The title compound {systematic name: 2-[(3,5-dimenthylpyrazol-1-yl)meth-yl]isoindole-1,3-dione}, C(14)H(13)N(3)O(2), was prepared by reaction of N-(bromo-meth-yl)phthalimide and 3,5-dimethyl-pyrazole in chloro-form solution. The mol-ecular structure and packing are stabilized by intra-molecular C-H⋯O hydrogen-bonding and C-H⋯π inter-actions.