Arformoterol Fumarate and its Impurities

Arformoterol Fumarate, sold under the brand name Brovana among others, is a medication used for the treatment of a beta-2 adrenergic agonist and bronchodilator used for long-term, symptomatic treatment of reversible bronchoconstriction in patients. Reference standards of Arformoterol Fumarate API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.