CAS 517-66-8 appears in our catalog under these names: Dicentrine, (S)-10,11-Dimethoxy-7-methyl-6,7,7a,8-tetrahydro-5H-[1,3]dioxolo[4',5':4,5]benzo[1,2,3-de]benzo[g]quinoline, Dicentrine, 99.94%. Offered by: GLPBio, Chemat, MedChemExpress. Available pack sizes: 1mg, 5mg, 10mg, 25mg, 50mg, 5 mg, 10 mg, 25 mg.