API
IMPURITY
CHEMICAL NAME
STRUCTURE
2
Tetracaine Hydrochloride

EP Impurity A

4-aminobenzoic acid Tetracaine-Hydrochloride-EP-Impurity-A
Tetracaine Hydrochloride

EP Impurity B

4-(butylamino)benzoic acid Tetracaine-Hydrochloride-EP-Impurity-B