CAS 71550-12-4 appears in our catalog under these names: Polyallylamine Hydrochloride, Poly(allylamine Hydrochloride) (Technical Grade), Poly(allylamine hydrochloride) , Allylamine HCl 97% average Mw ~15000, POLY(ALLYLAMINE HYDROCHLORIDE), AVERAGE&. Offered by: Chemat Brand, TRC, Thermo Scientific (Alfa Aesar), Ambeed, Sigma-Aldrich. Available pack sizes: on request, 1g, 2,5g, 250mg, 10g, 50g, 5g, 25g.