CAS 85-17-6 appears in our catalog under these names: Dihydrostreptomycin Sulfate EP Impurity A (Streptidine), Streptomycin Impurity 1 ( Streptomycin EP Impurity A)(Streptidine), Streptidine, Streptidine dihydrochloride. Offered by: Chemat Brand, Hubei YoungXin, Biosynth. Available pack sizes: on request, 10mg, 25mg, 50mg, 100mg, 200mg, 5mg, 40mg.