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A CAS Registry Number is assigned to a substance when it enters the CAS REGISTRY database. Numbers are assigned in sequential order to unique, new substances identified by CAS scientists for inclusion in the database.

Authoritative source for accurate chemical names, structures, and CAS Registry Numbers ®. 192 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.

The full set of CAS Registry database information—structures, names, formulas, and ring data—is available for search and display through STN International. CAS Registry information is also available in CAS databases offered by other online system vendors. A CASRN is assigned to a substance when it enters the CAS registry database.

A CAS Registry Number is a unique and unambiguous identifier for a specific substance that allows clear communication and, with the help of CAS scientists, links together all available data and research about that substance.

Jun 18, 2021 · The CAS Registry database is the original supplier and final authority for CAS Registry Numbers (CASRNs or CAS Numbers). The Registry is updated daily. SRS uses this information resource to verify and identify former CAS Registry Numbers. There are no substance names associated with the CAS Registry acronym in SRS.

The Chemical Abstracts Service is a department of the American Chemical Society and it maintains a database of chemical compounds and sequences. At the moment, ...

7440-16-6 (metal) Rhodium (metal fume and insoluble compounds, as Rh) 7440-21-3. Silicon. 7440-22-4 (metal) Silver (metal dust and soluble compounds, as Ag) 7440-25-7 (metal) Tantalum (metal and oxide dust, as Ta) 7440-31-5.

02.01.2022 · About CAS. 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.

Search for Species Data by CAS Registry Number. Please follow the steps below to conduct your search: Enter a registry number (e.g., 74-82-8):

CAS REGISTRY®, the CAS substance collection, is the premier source relied upon by scientists, manufacturers, regulators, and data scientists worldwide for ...

The entry for creatine in Chemical Abstracts Service's new Common Chemistry database includes the compound's CAS Registry Number, ...

CAS REGISTRY SM - with more than 193 million small molecules, is the gold standard for chemical substance information, including chemical structures, names, predicted and experimental properties, tags, and spectra; CAS References - includes more than 56 million records from the early 1800s to the present

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.

CAS Registry Numbers are simple and regular, convenient for database searches. They offer a reliable, common and international link to every ...

CAS vedlikeholder og selger en database med disse kjemikaliene, kjent som CAS registry. Over 27 millioner forbindelser har til nå fått et CAS-nummer, ...

For example, 58-08-2 is the CAS Registry Number for caffeine. How does CAS assign Registry Numbers? A CAS Registry Number is assigned to a substance when it enters the CAS REGISTRY database. Numbers are assigned in sequential order to unique, new substances identified by CAS scientists for inclusion in the database.

Search for Species Data by CAS Registry Number. Please follow the steps below to conduct your search: Enter a registry number (e.g., 74-82-8): Select the desired units for thermodynamic data: SI calorie-based; Select the desired type(s) of data: Thermodynamic Data Other Data; Gas phase: IR spectrum: Condensed phase:

CAS REGISTRY contains more than 127 million unique organic and inorganic chemical substances, such as alloys, coordination compounds, minerals, ...

CAS Registry. CAS Registry [23], a substance database containing structures and chemical names, has more than 25,000,000 substance records, including more than 16,000,000 organic and inorganic substances and 4,000,000 biosequences. CAS Registry is commercially available from the American Chemical Society.

Chemsrc provides free CAS Number Search engine to fast access over millions chemical structures, CAS number, MSDS, properties and associated information.