What is a CAS number ?

CAS Number (Chemical Abstract Service Number)



A CAS Number (Chemical Abstracts Service) is a Registry Number which is a unique identifier for a certain chemical element, substance, or compound regardless of how many names it has (IUPAC and other names).What is a CAS Number ?


Also, from a safety and inventory perspective, the CAS # is a great registry reference for indexed chemicals.

For instance, in year 2015, we know there were almost 101 million unique chemical substances indexed by CAS. In addition to 66 million protein and nucleic acid sequences.

Finally, it is worth mentioning  that the Chemical Abstracts Service, is a division of the American Chemical Society.


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What is a CAS number ? was last modified: October 15th, 2017 by Cigorette Inc | Electronic Cigarettes and Liquids Canada
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