Chemical Abstracts Service

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Chemical Abstracts Service (CAS), a division of the American Chemical Society, is an authority for chemical information. The secure databases, including CAS REGISTRY, are curated and quality-controlled by CAS scientists, and recognized by chemical and pharmaceutical companies, universities, government organizations, and patent offices around the world.[1] CAS combines these databases with advanced search and analysis technolgies (SciFinder®, STN®, and Science IP® products and services.

CAS features both patent and journal article data and CAS REGISTRY data notably includes:[2]

  • literature references to the substance
  • experimental and predicted property data (boiling and melting points, etc.)
  • commercial availability
  • preparative methods
  • spectra
  • regulatory information from international sources


  1. "CAS Chemistry Research Report: 40 Years of Biofuel Research Reveal China Now Atop U.S. in Patenting and Commercialization of Bioethanol." PR Newswire Website Accessed July 14, 2010
  2. "CAS REGISTRY - The gold standard for substance information." CAS Website Accessed on July 14, 2010.

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