Refining method of cisatracurium besilate

The invention provides a refining method of cisatracurium besilate, which is characterized in that a surfactant is added during refining to improve the stability of a product, each detection item of a prepared sample can meet the existing quality standard, the method is simple to operate and suitable for industrial production, and the prepared cisatracurium besilate is stable in property during storage, and has a good application prospect. All detection items of the prepared sample can meet the existing quality standard, and the prepared cisatracurium besilate is easier to store. 本发明提供一种苯磺顺阿曲库铵的精制方法，所述方法通过在精制时加入表面活性剂提高产品的稳定性，制备得到样品各检测项目均能满足现有的质量标准，操作简单，适合工业化生产，制备得到的苯磺顺阿曲库铵贮存期间性质稳定，制备得到样品各检测项目均能满足现有的质量标准，制备得到的苯磺顺阿曲库铵更易保存。