API
IMPURITY
CHEMICAL NAME
STRUCTURE
2
Aspirin

EP Impurity A

4-hydroxybenzoic acid Aspirin_EP-Impurity-A
Aspirin

EP Impurity B

4-hydroxyisophthalic acid Aspirin_EP-Impurity-B
Aspirin

EP Impurity C

Salicylic acid Aspirin_EP-Impurity-C
Aspirin

EP Impurity D

Acetylsalicylsalicylic acid
Aspirin

EP Impurity E

Salicylsalicylic acid
Aspirin

EP Impurity F

Acetylsalicylic anhydride Aspirin_EP-Impurity-F