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  2. CAS Registry Number - Wikipedia

    en.wikipedia.org/wiki/CAS_Registry_Number

    Screenshot of the CAS Common Chemistry database with information about caffeine ().. A CAS Registry Number [1] (also referred to as CAS RN [2] or informally CAS Number) is a unique identification number, assigned by the Chemical Abstracts Service (CAS) in the US to every chemical substance described in the open scientific literature, in order to index the substance in the CAS Registry.

  3. Chemical Abstracts Service - Wikipedia

    en.wikipedia.org/wiki/Chemical_Abstracts_Service

    CAS Headquarters Complex, completed in 1965 with addition (on left) in 1973. Columbus, Ohio. Chemical Abstracts (CA) began as a volunteer effort and developed from there. The use of volunteer abstractors was phased out in 1994. Chemical Abstracts has been associated with the American Chemical Society in one way or another since 1907. [13]

  4. ChemSpider - Wikipedia

    en.wikipedia.org/wiki/ChemSpider

    A number of available search modules are provided: The standard search allows querying for systematic names , trade names and synonyms and registry numbers The advanced search allows interactive searching by chemical structure, chemical substructure, using also molecular formula and molecular weight range, CAS numbers, suppliers, etc.

  5. List of chemical databases - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_databases

    Chemical reaction SMILES, annotated procedures, characterization data, reference metadata Curated from patent literature "SaguaroChem". 4 July 2024. 2,091,105 SciFinder: Chemical Abstracts Service of American Chemical Society: organic, inorganic chemicals, proteins CASNo paid access only 130,000,000 ScrubChem scraped from PubChem "ScrubChem ...

  6. List of CAS numbers by chemical compound - Wikipedia

    en.wikipedia.org/wiki/List_of_CAS_numbers_by...

    Chemical formula Synonyms CAS number C 10 H 16 N 2 O 8: Ethylenediaminetetraacetic acid (EDTA) 6381–92–6 C 12 H 22 O 11: sucrose: 57–50–1 C 18 H 29 O 3 S: sodium dodecyl benzenesulfonate: 2155–30–0 C 20 H 25 N 30: Lysergic acid diethylamide (LSD) 50–37–3 C 123 H 193 N 35 O 37: Common serum albumin (macromolecule) 9048–49–1 ...

  7. Wikipedia : WikiProject Chemistry/CAS validation

    en.wikipedia.org/.../CAS_validation

    The Chemical Abstracts Service (CAS) registry number system was designed to be fault-tolerant. Built into every CAS number is a check-digit that makes it possible to detect mis-typed numbers. Validation is a mathematical and repetitive process well-suited for software.

  8. AOL

    search.aol.com

    The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web. AOL.

  9. Chemical database - Wikipedia

    en.wikipedia.org/wiki/Chemical_database

    Large databases, such as PubChem [11] [20] and ChemSpider, [21] have graphical interfaces for search. The Chemical Abstracts Service provides tools to search the chemical literature and Reaxys supplied by Elsevier covers both chemicals and reaction information, including that originally held in the Beilstein database. [22]