CAS 63148-56-1 appears in our catalog under these names: Poly(methyl-3,3,3-trifluoropropylsiloxane), M.W. 2,400 , Poly(methyl-3,3,3-trifluoropropylsiloxane), M.W. 14,000 . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 25g, 100g, 5g.