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是全球科学家、制造商、监管机构和数据科学家所信赖的化学物质和序列准确完整信息的标准来源。 CAS REGISTRY 是 CAS 内容合集的核心，包含超过 2.79 亿注册物质的化学名称、结构、CAS 登记号®、属性和其他数据。</p></div></div></div><div class="card__solution-feature_button-wrapper"><a aria-describedby="card-title card-subtitle card-summary" property="url" role="button" href="/zh-hans/cas-data/cas-registry" class="button is-small w-button">CTA button text</a><span class="visually-hidden">CAS REGISTRY®</span></div></article><article role="article" itemscope="" itemtype="https://schema.org/Article" aria-label="Research reactions" id="w-node-_7651ccb7-bf65-168b-0055-df3b23bbe699-23bbe699" class="card__solution-feature_component"><div class="card__solution-feature_shape"><img src="https://cdn.prod.website-files.com/650861f00f97fe8153979335/654a6394d4ff3cc3939be648_featured_solution-hex.svg" loading="lazy" itemprop="image" alt="" class="card__solution-feature_image-cover"/></div><div class="card__solution-feature_wrapper"><div class="card__solution-feature_content"><h2 id="card-title" property="name" class="card__solution-feature_title">CAS 文献</h2><h3 id="card-subtitle" property="alternativeHeadline" class="card__solution-feature_subhead">从一个多世纪以来发表的科学文献中得到见解和启示</h3><div id="card-summary" property="description" class="w-richtext"><p>CAS 文献合集汇集并连接了自 19 世纪早期以来在全球以 50 多种语言发表的数万种期刊和其他资源的科学知识。</p></div></div></div><div class="card__solution-feature_button-wrapper"><a aria-describedby="card-title card-subtitle card-summary" property="url" role="button" href="/zh-hans/cas-data/cas-references" class="button is-small w-button">CTA button text</a><span class="visually-hidden">CAS 文献</span></div></article><article role="article" itemscope="" itemtype="https://schema.org/Article" aria-label="Research reactions" id="w-node-_7651ccb7-bf65-168b-0055-df3b23bbe699-23bbe699" class="card__solution-feature_component"><div class="card__solution-feature_shape"><img src="https://cdn.prod.website-files.com/650861f00f97fe8153979335/654a6394d4ff3cc3939be648_featured_solution-hex.svg" 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反应收集是详细而可靠的合成有机反应数据的最值得信赖的来源。为超过1.5亿个单一和多步反应定义的物质作用、反应条件、产量和催化剂提供了洞察力，为高效的合成规划和扩大规模提供了支持。</p></div></div></div><div class="card__solution-feature_button-wrapper"><a aria-describedby="card-title card-subtitle card-summary" property="url" role="button" href="/zh-hans/cas-data/cas-reactions" class="button is-small w-button">探索 CAS Reactions</a><span class="visually-hidden">CAS Reactions</span></div></article><article role="article" itemscope="" itemtype="https://schema.org/Article" aria-label="Research reactions" id="w-node-_7651ccb7-bf65-168b-0055-df3b23bbe699-23bbe699" class="card__solution-feature_component"><div class="card__solution-feature_shape"><img src="https://cdn.prod.website-files.com/650861f00f97fe8153979335/654a6394d4ff3cc3939be648_featured_solution-hex.svg" loading="lazy" itemprop="image" alt="" class="card__solution-feature_image-cover"/></div><div class="card__solution-feature_wrapper"><div class="card__solution-feature_content"><h2 id="card-title" property="name" class="card__solution-feature_title">CAS 商业来源</h2><h3 id="card-subtitle" property="alternativeHeadline" class="card__solution-feature_subhead">可购买化学品的最新供应商目录清单</h3><div id="card-summary" property="description" class="w-richtext"><p>CAS 商业来源通过提供最新全球化学品目录数据的汇总信息（包括数量、价格和供应商联系信息），将研究人员与化学品供应商联系起来，以简化化学品采购过程并加快研究。</p></div></div></div><div class="card__solution-feature_button-wrapper"><a aria-describedby="card-title card-subtitle card-summary" property="url" role="button" href="/zh-hans/cas-data/cas-commercial-sources" class="button is-small w-button">CTA button text</a><span class="visually-hidden">CAS 商业来源</span></div></article><article role="article" itemscope="" itemtype="https://schema.org/Article" aria-label="Research reactions" id="w-node-_7651ccb7-bf65-168b-0055-df3b23bbe699-23bbe699" class="card__solution-feature_component"><div class="card__solution-feature_shape"><img 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testimonial-section-dark"><div class="testimonial__container"><div class="testimonial__wrapper"><blockquote class="testimonial__blockquote">“Valli 博士分享说：“在我去年访问 CAS 期间，他们向我展示了他们是如何收录数据的。有数百名科学家正在努力挖掘文献资料。其质量令人瞩目。我们完全信任 CAS 发布的数据。”</blockquote><a href="https://www.techvalidate.com/tvid/F88-FA8-815" target="_blank" class="testimonial__source-url w-inline-block"><div>来源：TechValidate。TVID：F88-FA8-815</div><div class="card__feature-link-icon 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 6v2h8.59L5 17.59L6.41 19L16 9.41V18h2V6z"></path></svg></div></a><div class="w-layout-vflex"><div class="testimonial__author-name">Dr. Marilia Valli</div><div class="testimonial__author-institution">博士后研究人员，IFSC-USP</div></div></div></div></section><section class="section"><div 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