About Chemical Abstracts Service

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    CAS, a division of the American Chemical Society, is the most  authoritative and comprehensive source for chemical information. CAS  databases, including CAS REGISTRY, the “gold standard” for substance  information, are curated and quality-controlled by a global team of  scientists. Combining these databases with advanced search and analysis  technologies, CAS delivers the most complete, cross-linked, and  effective digital information environment for scientific research and  discovery through such products as SciFinder, STN, STN Express, and STN  AnaVist, as well as services, such as Science IP. Visit our website to  learn more.

     

    Chemical Abstracts Service

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    Columbus, OH 43210
    Phone: 614-447-3600
    Fax: 614-447-3713
    Email: help@cas.org
    Web: http://www.cas.org