CAS 52559-90-7 appears in our catalog under these names: Bis[2-[2-(2-chloroethoxy)ethoxy]ethyl]ether, 95%, Bis(2–(2–(2–chloroethoxy)ethoxy)ethyl)ether, Bis[2-[2-(2-chloroethoxy)ethoxy]ethyl]ether, >97.0%(GC), 1,17-Dichloro-3,6,9,12,15-pentaoxaheptadecane, 97.0%, 97.0%. Offered by: Combi-blocks, GLPBio, TCI, Chemat. Available pack sizes: 1g, 5g, 200mg.