CAS 258506-49-9 appears in our catalog under these names: 2-Bromo-1-[3-(4-chlorophenyl)-5-isoxazolyl]-1-ethanone, 95%, 2-Bromo-1-(3-(4-chlorophenyl)isoxazol-5-yl)ethanone, 97%, 2-Bromo-1-[3-(4-chlorophenyl)-5-isoxazolyl]-1-ethanone, 97% , 5-(Bromoacetyl)-3-(4-chlorophenyl)isoxazole. Offered by: Combi-blocks, AmBeed, Thermo Scientific, Fluorochem. Available pack sizes: 250mg, 1g, 5g.