API
IMPURITY
CHEMICAL NAME
STRUCTURE
2
Butyl Hydroxybenzoate

EP Impurity A

4-Hydroxybenzoic acid Butyl-Hydroxybenzoate_EP-Impurity-A
Butyl Hydroxybenzoate

EP Impurity B

Methyl 4-hydroxybenzoate Butyl-Hydroxybenzoate_EP-Impurity-B
Butyl Hydroxybenzoate

EP Impurity C

ethyl 4-hydroxybenzoate Butyl-Hydroxybenzoate_EP-Impurity-C
Butyl Hydroxybenzoate

EP Impurity D

propyl 4-hydroxybenzoate Butyl-Hydroxybenzoate_EP-Impurity-D
Butylated Hydroxyanisole

EP Impurity A

Benzene-1, 4-diol (hydroquinone). Butylated-Hydroxyanisole_EP-Impurity-A