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Finding and verifying CAS Registry Numbers on STN.

Table of Contents

STN International
c/o Chemical Abstracts Service
2540 Olentangy River Road
P.O. Box 3012
Columbus, OH 43210-0012
Telephone: 614-447-3731
800-753-4CAS (800-753-4227)
Fax: 614-447-3798

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