CAS 254878-95-0 appears in our catalog under these names: 3-Fluoro-4-(methylsulfonyl)benzaldehyde, 98%, 3-Fluoro-4-(methylsulphonyl)benzaldehyde, 3-Fluoro-4-(methanesulfonyl)benzaldehyde, 98%, 98%. Offered by: Combi-blocks, AmBeed, Biosynth, Chemat, Fluorochem. Available pack sizes: 250mg, 5g, 1g, 100mg, 0,5g, 25g, 10g.