CAS 2170771-70-5 appears in our catalog under these names: Colesevelam Impurity 3, Colesevelam Impurity 2 Dibromide HBr, Amino Dihexyltrimethylammonium Bromide Hydrobromide, 95%, 95%. Offered by: Hubei YoungXin, Chemat Brand, Chemat. Available pack sizes: 10mg, 25mg, 50mg, 100mg, 200mg, on request, 250mg, 1g.