CAS registry number

A CAS registry number is a unique number given to every chemical substance by the Chemical Abstracts Service (CAS).^[1] 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.^[2]

It now identifies more than 164 million organic and inorganic substances. 68 million protein and DNA sequences are identified also.^[2] It is updated with around 15,000 new substances everyday.^[1]

References

↑ ^1.0 ^1.1 "CAS REGISTRY - The gold standard for chemical substance information". CAS. Retrieved 2020-09-24.
↑ ^2.0 ^2.1 "CAS REGISTRY and CAS Registry Numbers". 2008-07-25. Archived from the original on 2008-07-25. Retrieved 2020-09-24.{{cite web}}: CS1 maint: bot: original URL status unknown (link)

This short article about chemistry can be made longer. You can help Wikipedia by adding to it.

[:0-1] 1.0 ^1.1 "CAS REGISTRY - The gold standard for chemical substance information". CAS. Retrieved 2020-09-24.

[:1-2] 2.0 ^2.1 "CAS REGISTRY and CAS Registry Numbers". 2008-07-25. Archived from the original on 2008-07-25. Retrieved 2020-09-24.{{cite web}}: CS1 maint: bot: original URL status unknown (link)

[1]

[2]