Acetyl Salicyclic acid (ASA) is an acetyl derivative of salicylic acid and its common name is Aspirin. It is used in the treatment of pain, fever, and inflammation. Aspirin or acetylsalicylic acid is perhaps the most commonly used analgesic and antipyretic medication worldwide. Reference standards of Acetylsalicylic Acid API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
Acetylsalicylic Acid
Catalogue No.:PA 01 18000
CAS :
Molecular Formula : C9H8O4
Molecular Weight : 180.16
p-Salicylic Acid
Catalogue No.:PA 01 18010
Molecular Formula : C7H6O3
Molecular Weight : 138.12
4-Hydroxyisophthalic Acid
Catalogue No.:PA 01 18020
Molecular Formula : C8H6O5
Molecular Weight : 182.13
Salicylic Acid
Catalogue No.:PA 01 18030
Acetylsalicylsalicylic Acid
Catalogue No.:PA 01 18040
Molecular Formula : C16H12O6
Molecular Weight : 300.26
Salicylsalicylic Acid
Catalogue No.:PA 01 18050
Molecular Formula : C14H10O5
Molecular Weight : 258.23
Acetylsalicylic Anhydride
Catalogue No.:PA 01 18060
Molecular Formula : C18H14O7
Molecular Weight : 342.3
4-Hydroxybenzoic Acid Potassium
Catalogue No.:PA 27 0016403
Molecular Formula : C7H5KO3
Molecular Weight : 176.21
Tri-Salicylic Acid
Catalogue No.:PA 01 18510
Molecular Formula : C21H14O7
Molecular Weight : 378.33
Acetylsalicylic acid (A0200000)
Catalogue No.:PA EPA0200000
Molecular Formula : NA
Molecular Weight : NA
Acetylsalicylic acid for peak identification (Y0001460)
Catalogue No.:PA EPY0001460
Mixture of Acetylsalicylic Acid Impurity A, Impurity B, Impurity D, Impurity E and Impurity F
Catalogue No.:PA 01 18520
Molecular Formula : C7H6O3 + C8H6O5 + C16H12O6 + C14H10O5 + C18H14O7
2-[[2-(Acetyloxy)benzoyl]oxy]benzoic Acid 2-Carboxyphenyl Ester
Catalogue No.:PA 01 18530
Molecular Formula : C23H16O8
Molecular Weight : 420.37
2-[[2-(Acetyloxy)benzoyl]oxy]benzoic Acid 2-[(2-Carboxyphenoxy)carbonyl]phenyl Ester
Catalogue No.:PA 01 18540
Molecular Formula : C30H20O10
Molecular Weight : 540.47
2-[[2-[[2-(Acetyloxy)benzoyl]oxy]benzoyl]oxy]benzoic Acid 2-[(2-Carboxyphenoxy)carbonyl]phenyl Ester
Catalogue No.:PA 01 18550
Molecular Formula : C37H24O12
Molecular Weight : 660.58
2-[[2-[[2-(Acetyloxy)benzoyl]oxy]benzoyl]oxy]benzoic Acid 2-[[2-[(2-carboxyphenoxy)carbonyl]phenoxy]carbonyl]phenyl Ester
Catalogue No.:PA 01 18560
Molecular Formula : C44H28O14
Molecular Weight : 780.68
Salicyl Sulfate Disodium Salt
Catalogue No.:PA 01 0181000
Molecular Formula : C7H4Na2O6S
Molecular Weight : 262.14
2-Acetoxybenzoic 2-hydroxybenzoic anhydride
Catalogue No.:PA 01 0181001
Molecular Weight : 300.27
Acetic 2-acetoxybenzoic anhydride
Catalogue No.:PA 01 0181002
Molecular Formula : C11H10O5
Molecular Weight : 222.2
5-Acetyl-2-hydroxybenzoic Acid Methyl Ester
Catalogue No.:PA 01 0181003
Molecular Formula : C10H10O4
Molecular Weight : 194.19
Acetylsalicylic acid acyl-d-glucuronide (aspirin acyl-d-glucuronide)
Catalogue No.:PA 01 0181004
Molecular Formula : C15H16O10
Molecular Weight : 356.28
Mono-Methyl Terephthalate
Catalogue No.:PA 27 0023498
3-Acetyl-2-hydroxybenzoic Acid
Catalogue No.:PA 01 0181005
5-Acetyl-2-hydroxybenzoic Acid
Catalogue No.:PA 01 0181006
Adipoyl Disalicylate
Catalogue No.:PA 01 0181007
Molecular Formula : C20H18O8
Molecular Weight : 386.36
2-((5-Carboxypentanoyl)oxy)benzoic Acid
Catalogue No.:PA 01 0181008
Molecular Formula : C13H14O6
Molecular Weight : 266.25
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