REACH24H Consulting Group

Value in Compliance

Chemical Abstracts Service

  • PDF

The CAS Registry database is the most authoritative collection of chemical substance information, containing more than 56 million organic and inorganic substances. CAS Rsgistry covers substances identified from the scientific literature from 1957 to the present, with additional substances going back to the early 1900s.


CAS Registry Number (CASRN) is a Registered Trademark of the American Chemical Society (ACS), which is a congressionally chartered independent membership organization that represents professionals at all degree levels and in all fields of chemistry and sciences that involve chemistry, and the gold standard for substance information worldwide.

With the development of the times, many manufactures focus on advance scientific research worldwide and continue to develop completely new substance. How to identify these substances and get these substances accepted by others, applying CAS Registry Number would be a best choice.


Our Services


  • Assist clients in gathering chemical substance identity information;
  • Assist clients to confirm accuracy of substance information;
  • Submission of registry application for clients;
  • Assist clients in communicating with the authority;
  • Assist clients following the result.

Last Updated on Thursday, 17 March 2011 01:54

You are here: Chemical Abstracts Service