CAS 498-62-4 appears in our catalog under these names: 3-Thiophenecarboxaldehyde, 98%, 98%, 4-Aminobenzene-1-sulfonyl fluoride, 98%, 98%, Sulfanilylfluoride 98%, 3-Thiophenecarboxaldehyde, 98%, Thiophene-3-carbaldehyde 98%. Offered by: Chemat, Ambeed, Thermo Scientific (Acros), Sigma-Aldrich, Fluorochem. Available pack sizes: 5g, 10g, 25g, 100g, 500g, 1kg, 100mg, 250mg.