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  2. List of CAS numbers by chemical compound - Wikipedia

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

    This is a list of CAS numbers by chemical formulas and chemical compounds, indexed by formula.The CAS number is a unique number applied to a specific chemical by the Chemical Abstracts Service (CAS).This list complements alternative listings to be found at list of inorganic compounds and glossary of chemical formulae

  3. 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.

  4. ChemSpider - Wikipedia

    en.wikipedia.org/wiki/ChemSpider

    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. The search can be used to widen or restrict already found ...

  5. Glossary of chemical formulae - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_chemical_formulae

    Chemical formula Synonyms CAS number CAgO carbonylsilver: CCl 2 F 2: dichlorodifluoromethane freon-12: 75-71-8 CCl 4: carbon tetrachloride tetrachloromethane: 56-23-5 C(CN) 4: tetracyanomethane: 24331-09-7 CFCl 3: trichlorofluoromethane freon-11: 75-69-4 CFCl 2 CF 2 Cl: chlorotrifluoromethane freon-13: 75-72-9 CHCl 3: chloroform ...

  6. PubChem - Wikipedia

    en.wikipedia.org/wiki/PubChem

    Each hit provides information about synonyms, chemical properties, chemical structure including SMILES and InChI strings, bioactivity, and links to structurally related compounds and other NCBI databases like PubMed. In the text search form the database fields can be searched by adding the field name in square brackets to the search term.

  7. List of chemical databases - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_databases

    Chemical Entities of Biological Interest ELIXIR: small chemical compounds from PDBeChem ChEMBL KEGG IntEnz "ChEBI". 60,000 Chematica: Merck: organic chemicals reaction pathway calculation; Beilstein CAS SMILES proprietary 7,000,000 ChEMBL: Chemicals from European Molecular Biology Laboratory EMBL: molecules with drug-like properties "ChEMBL ...

  8. List of refrigerants - Wikipedia

    en.wikipedia.org/wiki/List_of_refrigerants

    IUPAC chemical name; molecular formula; CAS registry number / blend name; Atmospheric lifetime in years; Semi-empirical ozone depletion potential, ODP (normalized to be 1 for R-11) Net global warming potential, GWP, over a 100-year time horizon (normalized to be 1 for R-744, carbon dioxide)

  9. List of gases - Wikipedia

    en.wikipedia.org/wiki/List_of_gases

    Blue type items have an article available by clicking on the name. Name Formula ... Molecular weight CAS No Helium-3: 3 He −269.96 N/A 3 14762-55-1 Helium-4: 4 He ...