Skip to main content



CAS was formerly the ‘Chemical Abstracts Service’ and is a division of the American Chemical Society. CAS Registry Numbers and CAS names are used on the Australian Inventory of Industrial Chemicals (Inventory) to uniquely identify chemicals.

Was this page helpful?
For broken links or technical issues, please provide as much detail as possible. Do not include your name, email address and other personal or commercially sensitive information.

Keep informed with updates