CAS 207974-14-9 appears in our catalog under these names: 4-Bromo-2,5-difluorobenzenesulfonyl chloride, 95%, 4–Bromo–2,5–difluorobenzenesulfonyl chloride, 4-BROMO-2,5-DIFLUOROBENZENESULFONYL CHL&, 4-Bromo-2,5-difluorobenzenesulfonyl chloride. Offered by: Combi-blocks, GLPBio, Sigma-Aldrich, Fluorochem. Available pack sizes: 5g, 100g, 500g, 25g, 1g.