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Chemical Names & CAS Registry Numbers

Searching chemicals by CAS Registry Number can help eliminate the confusion of searching by name. Because many chemicals have multiple names, you can narrow your search more quickly using the CAS number method – the search result will include every name associated with a particular chemical.

You can find the CAS number for a chemical through a variety of resources:

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CAS Registry Numbers


  • ​ACIDS

    Hydrochloric Acid: 007647-01-0

  • BIOCIDES

    Quaternary Ammonium Chloride: 012125-02-9, 061789-71-1
    Tetrakis Hydroxymethyl-Phosphonium Sulfate: 055566-30-8

  • BREAKERS

    Ammonium Persulfate: 007727-54-0
    Sodium Chloride: 007647-14-5
    Magnesium Peroxide: 014452-57-4
    Magnesium Oxide: 001309-48-4
    Calcium Chloride: 010043-52-4

  • CLAY STABILIZERS

    Choline Chloride: 000067-48-1
    Tetramethyl Ammonium Chloride: 000075-57-0
    Sodium Chloride: 007647-14-5

  • CORROSION INHIBITORS

    Isopropanol: 000067-63-0
    Methanol: 000067-56-1
    Formic Acid: 000064-18-6
    Acetaldehyde: 000075-07-0

  • CROSSLINKERS

    Petroleum Distillate: 064741-85-1
    Hydrotreated Light Petroleum Distillate: 064742-47-8
    Potassium Metaborate: 013709-94-9
    Triethanolamine Zirconate: 101033-44-7
    Sodium Tetraborate: 001303-96-4
    Boric Acid: 001333-73-9
    Zirconium Complex: 113184-20-6
    Borate Salts: N/A
    Ethylene Glycol: 000107-21-1
    Methanol: 000067-56-1

  • FRICTION REDUCERS

    Polyacrylamide: 009003-05-8
    Petroleum Distillate: 064741-85-1
    Hydrotreated Light Petroleum Distillate: 064742-47-8
    Methanol: 000067-56-1
    Ethylene Glycol: 000107-21-1

  • GELLING AGENTS

    Guar Gum: 009000-30-0
    Petroleum Distillate: 064741-85-1
    Hydrotreated Light Petroleum Distillate: 064742-47-8
    Methanol: 000067-56-1
    Polysaccharide Blend: 068130-15-4
    Ethylene Glycol: 000107-21-1

  • IRON CONTROLLERS

    Citric Acid: 000077-92-9
    Acetic Acid: 000064-19-7
    Thioglycolic Acid: 000068-11-1
    Sodium Erythorbate: 006381-77-7

  • NON-EMULSIFIERS

    Lauryl Sulfate: 000151-21-3
    Isopropanol: 000067-63-0
    Ethylene Glycol: 000107-21-1

  • PH-ADJUSTING AGENTS

    Sodium Hydroxide: 001310-73-2
    Potassium Hydroxide: 001310-58-3
    Acetic Acid: 000064-19-7
    Sodium Carbonate: 000497-19-8
    Potassium Carbonate: 000584-08-7

  • SCALE INHIBITORS

    Copolymer of Acrylamide and Sodium Acrylate: 025987-30-8
    Sodium Polycarboxylate: N/A
    Phosphonic Acid Salt: N/A

  • SURFACTANTS

    Lauryl Sulfate: 000151-21-3
    Ethanol: 000064-17-5
    Naphthalene: 000091-20-3
    Methanol: 000067-56-1
    Isopropanol: 000067-63-0
    2-Butoxyethanol: 000111-76-2