2,3-Dimethyl-6-nitro-2H-indazole

In the molecule of the title compound, C9H9N3O2, the indazole ring system is almost planar [maximum deviation = 0.019 (3) for the C atom bearing the nitro group]. In the crystal structure, intermolecular C—H...O interactions link the molecules into centrosymmetric dimers, forming R22(18) ring motifs. Aromatic π–π contacts between indazole rings [centroid–centroid distances = 3.632 (1) and 3.705 (1) ] may further stabilize the structure.