Cas (chemical abstracts service) is a division of the american chemical society. It is a source of chemical information and is located in columbus, ohio, united states. The chemindex database is a free tool for finding information on over 1,800,000 distinct chemical substances.

A free and … Quickly confirm chemical names, cas registry numbers®, structures or basic physical properties by searching compounds of general interest or leveraging an api connection. Cas registry®, the cas substance collection, is the premier source relied upon by scientists and regulators worldwide for accurate information on chemical substances. Founded in 1914, the cas is the world’s only actuarial organization focused exclusively on property and casualty risks and serves over 11,000 members worldwide.