SHI YING,LI KUN,ZHAO XUEBIN,XIE ZAN,MA YUXIU,LV JIAN,JIA MING
申请号:
IN1266/MUMNP/2013
公开号:
IN2013MN01266A
申请日:
2013.06.27
申请国别(地区):
IN
年份:
2014
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.