CAS 5153-71-9 appears in our catalog under these names: (E)–1–Bromo–4–(2–nitrovinyl)benzene, trans-4-Bromo-b-nitrostyrene, trans-4-Bromo-beta-nitrostyrene, 99%, (E)-1-Bromo-4-(2-nitrovinyl)benzene 95%, trans-4-Bromo-β-nitrostyrene, 97%, 97%. Offered by: GLPBio, Biosynth, Thermo Scientific (Acros), Ambeed, Sigma-Aldrich. Available pack sizes: 250g, 2g, 1g, 5g, 250mg, 10g, 100mg, 25g.