CAS REGISTRY®, the CAS substance collection, is the premier source relied upon by scientists and regulators worldwide for accurate information on chemical substances.

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CAS Registry Services℠ can provide CAS Registry Numbers, CA Index Names, and other identifiers for chemical substances and regulatory submissions.

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CAS provides accurate and authoritative chemistry content, curated and quality-controlled by hundreds of Ph.D. scientists from around the world. CAS content covers all disclosed chemistry and related …

CASの化学物質コレクションであるCAS REGISTRY®は、化学物質に関する正確な情報を有しており、世界中の科学者や規制当局などから信頼されている情報源です。