Cas registry numbers (cas rn) are simple and regular, convenient for database searches A cas number is a unique identifier assigned to every chemical substance described in the open scientific literature They offer a reliable, common and international link to every specific substance across the various nomenclatures and disciplines used by branches of science, industry, and regulatory bodies.
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“cas registry” is a registered trademark of the american chemical society.
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Chemsrc provides fast access to over millions cas#/cas number database, including structure, msds, melting point, boiling point, density, etc. Cas (chemical abstracts service) is a division of the american chemical society It is a source of chemical information and is located in columbus, ohio, united states. What is a cas number