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CAS REGISTRY, the CAS substance collection, is the premier source relied upon by scientists, manufacturers, regulators, and data scientists worldwide for accurate information on chemical substances What is a CAS Registry Number®?
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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
- What Is a CAS Number and How Is It Assigned? - ThoughtCo
The CAS database currently contains over 55 million different organic and inorganic chemical compounds Each CAS entry is identified by their CAS Registry Number, or CAS Number for short
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Search for Species Data by CAS Registry Number Please follow the steps below to conduct your search:
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CAS, a division of the American Chemical Society, is the most authoritative and comprehensive source for chemical information CAS databases, including CAS REGISTRY SM, are curated and quality-controlled by a global team of scientists
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CAS content covers all disclosed chemistry and related science from thousands of journals and 109 patent authorities, as well as reputable Web sources, dissertations, books, conference proceedings, chemical suppliers, and more
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