CAS 734-59-8 appears in our catalog under these names: (4-Bromophenyl)diphenylphosphine, (4-Bromophenyl)diphenylphosphine 98%, (4-bromophenyl)diphenylphosphine, 98%, 98%, (4-Bromophenyl)diphenylphosphine, 95%. Offered by: Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 100mg, 250mg, 5g, 10g.