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Chemistry literature and chemical substance information


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Provides access to several Chemical Abstracts Service databases, including Chemical Abstracts, Registry, CASREACT, CHEMLIST, CHEMCAT, and MEDLINE.

  • More than 19 million citations to the chemistry literature searchable by topic, author, CAS Registry NumbersĀ®, patent number, and CAS abstract number.
  • Over 22 million chemical substances searchable by chemical name, chemical structure, CAS Registry NumbersĀ®, and formula.
  • Coverage: Chemical Abstracts (1947- ); Registry (1957- ); CASREACT (1985-); MEDLINE (1951-).