Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 318-98-9, Whether you call it Propranolol Hydrochloride, (&#177, )-1-Isopropylamino-3-(1-naphthyloxy)-2-propanol Hydrochloride , (&#177 or )-1-Isopropylamino-3-(1-naphthyloxy)propan-2-ol Hydrochloride you can be assured the Propranolol Hydrochloride products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.