If they've found it here, you'll find it here. - C&EN Global Enterprise

If they've

_ found i t

here,

you'll

find it here. CAS REGISTRY

CAS Registry is the world's largest database of chemical substances, including: • Nearly 19 million substance records for chemicals reported in patents and chemical literature since 1957; • the largest collection of organic substances—more than 13 million, drawn from both journal articles and patents; • more than 26 million chemical and commercial substance names; • CAS Registry Numbers®, the international standard for concise and reliable substance identification. Use CAS Registry for authoritative substance information. Call 1-800-753-4227 or 614-447-3700. Or visit our Web site at http://www.cas.org.

CAS A division of the American Chemical Society.