cas number database

May be it is hard to find CAS number database for free download. You need to pay for it even for a small fee.

The CAS number list you will find in this article is collecting from many sources, including CAS number from Safety Data Sheet (SDS) or Material Safety Data Sheet (MSDS).

If you are preparing a new SDS or MSDS for your chemical products, you can also find the right CAS number from the database.

CAS Number Database

It is very easy to how check the CAS number for a given chemical. Identify the chemical name or chemical formula. Or you can do it reversely.

Chemical NameChemical FormulaCAS Number
Acetic Acid (ethanoic acid)C2H4O264-19-7
Acetone (2-propanone)C3H6O67-64-1
AcetonitrileC2H3N75-05-08
Acetylene (ethyne)C2H274–86–2
Acetylsalicylic Acid (2-(acetyloxy)benzoic acid)C9H8O450–78–2
Activated CarbonC7440-44-0
AdenineC5H5N573–24–5
Adenosine Triphosphate (ATP) (adenosine 5’-triphosphate)C10H16N5O13P356–65–5
Adipic Acid (hexanedioic acid)C6H10O4124–04–9
Aluminum (III) Oxide Al2O31344–28–1
AmmoniaNH37664-41-7
Ammonium NitrateN2H4O36484-52-2
Ascorbic AcidC6H8O650–81–7
Aspartame (N-L-a-aspartyl-L-phenylalanine
1-methyl ester)
C14H18N2O522839–47–0
Barium NitrateBaN2O610022-31-8
Benalkonium ChlorideC8H17 to C18H3763449-41-2
BenzeneC6H671-43-2
Butyl AcetateC6H12O2123-86-4
Calcium CarbonateCaCO3471-34-1
Calcium ChlorideCaCl27440-70-2
Citric AcidC6H8O777-92-9
EthanolC2H6O64-17-5
GasolineC8H188006-61-9
GlucoseC6H12O650-99-7
GlycerinC3H8O356-81-5
Hydrochloric AcidHCl7647-01-0
Hydrogen PeroxideH2O27722-84-1
Isopropyl AlcoholC3H8O67-63-0
LeadPb‎7439-92-1
MethanolCH4O67-56-1
Nitric AcidHNO37697-37-2
PolypropyleneC22H42O39003-07-0
Potassium CitrateK3C6H5O77440-09-7
Pottasium IodateKIO37758-05-6
2-PropanolC3H8O67-63-0
Propylene GlycolC3H8O257-55-6
Sodium ChlorideNaCl7647-14-5
Sodium HydroxideNaOH1310-73-2
Sodium HypochloriteNaOCl7681-52-9
Sodium Tetraborate Decahydrate (Borax)Na2B4O71330-43-4
Sulfuric AcidH2SO47664-93-9
Titanium DioxideTiO213463-67-7
TolueneC7H8108-88-3
XyleneC8H101330-20-7
WaterH2O7732-18-5