class="w-layout-grid grid-column-3"><div class="card__feature"><div class="card__feature--left-border"></div><div class="card__feature--content"><div class="card__feature-icon-wrapper"><img src="https://cdn.prod.website-files.com/650861f00f97fe8153979335/662fd86f65a8514c026cd8bc_CAS_Icons_Final_RGB_Patents.svg" loading="lazy" width="92" height="92" alt="" class="card__feature-icon"/></div><div class="rich-text_features w-richtext"><p>More than 150 million single- and multi-step reactions published in journals, patents, dissertations, and other sources since 1840.</p></div></div></div><div class="card__feature"><div class="card__feature--left-border"></div><div class="card__feature--content"><div class="card__feature-icon-wrapper"><img src="https://cdn.prod.website-files.com/650861f00f97fe8153979335/662fd861c5a3e2efd6e69abf_CAS_Icons_Final_RGB_Efficient.svg" loading="lazy" width="92" height="92" alt="" class="card__feature-icon"/></div><div class="rich-text_features w-richtext"><p>Covers organic and organometallic reactions. Total syntheses of natural products, and biotransformation reactions.</p></div></div></div><div class="card__feature"><div class="card__feature--left-border"></div><div class="card__feature--content"><div class="card__feature-icon-wrapper"><img src="https://cdn.prod.website-files.com/650861f00f97fe8153979335/662fd876de014beeddefcd5e_CAS_Icons_Final_RGB_Reactions.svg" loading="lazy" width="92" height="92" alt="" class="card__feature-icon"/></div><div class="rich-text_features w-richtext"><p>Scientist-curated and enhanced with yield data, detailed reaction conditions, defined substance roles, and experimental procedures.</p></div></div></div><div class="card__feature"><div class="card__feature--left-border"></div><div class="card__feature--content"><div class="card__feature-icon-wrapper"><img src="https://cdn.prod.website-files.com/650861f00f97fe8153979335/662fd8632faf45170719f085_CAS_Icons_Final_RGB_Experimental%20Activity.svg" loading="lazy" width="92" height="92" alt="" class="card__feature-icon"/></div><div class="rich-text_features w-richtext"><p>Daily updates keep you current on the most recent discoveries.</p></div></div></div><div class="card__feature"><div class="card__feature--left-border"></div><div class="card__feature--content"><div class="card__feature-icon-wrapper"><img src="https://cdn.prod.website-files.com/650861f00f97fe8153979335/662fd87e4420d482ef42b101_CAS_Icons_Final_RGB_Up%20To%20Date.svg" loading="lazy" width="92" height="92" alt="" class="card__feature-icon"/></div><div class="rich-text_features w-richtext"><p>Connections to relevant publications, substance properties, suppliers, and more within the CAS Content Collection™.</p></div></div></div><div class="card__feature"><div class="card__feature--left-border"></div><div class="card__feature--content"><div class="card__feature-icon-wrapper"><img src="https://cdn.prod.website-files.com/650861f00f97fe8153979335/662fd85a0af5c3573e1384ec_CAS_Icons_Final_RGB_Content.svg" loading="lazy" width="92" height="92" alt="" class="card__feature-icon"/></div><div class="rich-text_features w-richtext"><p>Searchable by structure, reaction role, functional group, reaction site, atom mapping, and more.</p></div></div></div></div></div></section><section class="section background_blue-grey"><div class="container"><div class="section__header"><h2>Latest from CAS Insights™</h2></div><div class="insights-cms-items_wrapper w-dyn-list"><div role="list" class="grid-column-3 w-dyn-items"><div role="listitem" class="insights-cms-items_list-item w-dyn-item"><div typeof="Article" vocab="" id="w-node-a20cb0dd-b9df-6a0b-dbc5-c6732757fde8-2757fde8" class="card"><img class="card__image" src="https://cdn.prod.website-files.com/650867962272bf8f15c1034b/67111194cdea08bafca6eb87_GettyImages-2024720440_CAS-Insights-Hero-Image.jpg" width="1024" height="576" alt="" sizes="(max-width: 1439px) 33vw, 480px" property="image" loading="lazy" srcset="https://cdn.prod.website-files.com/650867962272bf8f15c1034b/67111194cdea08bafca6eb87_GettyImages-2024720440_CAS-Insights-Hero-Image-p-500.jpg 500w, https://cdn.prod.website-files.com/650867962272bf8f15c1034b/67111194cdea08bafca6eb87_GettyImages-2024720440_CAS-Insights-Hero-Image-p-800.jpg 800w, https://cdn.prod.website-files.com/650867962272bf8f15c1034b/67111194cdea08bafca6eb87_GettyImages-2024720440_CAS-Insights-Hero-Image.jpg 1920w"/><div property="articleSection" fs-cmsfilter-field="resource" class="card__eyebrow">Sustainability</div><div class="card__body"><div class="card__webinar-block"></div><a itemprop="url" href="/ja/resources/cas-insights/solar-panel-recycling" class="card__title-link w-inline-block"><h2 property="headline" class="card__title">How to improve solar panel recycling</h2></a><div itemprop="description" class="card__summary-text-field">As solar panel usage increases, researchers are looking for new methods to tackle PV waste.</div><div class="card__date-meta-block"><time property=""datePublished"" datetime="">October 18, 2024</time><span>|</span><span>Article</span></div><div class="card__feature-solution--wrapper"></div></div><div class="button-wrapper button-wrapper-full-width"><a href="/ja/resources/cas-insights/solar-panel-recycling" class="button is-small w-button">Read article</a></div></div></div><div role="listitem" class="insights-cms-items_list-item w-dyn-item"><div typeof="Article" vocab="" id="w-node-a20cb0dd-b9df-6a0b-dbc5-c6732757fde8-2757fde8" class="card"><img class="card__image" src="https://cdn.prod.website-files.com/650867962272bf8f15c1034b/66eb44baaec2d965abc8a429_GettyImages-1395711633_CAS-Insights-Hero-Image.jpg" width="1024" height="576" alt="" sizes="(max-width: 1439px) 33vw, 480px" property="image" loading="lazy" srcset="https://cdn.prod.website-files.com/650867962272bf8f15c1034b/66eb44baaec2d965abc8a429_GettyImages-1395711633_CAS-Insights-Hero-Image-p-500.jpg 500w, https://cdn.prod.website-files.com/650867962272bf8f15c1034b/66eb44baaec2d965abc8a429_GettyImages-1395711633_CAS-Insights-Hero-Image-p-800.jpg 800w, https://cdn.prod.website-files.com/650867962272bf8f15c1034b/66eb44baaec2d965abc8a429_GettyImages-1395711633_CAS-Insights-Hero-Image-p-1080.jpg 1080w, https://cdn.prod.website-files.com/650867962272bf8f15c1034b/66eb44baaec2d965abc8a429_GettyImages-1395711633_CAS-Insights-Hero-Image.jpg 1920w"/><div property="articleSection" fs-cmsfilter-field="resource" class="card__eyebrow">Digital R&D</div><div class="card__body"><div class="card__webinar-block"></div><a itemprop="url" href="/ja/resources/cas-insights/defining-the-path-to-tbk1-inhibition-with-qsar-modeling" class="card__title-link w-inline-block"><h2 property="headline" class="card__title">QSAR モデリングによる TBK1 阻害への道筋を定義する</h2></a><div itemprop="description" class="card__summary-text-field">TBK1 (TANK-binding kinase) が多くの疾患の病態生理学において重要な役割を果たしているにもかかわらず、なぜ FDA 承認された TBK1 阻害剤が市場に出ていないのでしょうか。</div><div class="card__date-meta-block"><time property=""datePublished"" datetime="">September 19, 2024</time><span>|</span><span>Insights Report</span></div><div class="card__feature-solution--wrapper"></div></div><div class="button-wrapper button-wrapper-full-width"><a href="/ja/resources/cas-insights/defining-the-path-to-tbk1-inhibition-with-qsar-modeling" class="button is-small w-button">Read article</a></div></div></div><div role="listitem" class="insights-cms-items_list-item w-dyn-item"><div typeof="Article" vocab="" id="w-node-a20cb0dd-b9df-6a0b-dbc5-c6732757fde8-2757fde8" class="card"><img class="card__image" src="https://cdn.prod.website-files.com/650867962272bf8f15c1034b/66e061b35c6509d0524d47bb_GettyImages-683737105_CAS-Insights-Hero-Image.jpeg" width="1024" height="576" alt="" sizes="(max-width: 1439px) 33vw, 480px" property="image" loading="lazy" srcset="https://cdn.prod.website-files.com/650867962272bf8f15c1034b/66e061b35c6509d0524d47bb_GettyImages-683737105_CAS-Insights-Hero-Image-p-500.jpeg 500w, https://cdn.prod.website-files.com/650867962272bf8f15c1034b/66e061b35c6509d0524d47bb_GettyImages-683737105_CAS-Insights-Hero-Image-p-800.jpeg 800w, https://cdn.prod.website-files.com/650867962272bf8f15c1034b/66e061b35c6509d0524d47bb_GettyImages-683737105_CAS-Insights-Hero-Image-p-1080.jpeg 1080w, https://cdn.prod.website-files.com/650867962272bf8f15c1034b/66e061b35c6509d0524d47bb_GettyImages-683737105_CAS-Insights-Hero-Image-p-1600.jpeg 1600w, https://cdn.prod.website-files.com/650867962272bf8f15c1034b/66e061b35c6509d0524d47bb_GettyImages-683737105_CAS-Insights-Hero-Image.jpeg 1920w"/><div property="articleSection" fs-cmsfilter-field="resource" class="card__eyebrow">Biotechnology</div><div class="card__body"><div class="card__webinar-block"></div><a itemprop="url" href="/ja/resources/cas-insights/better-safety-better-performance-how-sensors-change-the-game" class="card__title-link w-inline-block"><h2 property="headline" class="card__title">Better safety, better performance: How sensors change the game</h2></a><div itemprop="description" class="card__summary-text-field">Science and wearable tech go hand in hand to provide athletes with precise, personalized information to improve their performance.</div><div class="card__date-meta-block"><time property=""datePublished"" datetime="">September 13, 2024</time><span>|</span><span>Article</span></div><div class="card__feature-solution--wrapper"></div></div><div class="button-wrapper button-wrapper-full-width"><a href="/ja/resources/cas-insights/better-safety-better-performance-how-sensors-change-the-game" class="button is-small w-button">Read article</a></div></div></div></div></div><div class="button-wrapper cas-insights-button-wrapper"><a href="/ja/resources/cas-insights" class="button is-small w-button">View all CAS Insights</a></div></div></section></main><footer class="site-footer_component"><section class="section"><div class="container"><div class="grid-column-5"><div class="site-footer_link-list"><div class="margin-bottom margin-xsmall"><div class="site-footer_heading">Solutions</div></div><a href="/ja/solutions/biofinder-discovery-platform" class="site-footer_link">CAS BioFinder Discovery Platform™</a><a href="/ja/solutions/cas-scifinder-discovery-platform" class="site-footer_link">CAS SciFinder Discovery Platform™</a><a href="/ja/solutions/stn-ip-protection-suite" class="site-footer_link">STN IP Protection Suite™</a><a href="/ja/solutions/cas-custom-services" class="site-footer_link">CAS Custom Services</a><a href="/ja/solutions/other-solutions" class="site-footer_link">Other Solutions</a></div><div class="site-footer_link-list"><div class="margin-bottom margin-xsmall"><div class="site-footer_heading">Resources</div></div><a href="/ja/resources/cas-insights" class="site-footer_link">CAS Insights</a><a href="/ja/cas-events" class="site-footer_link">Events</a><a href="/ja/cas-webinars" class="site-footer_link">Webinars</a><a href="/ja/resources/white-papers" class="site-footer_link">White papers</a><a href="/ja/resources/case-studies" class="site-footer_link">Case studies</a><a href="https://commonchemistry.cas.org/" class="site-footer_link">CAS Common Chemistry</a><a href="https://cassi.cas.org/" class="site-footer_link">CAS Source Index (CASSI)</a></div><div class="site-footer_link-list"><div class="margin-bottom margin-xsmall"><div class="site-footer_heading">CAS Data</div></div><a href="/ja/cas-data/cas-registry" class="site-footer_link">CAS REGISTRY®</a><a href="/ja/cas-data/cas-reactions" aria-current="page" class="site-footer_link w--current">CAS Reactions</a><a href="/ja/cas-data/cas-references" class="site-footer_link">CAS References</a><a href="/ja/cas-data/cas-patents" class="site-footer_link">CAS Patents</a><a href="/ja/cas-data/cas-commercial-sources" class="site-footer_link">CAS Commercial Sources</a><a href="/ja/cas-data/cas-formulations" class="site-footer_link">CAS Formulations</a></div><div class="site-footer_link-list"><div class="margin-bottom margin-xsmall"><div class="site-footer_heading">About CAS</div></div><a href="/ja/about-us" class="site-footer_link">Our story</a><a href="/ja/careers" class="site-footer_link">Careers</a><a href="/ja/about/futureleaders" class="site-footer_link">CAS Future Leaders</a><a href="/ja/cas-innovation-incubator" class="site-footer_link">CAS Innovation Incubator</a><a href="/ja/press-releases" class="site-footer_link">Press Releases</a></div><div class="site-footer_right-wrapper"><div class="margin-bottom margin-xsmall"><div class="site-footer_heading">CAS Customer Center</div></div><div class="margin-bottom margin-xsmall is-small-mobile"><div class="text-size-small"><a href="mailto:help@cas.org" class="site-footer_link">help@cas.org</a></div><div class="text-size-small"><a href="tel:+1-800-753-4227" class="site-footer_link">800.753.4227 (North America)</a></div><div class="text-size-small"><a href="tel:+1-614-447-3731" class="site-footer_link">614.447.3731 (Worldwide)</a></div><div class="text-size-small"><a href="https://goo.gl/maps/y7K2gChT9TDv61SQ6" class="site-footer_link">2540 Olentangy River Road<br/>Columbus, Ohio 43202 U.S.A</a></div></div><a href="/ja/contact" class="button is-small w-button">Contact us</a></div></div><div class="site-footer_divider"></div><div class="footer_bottom-wrapper"><div class="w-layout-grid footer_legal-list"><div id="w-node-_9015492a-b7f3-be43-cf28-dfe12f081ccc-2f081c75" class="footer10_credit-text">Copyright © 2024 American Chemical Society</div><a href="/ja/legal" class="site-footer_legal-link">Legal</a><a href="/ja/legal/privacy" class="site-footer_legal-link">Privacy</a><a href="https://solutions.cas.org/Manage-Preferences" class="site-footer_legal-link">Email preferences</a><a href="https://www.acs.org/accessibility-statement.html" class="site-footer_legal-link">Accessibility</a><a id="w-node-a2b696ea-1601-ffae-3b03-3766d928fd0d-2f081c75" class="site-footer_legal-link" href="#">Cookie preferences</a></div><div class="w-layout-grid footer_social-list"><a href="https://www.facebook.com/CAS" target="_blank" class="site-footer_social-link w-inline-block"><div class="icon-embed-xsmall w-embed"><svg width="100%" height="100%" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"> <path d="M22 12.0611C22 6.50451 17.5229 2 12 2C6.47715 2 2 6.50451 2 12.0611C2 17.0828 5.65684 21.2452 10.4375 22V14.9694H7.89844V12.0611H10.4375V9.84452C10.4375 7.32296 11.9305 5.93012 14.2146 5.93012C15.3088 5.93012 16.4531 6.12663 16.4531 6.12663V8.60261H15.1922C13.95 8.60261 13.5625 9.37822 13.5625 10.1739V12.0611H16.3359L15.8926 14.9694H13.5625V22C18.3432 21.2452 22 17.083 22 12.0611Z" fill="CurrentColor"/> </svg></div></a><a href="https://www.twitter.com/CASChemistry" target="_blank" class="site-footer_social-link w-inline-block"><div class="icon-embed-xsmall w-embed"><svg width="100%" height="100%" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"> <path d="M17.1761 4H19.9362L13.9061 10.7774L21 20H15.4456L11.0951 14.4066L6.11723 20H3.35544L9.80517 12.7508L3 4H8.69545L12.6279 9.11262L17.1761 4ZM16.2073 18.3754H17.7368L7.86441 5.53928H6.2232L16.2073 18.3754Z" fill="CurrentColor"/> </svg></div></a><a href="https://www.linkedin.com/company/cas" target="_blank" class="site-footer_social-link w-inline-block"><div class="icon-embed-xsmall w-embed"><svg width="100%" height="100%" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"> <path fill-rule="evenodd" clip-rule="evenodd" d="M4.5 3C3.67157 3 3 3.67157 3 4.5V19.5C3 20.3284 3.67157 21 4.5 21H19.5C20.3284 21 21 20.3284 21 19.5V4.5C21 3.67157 20.3284 3 19.5 3H4.5ZM8.52076 7.00272C8.52639 7.95897 7.81061 8.54819 6.96123 8.54397C6.16107 8.53975 5.46357 7.90272 5.46779 7.00413C5.47201 6.15897 6.13998 5.47975 7.00764 5.49944C7.88795 5.51913 8.52639 6.1646 8.52076 7.00272ZM12.2797 9.76176H9.75971H9.7583V18.3216H12.4217V18.1219C12.4217 17.742 12.4214 17.362 12.4211 16.9819V16.9818V16.9816V16.9815V16.9812C12.4203 15.9674 12.4194 14.9532 12.4246 13.9397C12.426 13.6936 12.4372 13.4377 12.5005 13.2028C12.7381 12.3253 13.5271 11.7586 14.4074 11.8979C14.9727 11.9864 15.3467 12.3141 15.5042 12.8471C15.6013 13.1803 15.6449 13.5389 15.6491 13.8863C15.6605 14.9339 15.6589 15.9815 15.6573 17.0292V17.0294C15.6567 17.3992 15.6561 17.769 15.6561 18.1388V18.3202H18.328V18.1149C18.328 17.6629 18.3278 17.211 18.3275 16.7591V16.759V16.7588C18.327 15.6293 18.3264 14.5001 18.3294 13.3702C18.3308 12.8597 18.276 12.3563 18.1508 11.8627C17.9638 11.1286 17.5771 10.5211 16.9485 10.0824C16.5027 9.77019 16.0133 9.5691 15.4663 9.5466C15.404 9.54401 15.3412 9.54062 15.2781 9.53721L15.2781 9.53721L15.2781 9.53721C14.9984 9.52209 14.7141 9.50673 14.4467 9.56066C13.6817 9.71394 13.0096 10.0641 12.5019 10.6814C12.4429 10.7522 12.3852 10.8241 12.2991 10.9314L12.2991 10.9315L12.2797 10.9557V9.76176ZM5.68164 18.3244H8.33242V9.76733H5.68164V18.3244Z" fill="CurrentColor"/> </svg></div></a><a href="https://www.youtube.com/user/ChemAbstractsService/featured" target="_blank" class="site-footer_social-link w-inline-block"><div class="icon-embed-xsmall w-embed"><svg width="100%" height="100%" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"> <path fill-rule="evenodd" clip-rule="evenodd" d="M20.5686 4.77345C21.5163 5.02692 22.2555 5.76903 22.5118 6.71673C23.1821 9.42042 23.1385 14.5321 22.5259 17.278C22.2724 18.2257 21.5303 18.965 20.5826 19.2213C17.9071 19.8831 5.92356 19.8015 3.40294 19.2213C2.45524 18.9678 1.71595 18.2257 1.45966 17.278C0.827391 14.7011 0.871044 9.25144 1.44558 6.73081C1.69905 5.78311 2.44116 5.04382 3.38886 4.78753C6.96561 4.0412 19.2956 4.282 20.5686 4.77345ZM9.86682 8.70227L15.6122 11.9974L9.86682 15.2925V8.70227Z" fill="CurrentColor"/> </svg></div></a></div></div></div></section></footer></div><script src="https://d3e54v103j8qbb.cloudfront.net/js/jquery-3.5.1.min.dc5e7f18c8.js?site=650861f00f97fe8153979335" type="text/javascript" integrity="sha256-9/aliU8dGd2tb6OSsuzixeV4y/faTqgFtohetphbbj0=" crossorigin="anonymous"></script><script src="https://cdn.prod.website-files.com/650861f00f97fe8153979335/js/cas-org.c883ab660.js" type="text/javascript"></script><script type="text/javascript" src="/_Incapsula_Resource?SWJIYLWA=719d34d31c8e3a6e6fffd425f7e032f3&ns=1&cb=2006786126" async></script></body></html>