Arformoterol Tartrate Description Long acting beta-adrenoceptor agonist. Used in the treatment of chronic obstructive pulmonary disease. Specifications Cas No. 200815-49-2 Product ID A6922 Product Name Arformoterol Tartrate Formula Wt. 344.4 Store Temp Ambient References Bonasia, P. Current Medical Research and Opinion (2007), 23(10), 2477-2483.