CAS 25190-06-1 appears in our catalog under these names: Polytetramethylene Ether Glycol, Poly(tetramethylene ether) Glycol 650, Poly(tetramethylene ether) Glycol 1000, Poly(tetramethylene ether) Glycol 2000, Poly(tetramethylene ether) Glycol 2900. Offered by: GLPBio, TCI, Ambeed, Sigma-Aldrich, Chemat. Available pack sizes: 10l, 2,5l, 500ml, 25g, 500g, 100g, 1000g, 18L.