In the title mol-ecule, C(15)H(17)NO(3)S, the C-S-N-C(benzene) torsion angle is 81.45 (16)°, and the two aromatic rings form a dihedral angle of 45.83 (12)°. In the crystal structure, weak inter-molecular C-H⋯O hydrogen bonds link the mol-ecules into chains parallel to the b axis.