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.•dfi^.u^3BL CAS Registry is the world's largest database of chemical substances, including: • 17 million substance records for chemicals reported in patents and chemical literature since 1957; • the largest collection of organic substances—more than 12 million, drawn from both journal articles and patents; • more than 19 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 Registry is available through SciFinder®, STN8". or STN Easy8-.
^ " T ^ R f V V A^J AdM********™ Chemical Society.
