CAS 32171-39-4 appears in our catalog under these names: α–(1–Oxo–2–propen–1–yl)–ω–methoxy–poly(oxy–1,2–ethanediyl), Polyethylene glycol methyl ether acrylate, M.W. 5,000 , Polyethylene glycol methyl ether acrylate, M.W. 1,000 , Polyethylene Glycol Monomethyl Ether Acrylate (n=approx. 9) (stabilized with MEHQ), Polyethylene Glycol Monomethyl Ether Acrylate (n=approx. 13) (stabilized with MEHQ). Offered by: GLPBio, Thermo Scientific (Alfa Aesar), TCI, Ambeed, Sigma-Aldrich. Available pack sizes: 250g, 1g, 5g, 25g, 500g, 250mg, 10g, 1L.