Ethyl 5-chloromethyl-2-methylsulfanyl-7-phenyl-4,7-dihydro-1,2,4-triazolo[1,5-a]pyrimidine-6-carboxylate

In the title compound, C16H17ClN4O2S, the bicyclic triazolopyrimidine ring system is nearly planar and oriented with respect to the benzene ring at a dihedral angle of 87.24 (3)°. In the crystal structure, intermolecular N—H...N hydrogen bonds link the molecules into centrosymmetric dimers; an intramolecular C—H...O hydrogen bond is also present.