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  • CAS REGISTRY®
    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 Numbers (CAS RN) are simple and regular, convenient for database searches They offer a reliable, common and international link to every specific substance across the various nomenclatures and disciplines used by branches of science, industry, and regulatory bodies
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    CAS builds the world’s largest collection of human-curated scientific knowledge covering over 150 years of published science Our tools are designed to address the challenges and complexities unique to scientific and patent data so that you can find the answers you need efficiently
  • Chemical Abstracts Service - Wikipedia
    CAS (Chemical Abstracts Service) is a division of the American Chemical Society It is a source of chemical information and is located in Columbus, Ohio, United States
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