CAS 515831-52-4 appears in our catalog under these names: 3-Bromo-5-ethoxy-4-methoxybenzonitrile, 3-Bromo-5-ethoxy-4-methoxybenzonitrile 97%, 3-BROMO-5-ETHOXY-4-METHOXYBENZONITRILE, 98%, 3-Bromo-5-Ethoxy-4-Methoxybenzonitrile, 98%, 98%. Offered by: Biosynth, Ambeed, Fluorochem, Chemat. Available pack sizes: 5g, 250mg, 1g, 100mg, 10g.