SHI, Ying,LI, Kun,ZHAO, Xuebin,XIE, Zan,MA, Yuxiu,LV, Jian,JIA, Ming
申请号:
ES11854210
公开号:
ES2746045T3
申请日:
2011.12.22
申请国别(地区):
ES
年份:
2020
代理人:
摘要:
Provided is a crystalline form E of ertapenem sodium. Further provided is a method for preparing a crystalline form E of ertapenem sodium, characterized by using an aqueous ertapenem sodium solution at a low concentration as a raw material. The crystalline form E can be easily filtered and dried, the properties in the drying process are stable, and the purity of the crystal is high and can be up to 98.5% or higher.