CAS 5884-22-0 appears in our catalog under these names: 1–(3，4–Dimethoxybenzyl)–6，7–dimethoxy–3，4–dihydroisoquinoline hydrochloride, Dihydropapaverine hydrochloride, Isoquinoline,1-[(3,4-dimethoxyphenyl)methyl]-3,4-dihydro-6,7-dimethoxy-, hydrochloride (1:1), 98%, 98%, Dihydropapaverine hydrochloride, min. 95 %, 25 g, Dihydropapaverine hydrochloride, min. 95 %, 50 g. Offered by: GLPBio, Biosynth, Chemat, Roth. Available pack sizes: 100g, 25g, 5g, 50g, 250g, 500g, 1g.