CAS 957372-61-1 appears in our catalog under these names: 4-(2-Bromo-1,1,2,2-tetrafluoroethoxy)benzonitrile 98%, 4-(2-Bromo-1,1,2,2-tetrafluoroethoxy)benzonitrile, 98%, 98%, 4-Cyanophenoxytetrafluorobromoethane, 98%. Offered by: Ambeed, Chemat, Fluorochem. Available pack sizes: 100mg, 250mg, 1g, 5g.