From chemistry-request%!at!%server.ccl.net Fri May 18 10:15:46 2001 Received: from Vismail01.vistaar.com ([149.2.88.134]) by server.ccl.net (8.11.0/8.11.0) with ESMTP id f4IEFkI09722 for ; Fri, 18 May 2001 10:15:46 -0400 Received: by Vismail01.vistaar.com with Internet Mail Service (5.5.2653.19) id ; Fri, 18 May 2001 10:15:41 -0400 Message-ID: <4BF010E087C08B4A98F710641D0C799C58E149 |-at-| Vismail01.vistaar.com> From: Doug Smith To: "'chemistry;at;ccl.net'" Subject: CAS Registry Numbers Date: Fri, 18 May 2001 10:15:34 -0400 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Content-Type: text/plain; charset="iso-8859-1" Can someone explain the structure of a CAS registry number and how it is generated? According to the CAS web site, 336607-92-2 is the most recent CAS Registry Number as of this morning. I know there is no chemical meaning or significance to the numbers, but what is each of the three fields and how are the numbers assigned? Doug > ___________________________________________ > Douglas A. Smith, Ph.D. > Row2 Technologies Inc. > 200 Lanidex Plaza > Parsippany, NJ 07054 > Phone: +1 973-581-6292 > Fax: +1 973-581-6312 > Mobile: +1 973-454-1853 > E-mail: dsmith ^at^ row2technologies.com > ___________________________________________ >