5-(2-Hydroxyphenyl)-3-methyl-4,5-dihydro-1H-pyrazole-1-carbaldehyde

In the title compound, C11H12N2O2, the dihydropyrazole and benzene rings are oriented at a dihedral angle of 68.35 (5)degrees. The dihydropyrazole ring is planar, with a mean deviation from the mean plane of 0.0409 angstrom. The crystal structure is stabilized by O-H center dot center dot center dot O and C-H center dot center dot center dot O hydrogen bonds.