4-(5-Oxo-5 H -1,2,4-dithiazol-3-yl)phenyl 4-methylbenzenesulfonate

In the molecular structure of the title compound, C15H11NO4S3, the 1,2,4-dithiazolone and central benzene rings are approximately coplanar, making a dihedral angle of 3.08 (7)°. The central benzene ring and the 4-methylbenzene ring subtend a dihedral angle of 57.47 (8)°. In the crystal, π–π stacking occurs between the central benzene ring and the 1,2,4-dithiazolone ring of adjacent molecules, which are aligned almost parallel, the centroid–centroid distance being 3.555 (7) Å.