N-(4-Chlorobutanoyl)-N #8242;-[2-(trifluoromethyl)phenyl]thiourea

In the title compound, C12H12ClF3N2OS, the dihedral angle between the benzene ring and the thiourea fragment is 69.41 (5)°. The thiourea N—H atoms adopt an anti conformation, such that one of them forms an intramolecular N—H...O hydrogen bond, generating an S(6) ring. In the crystal, both N—H groups form inversion dimers, one via a pair of N—H...S hydrogen bonds and one via a pair of N—H...O hydrogen bonds. These lead to R22(8) and R22(12) loops, respectively. Weak C—H...Cl, C—H...F, C—H...S and π–π [centroid–centroid separation = 3.7098 (6)Å and slippage = 1.853 Å] interactions also occur.