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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. List of CAS numbers by chemical compound - Wikipedia

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

    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 Ca(AlH 4) 2: calcium ...

  4. Chemical Abstracts Service - Wikipedia

    en.wikipedia.org/wiki/Chemical_Abstracts_Service

    The CAS Chemical Registry System was introduced in 1965. CAS developed a unique registry number to identify chemical substances. Agencies such as the U.S. Environmental Protection Agency and local fire departments around the world now rely on these numbers for the definite identification of substances.

  5. Category : Chemical articles with multiple CAS registry numbers

    en.wikipedia.org/wiki/Category:Chemical_articles...

    Pages in category "Chemical articles with multiple CAS registry numbers" The following 200 pages are in this category, out of approximately 1,423 total. This list may not reflect recent changes. (previous page) *

  6. Wikipedia : WikiProject Chemicals/Chembox validation

    en.wikipedia.org/wiki/Wikipedia:WikiProject...

    Different CAS Registry Numbers [1] are used for each form of a substance. For example, something simple like alanine will have one CAS# for the D form, another for L, another for "unspecified" and a fourth one for racemic. There would be another four CAS#s for the hydrochloride, four for the (1:1) sulfate, four for the (2:1)sulfate, etc.

  7. Wikipedia : WikiProject Chemistry/CAS validation

    en.wikipedia.org/.../CAS_validation

    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. Note that a validated CAS number can still be absent from the CAS database; mathematical validation only says that a CAS number could be valid based on its format. [1]

  8. Template:CAS - Wikipedia

    en.wikipedia.org/wiki/Template:CAS

    CAS registry numbers are unique numerical identifiers for chemical elements, compounds, polymers, biological sequences, mixtures and alloys. They are also referred to as CAS numbers , CAS RNs or CAS #s .

  9. Category:CAS registry number tracking categories - Wikipedia

    en.wikipedia.org/wiki/Category:CAS_registry...

    Chembox CAS registry number not linked (empty) Chemical articles with multiple CAS registry numbers (1,424 P) Chemical articles without CAS registry number (1,066 P)