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In the title compound, C 10 H 9 N 5 , the fused 2-methyl­imidazo[1,2- a ]pyrimidine ring system is approximately planar [dihedral angle of 1.14 (9)° between the two fused rings] and the 1 H -pyrazole ring is rotated by 28.16 (11)° out of that plane. In the crystal, the mol­ecules are linked into linear chains along the [100] direction by classical inter­molecular N—H⋯N hydrogen bonds.

2-Methyl-3-(1H-pyrazol-3-yl)imidazo[1,2-a]pyrimidine