lidocaine hydrochloride monohydrate and its Impurities

It is a hydrochloride salt form of Lidocaine, which is a local anesthetic dug od amide type. It works by altering the signal conduction in neurons by blocking the fast voltage-gated Na+ channels. Reference standards of Lidocaine Hydrochloride Monohydrate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.