The invention provides a method for producing a crystal of a uracil compound with high purity by a process which can be carried out in an industrial scale. Specifically, the invention provides a method for producing a crystal of a uracil compound, wherein the method comprises dissolving a composition comprising a uracil compound represented by formula (1)
in organic solvents consisting of a C3-C6 alcohol solvent and an aromatic solvent to obtain a solution, and precipitating a crystal of said uracil compound from the solution.
                            本发明提供了一种生产尿
嘧啶化合物晶体的高纯度方法,该方法可在工业规模下进行。具体来说,本发明提供了一种生产尿
嘧啶化合物晶体的方法,其中该方法包括将一个由式(1)表示的尿
嘧啶化合物组成的溶液在由C3-C6醇溶剂和芳香溶剂组成的有机溶剂中溶解,并从溶液中沉淀出所述尿
嘧啶化合物的晶体。