The invention relates to novel stable polymorphic form FC-1 of Febuxostat [2-[3-cyano- 4-(2-Methyl-propoxy)pheriyl]-4-methyl-5-thiazole carboxylic acid]. The invention also provides process for the preparation of novel stable polymorphic form FC-1 with >99.8% HPLC purity.
该发明涉及非
洛匹那韦(2-[3-
氰基-4-(2-甲基丙氧基)苯基]-4-甲基-5-
噻唑羧酸)的新稳定多晶形式FC-1。该发明还提供了制备新稳定多晶形式FC-1的工艺,其高效
液相色谱纯度>99.8%。