tolperisone and its Impurities

Tolperisone is indicated for use in the treatment of pathologically increased tone of the skeletal muscle caused by neurological diseases and of spastic paralysis and other encephalopathies manifested with muscular dystonia. It is a centrally acting skeletal muscle relaxant. Reference standards of Tolperisone API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.