Arbidol HCl Catalogue A124310 CAS 131707-23-8 M.W 477.42 36.46 M.F C22H25BrN2O3S. HCl Specifications FAQs ethyl 6-bromo-4-((dimethylamino)methyl)-5-hydroxy-1-methyl-2-((phenylthio)methyl)-1H-indole-3-carboxylate