Disclosed are: a 2-(5-chloropyridine-3-yl)-1-(2,5-dichlorobenzyl)-4-methyl-1H-im idazole-5-carboxylic acid crystal, which is useful as a therapeutic agent or prophylactic agent against gout, hyperuricemia, and the like; and a method for producing the same.Se describen cristales de ácido 2-(5-cloropiridin-3-il)-1-(2, 5-diclorobencil)-4-metil-1H-imidazol-5-carboxílico útiles como agentes terapéuticos o profilácticos para la gota, hiperuricemia, Y similares, y un método para producir los cristales.