Arbidol Hydrochloride CAS No: 131707-23-8 Molecular formula: C22H25BrN2O3S.HCl.H2 MW: 531.89 Physical and Chemical Properties: white goods white crystalline powder Content: 99% Shelf life of 24 (months) Related substances 1.0 (%). Packaging: 5kg/15kg/25kg / drum.