API
IMPURITY
CHEMICAL NAME
STRUCTURE
2
Ethyl Hydroxybenzoate Sodium

EP Impurity A

4-hydroxybenzoic acid Ethyl Hydroxybenzoate Sodium_EP Impurity A
Ethyl Hydroxybenzoate Sodium

EP Impurity B

methyl 4-hydroxybenzoate Ethyl Hydroxybenzoate Sodium_EP Impurity B
Ethyl Hydroxybenzoate Sodium

EP Impurity C

propyl 4-hydroxybenzoate Ethyl Hydroxybenzoate Sodium_EP Impurity C
Ethyl Hydroxybenzoate Sodium

EP Impurity D

butyl 4-hydroxybenzoate Ethyl Hydroxybenzoate Sodium_EP Impurity D