CAS 25189-55-3 appears in our catalog under these names: Poly(N-isopropylacrylamide), POLY(N-ISOPROPYLACRYLAMIDE), MN 40,000, Poly(N-isopropylacrylamide) Mw, 27,000, Poly(N-isopropylacrylamide) Mw, 3600, Poly(N-isopropylacrylamide) Mw, 50,000. Offered by: Biosynth, Sigma-Aldrich, Fluorochem, Ambeed. Available pack sizes: 0,5g, 1g, 2g, 5g, 10g, 25g, 250mg.