Ambroxol Impurity 8 Catalogue A253663 CAS 2664887-34-5 M.W 440.60 M.F C15H20Br2N2O.HCl Specifications FAQs CAS:2664887-34-5 (free base:2376577-10-3)(trans)-4-(7,9-dibromo-2,3-dihydro-1H-benzo[e][1,4]diazepin-4(5H)-yl)cyclohexanol hydrochloride