Isoetharine Hydrochloride and its Impurities

Isoetharine Hydrochloride is a selective adrenergic beta-2 agonist used as fast acting bronchodilator for emphysema, bronchitis and asthma. Reference standards of Isoetharine Hydrochloride API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.