Add to ORKGR factor = 0.044; wR factor = 0.115; data-to-parameter ratio = 18.6. The title compound, C16H14ClNOS, a potent antibacterial chemical, features a dihedral angle of 49.4 (1) between the 4-tolyl and thiazolidinone rings, and a dihedral angle of 87.2 (5) between the thiazolidinone and 4-chlorophenyl rings. Related literature For the synthesis, see: Srivastava et al. (2002)