CAS 53633-54-8 appears in our catalog under these names: Polyquaternium 11 (20% in H2O), Polyquaternium – 11, Polyquaternium-11 - M <1,000,000 by GPC, 20 wt. % in H2O, POLY((2-ETHYLDIMETHYLAMMONIOETHYL METHA&. Offered by: TRC, GLPBio, Biosynth, Sigma-Aldrich. Available pack sizes: 10g, 1l, 5l, 5g, 25g, 50g, 100g, 250G.