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A CAS (Chemical Abstracts Service) Registry Number is a unique identifier that tells you, for example, that acetone and dimethyl ketone are ...

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A CAS Registry Number, also referred to as CAS RN or informally CAS Number, is a unique numerical identifier assigned by the Chemical Abstracts Service ...

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CAS provides authoritative chemistry content, curated by Ph.D. scientists from around the world. CAS content covers all disclosed chemistry and related science from thousands of journals, 64 patent authorities, and reputable Web sources, dissertations, books, conference proceedings, chemical suppliers, and more.

But it can be identified concisely by CAS Registry Number of up to 10 digits, such as 58-08-2 for caffeine. Today scientists and ...

Authoritative source for accurate chemical names, structures, and CAS Registry Numbers ®. 193 million organic and inorganic substances, including alloys, coordination compounds, minerals, mixtures, polymers, and salts disclosed in publications since the early 1800s. ~70 million protein and nucleic acid sequences.

118 rader · This is a list of CAS numbers by chemical formulas and chemical compounds, indexed by formula.The CAS number is a unique number applied to a specific chemical by the Chemical Abstracts Service (CAS). This list complements alternative listings to be found at list of inorganic compounds and glossary of chemical formulae

CAS registry numbers are copyrighted by the American Chemical Society. Redistribution rights for CAS registry numbers are reserved by the American Chemical Society ...

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CAS Common Chemistry is an open community resource for accessing chemical information. Nearly 500,000 chemical substances from CAS REGISTRY ® cover areas of community interest, including common and frequently regulated chemicals, and those relevant to high school and undergraduate chemistry classes. This chemical information, curated by our expert scientists, …

Search for Species Data by CAS Registry Number. Please follow the steps below to ... CAS registry numbers are copyrighted by the American Chemical Society.

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o-Nitrostyrene oxide. Molecular Formula: C 8 H 7 NO 3. Molecular Weight: 165.149 g/mol. Cas Number: 39830-70-1. EINECS Number: -. 1-phenyl-2,5-pyrrolidinedione. Molecular Formula: C 10 H 9 NO 2. Molecular Weight: 175.187 g/mol. Cas Number: 83-25-0.

CAS provides authoritative chemistry content, curated by Ph.D. scientists from around the world. CAS content covers all disclosed chemistry and related science from thousands of journals, 64 patent authorities, and reputable Web sources, dissertations, books, conference proceedings, chemical suppliers, and more.

11.08.2019 · CAS Numbers are up to 10 digits long using the format xxxxxxx-yy-z. They are assigned to a compound as the CAS registers a new compound. The number has no significance to the chemistry, structure, or chemical nature of the molecule. The CAS Number of a compound is a useful way to identify a chemical over its name.

CAS is a division of the American Chemical Society that provides products and services that help empower scientific discoveries. Check out our latest product, SciFinder-n, to see how you can inlock your R&D productivity.

CAS Common Chemistry is an open community resource for accessing chemical information. Nearly 500,000 chemical substances from CAS REGISTRY ® cover areas of community interest, including common and frequently regulated chemicals, and those relevant to high school and undergraduate chemistry classes.