CAS registry number
A CAS Registry Number is a unique number given to every chemical substance by the Chemical Abstracts Service (CAS). It is also called CASRN or CAS Number. CAS Registry Number is also given to organic, inorganic compounds, minerals, isotopes, alloys. They are numbers ending with a check digit. They do not contain any structure information of the chemical.
- "CAS REGISTRY - The gold standard for chemical substance information". CAS. Retrieved 2020-09-24.
- "CAS REGISTRY and CAS Registry Numbers". web.archive.org. 2008-07-25. Retrieved 2020-09-24.