etidocaine hydrochloride and its Impurities

It is an amide based local anaesthetic agent. Etidocaine shows prolonged duration of action in postoperative pain in oral surgeries. Also used as infiltration anesthesia, peripheral nerve blocks and and central neural block.. Reference standards of Etidocaine Hydrochloride API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below