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Once your registration is confirmed and activated, click on the “Connect to Resource” button above to search SciFinder from anywhere.

SciFinder, produced by Chemical Abstracts Service (CAS), is the most comprehensive database for the chemical literature, indexing journal articles and patent records (and other document types), as well as chemical substances and reactions. You can search by topic, author, and substances by name or CAS Registry Number, OR use the editor to draw chemical structures, substructures, or reactions.

The databases include: CAplus (Chemical Abstracts), REGISTRY, CASREACT (chemical reactions database), CHEMCATS (commercially available chemical information), CHEMLIST (regulated chemical information), and MEDLINE (biomedical literature worldwide).


CAplus: 1907 to date, plus over 44,000 records for journal articles dated before 1907

MEDLINE: 1950 to date

REGISTRY: 1957 to date, plus many substances dating back to 1907

CASREACT: 1840 to date

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