CAS 849035-76-3 appears in our catalog under these names: 4-Chloro-2-(methylsulfonyl)benzaldehyde, 95%, 4-Chloro-2-(methylsulfonyl)benzaldehyde, 98%. Offered by: Combi-blocks, AmBeed, Chemat, Fluorochem. Available pack sizes: 1g, 25g, 100mg, 250mg, 10g.