For common and frequently regulated chemicals, you can use cas common chemistry, an open community resource with nearly 500,000 chemical substances from cas registry. It is a source of chemical information and is located in columbus, ohio, united states. Cas registry numbers (cas rn) are simple and regular, convenient for database searches
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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.
Chemsrc provides free cas number search engine to fast access over millions chemical structures, cas number, msds, properties and associated information.
Redistribution rights for cas registry numbers are reserved by the american chemical society “cas registry” is a registered trademark of the american chemical society. Our tools are designed to address the challenges and complexities unique to scientific and patent data so that you can find the answers you need efficiently. The chemical abstracts service (cas) has developed a registry of unique numeric identifiers, aka cas numbers or cas registry numbers, for more than 73 million organic and inorganic substances including compounds, metals, alloys, minerals, organometallics, elements, isotopes and biochemicals.
Every chemical is assigned a cas number Have you ever wondered what a cas number is and how they are assigned Check out this very simple explanation that will give you everything you need to know about what a cas number is, plus how cas numbers are assigned. Quickly confirm chemical names, cas registry numbers®, structures or basic physical properties by searching compounds of general interest or leveraging an api connection.
Cas (chemical abstracts service) is a division of the american chemical society
