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About CAS

CAS - Delivering The Most Complete and Effective Digital Information Environment

CAS is a team of scientists, creating and delivering the most complete and effective digital information environment for scientific research and discovery. CAS provides pathways to published research in the world's journal and patent literature - virtually everything relevant to chemistry plus a wealth of information in the life sciences and a wide range of other scientific disciplines - back to the beginning of the late 19th century.

CAS, a division of the American Chemical Society, is the most authoritative and comprehensive source for chemical information. CAS databases, including CAS REGISTRY^SM, 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^TM, as well as services, such as Science IP.

CAS and STN are represented worldwide by international representatives.

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