methyldopa hydrate and its Impurities

An alpha-2 adrenergic receptor agonist, Methyldopa Hydrate is used for the treatment of high blood pressure in pregnancy. It is metabolized in the liver and intestines and is excreted in urine. Reference standards of Methyldopa Hydrate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.