N,N'-Methylene Ambroxol Hydrochloride

Impurity Ambroxol EP Impurity B Hydrochloride Stability Hygroscopic Applications Ambroxol Cyclic Impurity is a metabolite as well as an impurity of the bronchosecretolytic drug, Ambroxol (A575900). References Hammer, R. et al.: Arzneim.-Forsch., 28, 899 (1978); Nieder, M. et al.: HRC & CC, 9, 561 (1986); Huq, F. et al.: J. Pharmacol. Toxicol., 3, 147 (2008);