CAS 128397-41-1 appears in our catalog under these names: Hydroprotopine/ 99.24% (existing batch purity), 6,7,12b,13-Tetrahydro-12b-hydroxy-5-methyl-4H-bis[1,3]benzodioxolo[5,6-a:4′,5′-g]quinolizinium, Hydroprotopine. Offered by: TargetMol, Chemat, MedChemExpress. Available pack sizes: 20mg, 10mg, 1mg, 5mg, 25mg, 50mg, 100mg, Get quote.