The invention discloses three crystal forms of 5 - methyl - 7 methoxy isoflavone, a preparation method thereof and a pharmaceutical composition and the use thereof. Specifically, the invention discloses in the solid state 5 - methyl - 7 - methoxy isoflavone compounds are crystal A, crystal B, crystal C three forms; methods for the preparation of the three crystal samples; using 5 - methyl - 7 - methoxy isoflavone of different crystalline substances as the activity of a variety of preparation and pharmaceutical composition prepared by the developed application in the prevention and treatment of cardiovascular disease, nervous system disease, osteoporosis, inflammation, metabolic disorders and other diseases.
【技术实现步骤摘要】
【技术保护点】
5-甲基-7-甲氧异黄酮的晶A型固体物质,其特征在于,其化学纯度与晶型纯度均大于95%且不含结晶水或其它结晶溶剂成分,当使用粉末X射线衍射分析采用CuK↓[a]辐射实验条件时衍射峰位置2-Theta值(°)或d值(*)、衍射峰相对强度峰高值(Height%)或峰面积值(Area%)具有如下表示: ***。
【技术特征摘要】
【专利技术属性】
技术研发人员:杜冠华,吕扬,安会梅,孙岚,应剑,吕丽娟,赵艳,
申请(专利权)人:中国医学科学院药物研究所,
类型:发明
国别省市:11[中国|北京]
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