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

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 …

“CAS registry” is a registered trademark of the American Chemical society.

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The College of Arts & Science (CAS) is the founding school of New York University, and one of the three pillar institutions of NYU Arts & Science (with Liberal Studies and the Graduate School of Arts & …

CAS numbers are unique numbers assigned to chemical substances by the Chemical Abstract Service to provide a consistent and reliable way of identifying the chemical substances.

Dec 22, 2025 · The CAS reference collection aggregates and connects scientific knowledge from thousands of journals and other sources published globally in more than 50 languages dating back to …

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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.

Dec 16, 2025 · You can also identify your substance of interest by its CAS Registry Number®, which is universally used to provide a unique, unmistakable identifier for chemical substances.