CAS 4002-81-7 appears in our catalog under these names: 4,5-Dibromo-2-methylimidazole, 98%, 4,5-Dibromo-2-methylimidazole 98%, 4,5-Dibromo-2-methylimidazole, 98%, 98%. Offered by: Combi-blocks, Ambeed, Chemat, Fluorochem. Available pack sizes: 10g, 5g, 25g, 100g, 1g, 250mg.