In the title compound, C(23)H(17)Cl(3)N(4)O, the benzene rings are oriented with respect to the pyrazole ring at dihedral angles of 39.9 (2) and 72.90 (13)° for the chloro-phenyl and di-chloro-phenyl rings, respectively. Inter-molecular C-H⋯N and C-H⋯Cl inter-actions are observed in the crystal packing.