Fun, H.-K.Ching Kheng, C.K.Chandrakantha, B.Isloor, A.M.Shetty, P.2026-02-052010Acta Crystallographica Section E: Structure Reports Online, 2010, 66, 9, pp. o2228-16005368https://doi.org/10.1107/S1600536810030643https://idr.nitk.ac.in/handle/123456789/27420In the title compound, C<inf>16</inf>H<inf>20</inf>N<inf>2</inf>O <inf>2</inf>, the pyrazole ring is essentially planar [maximum deviation = 0.008 (2) Å] and is inclined at an angle of 82.82 (10)° with respect to the phenyl ring. The crystal packing is consolidated by pairs of intermolecular C-H?O hydrogen bonds, which link the molecules into centrosymmetric dimers stacked along the a axis.Ethyl 1-tert-butyl-5-phenyl-1H-pyrazole-4-carboxylate