... % Molecular Weight 505.05 Name Ivabradine hydrochloride Synonyms 3-[3-[[(8S)-3, 4-Dimethoxy-8-bicyclo[4.2.0]octa-1, 3, 5 ... ]-7, 8-dimethoxy-2, 5-dihydro-1H-3-benzazepin-4-one hydrochloride Molecular Formula C27H36N2O5. HCl Molecular Weight 505.05 CAS Registry ... impurity: NMT 0.1% Total impties: NMT 0.5% Ivabradine Hydrochloride