CAS 35017-55-1 appears in our catalog under these names: 4-[(4-Methylphenyl)sulfonyl]-3,4-dihydro-2h-1,4-benzoxazine-2-carboxylic acid, 95%, 4-[(4-methylphenyl)sulfonyl]-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid. Offered by: Combi-blocks, Fluorochem. Available pack sizes: 1g, 5g.