NOSCAPINE HCl Category: Active Pharmaceutical Ingredient ( API) CAS No: [ 912-60-7] Chemical Name: ( 3S) -6, 7-Dimethoxy-3-[ ( 5R) -4-methoxy-6-methyl-5, 6, 7, 8-tetrahydro-1 , 3-dioxolo[ 4, 5-g] isoquinolin-5-yl] isobenzofuran-1( 3H) -one hydrochloride monohydrate. Pharmacopoeial Reference: Ph.Eur / B.P / J.P Molecular Weight: 467.9 Molecular Formula: C22H23NO7, HCl, H2O