CAS 359020-78-3 appears in our catalog under these names: 4-([(3,4-Dimethylphenyl)(methylsulfonyl)amino]methyl)benzoic acid, 95%, 4-(((3,4-DImethylphenyl)(methylsulfonyl)amino)methyl)benzoic acid, 95%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 500mg, 1g.