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. 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. 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.
Redistribution rights for cas registry numbers are reserved by the american chemical society
“cas registry” is a registered trademark of the american chemical society. Chemsrc provides free cas number search engine to fast access over millions chemical structures, cas number, msds, properties and associated information. Cas provides solutions and services that help empower scientific discoveries Learn how cas can facilitate your research and drive innovation.
