CAS 90396-00-2 appears in our catalog under these names: 3-(4-Chloro-benzenesulfonyl)-propionic acid, 98%, 3-((4-Chlorophenyl)sulfonyl)propanoic acid, 98%, propanoic acid, 3-[(4-chlorophenyl)sulfonyl]-, 98%, 98%. Offered by: Combi-blocks, AmBeed, Chemat, Fluorochem. Available pack sizes: 250mg, 5g, 1g, 100mg, 50mg, 500mg.