Chemical Abstract Number List

The registry number itself has no inherent chemical significance but provides a simple way to identify a chemical substance. The current chemical abstracts ca database contains over 23 million chemical substances and references to over 16 million document records from the chemical journal and patent literature. Regulatory lists include those managed by epa and other federal agencies and states.

A cas registry number also referred to as casrn or cas number is a unique numerical identifier assigned by the chemical abstracts service to every chemical substance described in the open scientific literature including organic and inorganic compounds minerals isotopes alloys and nonstructurable materials.

Chemical abstract number list. Nci global is a single resource for up to date regulatory information on hundreds of thousands of chemical compounds regulated worldwide. Chemical formula synonyms cas number ac 2 o 3. Barium nitrate as ba 10024 97 2. With coverage of nearly 150 international regulatory inventories and lists nci global makes it easy to search by cas registry numbers chemical names and more.

Casrns are generally serial numbers so they do not contain any information about the structures themselves the way smiles and inchi strings do. Nci global is a single resource for up to date regulatory information on hundreds of thousands of chemical compounds regulated worldwide. Epas substance registry services srs database can be used to search for a specific chemical name or chemical abstract service cas registry number. Common chemistry is helpful to non chemists who know either a name or cas registry number of a common chemical and want to pair both pieces of information.

Welcome to common chemistry from chemical abstracts service cas a web resource that contains cas registry numbers for approximately 7900 chemicals of widespread general public interest. Cas registry contains a wide variety of substances including the worlds largest collection of. Cas registry numbers are unique identifiers for chemical substances. The registry maintained by cas is an auth.

With coverage of nearly 150 international regulatory inventories and lists nci global makes it easy to search by cas registry numbers chemical names and more. Nci global is a single resource for up to date regulatory information on hundreds of thousands of chemical compounds regulated worldwide. 506 64 9 agc 2 h 3 o 2. It provides the regulations and statutes applicable to the chemical.

With coverage of nearly 150 international regulatory inventories and lists nci global makes it easy to search by cas registry numbers chemical names and more.