CAS 498-74-8 appears in our catalog under these names: 4-Methoxymetanilyl fluoride, 95%, 3-Amino-4-methoxybenzene-1-sulfonyl fluoride 95%, 3-Amino-4-methoxybenzenesulfonyl fluoride, 97%. Offered by: Combi-blocks, Ambeed, Fluorochem. Available pack sizes: 1g, 100mg, 250mg, 5g, 10g.