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1-[4-(1,2,4-thiazole-5-thione]-3-benzoyl thiourea was synthesized by the reaction of 4-amino-1,2,4-thiazole-5-thione，potassium thiocyanate and Benzoyl chloride in ethyl acetate. Single crystals suitable for X-ray measurement were obtained by recrystallization with the mixture solvent of dimethyl formamide，ethanol and distilled water at room temperature. The crystal structure was determined by X-ray diffraction analysis. Crystallographic data: C10H14N4O4S，Mr=278.33，Triclinic，space group P-1 with a=0.70287(15)nm，b=0.77808(17)nm，c=1.1728(3)nm，β=107.172(3)°，V=0.5968(2)nm3，Dc=1.549 g·cm-3，μ=4.41 cm-1，F(000)=286，Z=2,R1=0.0430 and wR2=0.1125.