What is a CAS Registry Number?
A. CAS Registry Numbers (often referred to as CAS RNs or CAS Numbers) are unique identifiers for chemical substances. A CAS Registry Number itself has no inherent chemical significance but provides an unambiguous way to identify a chemical substance or molecular structure when there are many possible systematic, generic, proprietary, or trivial names. CAS Registry Numbers are used in many other public and private databases as well as chemical inventory listings and, of course, are included in all CAS-produced databases. Q. Tell me briefly about CAS products. A. CAS offers online, web-based, desktop, print, and CD-ROM access to databases covering science, engineering, technology, patents, business information, and much more. These products are designed to accommodate a wide range of information needs, whether you are an infrequent searcher who only needs a few quick answers or a professional searcher who requires a more powerful and comprehensive set of search tools. CAS products are fe
A. CAS Registry Numbers (often referred to as CAS RNs or CAS Numbers) are unique identifiers for chemical substances. A CAS Registry Number itself has no inherent chemical significance but provides an unambiguous way to identify a chemical substance or molecular structure when there are many possible systematic, generic, proprietary, or trivial names. CAS Registry Numbers are used in many other public and private databases as well as chemical inventory listings and, of course, are included in all CAS-produced databases. http://www.cas.