Skip to main content

From 24 April 2024 there will be changes to categorisation, reporting & record keeping requirements - see announcements on changes to the General Rules & changes to the Categorisation Guidelines.


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