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CAS Registry Number
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== External links == {{Wikidata property|P231}} * [https://web.archive.org/web/20080725010848/http://www.cas.org/expertise/cascontent/registry/regsys.html CAS registry description], by Chemical Abstracts Service To find the CAS number of a compound given its name, [[chemical formula|formula]] or structure, the following free resources can be used: * [https://commonchemistry.cas.org/ CAS Common Chemistry] * [http://webbook.nist.gov/chemistry/ NIST Chemistry WebBook] * [https://cactus.nci.nih.gov/chemical/structure NCI/CADD Chemical Identifier Resolver] * [http://chemsub.online.fr/ ChemSub Online (Multilingual chemical names)] * [https://www.cdc.gov/niosh/npg/npgdcas.html NIOSH Pocket Guide to Chemical Hazards, index of CAS numbers] {{DEFAULTSORT:Cas Registry Number}} [[Category:Chemical numbering schemes]] [[Category:American Chemical Society]] [[Category:Unique identifiers]]
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