NSC 19005 is a potential impurity found in commercial preparations of betahistine.1 It is a degradation product formed by exposure to oxidative, thermal, or photolytic stress.
1.de Mello, M.B.M., de Oliveira, A.F., de Oliveira, C.L., et al.Characterization and in silico mutagenic assessment of a new betahistine degradation impurityJ. Braz. Chem. Soc.30(7)1415-1424(2019)
















