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  1. www.chemsrc.com › enCAS Number Search - Chemsrc

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

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  2. commonchemistry.cas.orgCAS Common Chemistry

    CAS Common Chemistry is an open community resource for accessing chemical information from CAS REGISTRY. You can search by chemical compound name, SMILES, INCHI or CAS Registry Number, such as aspirin sodium chloride, 58-08-2.

  3. www.cas.org › cas-data › cas-registryCAS REGISTRY | CAS

    CAS REGISTRY® provides accurate chemical names, structures, and CAS Registry Numbers® for over 219 million substances. It also links to relevant publications, reactions, suppliers, and more, as part of the CAS Content Collection.

  4. webbook.nist.gov › chemistry › cas-serSearch for Species Data by CAS Registry Number - NIST Chemistry...

    Find thermodynamic and other data for chemical species by CAS registry number. Enter a registry number, select units and data types, and click search to access NIST Chemistry WebBook.

  5. www.cas.org › products › scifinderExplore in SciFinder | CAS

    Searching in SciFinder ® gives you. Powerful Smartsearch technology so you can ask questions how you think. Access to the world’s most reliable and comprehensive chemical and scientific information. Customized tools to locate the most current and accurate substance, reaction or reference information you need.

  6. pubchem.ncbi.nlm.nih.govPubChem

    PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more.

  7. www.cas.org › solutions › cas-scifinder-discovery-platformCAS SciFinder - Chemical Compound Database | CAS

    CAS SciFinder is the world’s most current and relied on source for chemical substance information. Inform your critical research activities with authoritative details on chemical substances and their related chemical structures, chemical names, regulatory information, and properties, including CAS Registry Numbers ®. Learn More.