CAS 87941-55-7 appears in our catalog under these names: 4-Bromo-1-trityl-1H-imidazole, 98%, 4–bromo–1–trityl–1H–imidazole, 4-Bromo-1-trityl-1H-imidazole 95%, 4-Bromo-1-trityl-1H-imidazole, 95%, 95%. Offered by: Combi-blocks, GLPBio, Ambeed, Chemat, Fluorochem. Available pack sizes: 10g, 5g, 25g, 100g, 1g, 100mg, 250mg.