The Law Dictionary

Featuring Black’s Law Dictionary Free Online Legal Dictionary 2nd Ed.

What is CHEMICAL ABSTRACTS SERVICE REGISTRATION NUMBER (CAS#)

Unique number assigned to a specific chemical and matched as identified by its chemical name. This number is assigned by the American Chemical Society and indexed in Chemical Abstracts published by Chemical Abstracts Service in the US. CAS numbers have world-wide use for the quick retrieval of matching chemical and safety information by the accurate identification of materials sought.

Disclaimer

Nothing implied or stated on this page should be construed to be legal, tax, or professional advice. The Law Dictionary is not a law firm and this page should not be interpreted as creating an attorney-client or legal adviser relationship. For questions regarding your specific situation, please consult a qualified attorney.