The Chemical Abstract Service (CAS) and PubChem are fairly well known. The Beilstein database is the largest database in the field of organic chemistry, in which compounds are uniquely identified by their Beilstein Registry Number. The database covers scientific literature from 1771 to the present and contains experimentally validated ...

Dedicated June 14, 2007, at the Chemical Abstracts Service in Columbus, Ohio. Commemorative Booklet (PDF) The Chemical Abstracts Service, a division of the American Chemical Society, has provided the most comprehensive repository of research in chemistry and related sciences for over 100 years.

SciFinder, a resource from the Chemical Abstracts Service (CAS), is a curated database of chemical and bibliographic information that covers several scientific and biomedical fields, with an emphasis on chemistry.

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“CAS celebrates one hundred years of service to world science as an integral part of the American Chemical Society. That is a century in pursuit of a single mission—abstracts to provide access to chemical and related information that speeds and enables

CAS Source Index (CASSI) Look Up Tool

Service Description. The CASSI Search Tool is a complimentary resource that can be used to quickly and easily look up or confirm publication titles and abbreviations in an accessible electronic format. It is provided by CAS as a public service.

Substance Search. Welcome to Common Chemistry ™ from Chemical Abstracts Service (CAS), a web resource that contains CAS Registry Numbers for approximately 7,900 chemicals of widespread general public interest. Common Chemistry is helpful to non-chemists who know either a name or CAS Registry Number ® of a common chemical and want to pair both pieces of information.