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B -- CAS REGISTRY PROCESSING SERVICES SOL 52SBNB6C9075 DUE 031896 POC Linda Shariati (301) 975-5053 The National Institute of Standards and Technology (NIST) intends to obtain Registry Processing Services for 22,500 Chemical Structures from Chemical Abstracts Service (CAS), Columbus, Ohio. NIST will submit the Chemical Structures to CAS in the form of MOL files in self-extracting files on PC floppy disks -- or by ftp transfer from NIST computers -- each structure will have a unique identification number assigned by NIST. CAS shall provide CAS names, formulas, registry numbers, and the corresponding NIST identification numbers in machine readable files compatible with MS-DOC operating systems. In cases where there are multiple stereochemical isomers corresponding to a single structure, CAS shall supply all corresponding CAS numbers and names. The Chemical Abstract Registry Numbers are copyrighted by CAS. The ability to issue CAS numbers and to confirm CAS numbers resides with CAS. NIST requires delivery of the data within 60 days of contract award--F.O.B. Destination. See Numbered Note 22. (0033)

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