Methylprednisolone EP Impurity J (Methylprednisolone Acetate, Methylprednisolone Hydrogen Succinate EP Impurity C)（en-17） Methylprednisolone EP Impurity J (Methylprednisolone Acetate, Methylprednisolone Hydrogen Succinate EP Impurity C)
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Methylprednisolone (Methylprednisolone Acetate EP Impurity B, Methylprednisolone Hydrogen Succinate EP Impurity A)（en-3） Methylprednisolone (Methylprednisolone Acetate EP Impurity B, Methylprednisolone Hydrogen Succinate EP Impurity A)
P-111149 | 100mg
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Methylprednisolone-d3 (Methylprednisolone Acetate EP Impurity B-d3, Methylprednisolone Hydrogen Succinate EP Impurity A-d3)（en-3） Methylprednisolone-d3 (Methylprednisolone Acetate EP Impurity B-d3, Methylprednisolone Hydrogen Succinate EP Impurity A-d3)
P-111249 | 100mg
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Methylprednisolone Acetate EP Impurity J（en-17） Methylprednisolone Acetate EP Impurity J
P-11197 | 100mg
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Methylprednisolone EP Impurity B (Methylprednisolone Acetate EP Impurity C)（en-17） Methylprednisolone EP Impurity B (Methylprednisolone Acetate EP Impurity C)
P-11120 | 100mg
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Methylprednisolone EP Impurity A Hydrogen Succinate（en-17） Methylprednisolone EP Impurity A Hydrogen Succinate
P-111102 | 100mg
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Methylprednisolone Hydrogen Succinate EP Impurity F（en-17） Methylprednisolone Hydrogen Succinate EP Impurity F
P-11117 | 100mg
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Methylprednisolone Hydrogen Succinate EP Impurity B (Methylprednisolone Hemisuccinate USP Related Compound B, Methylprednisolone 17-Hydrogen Succinate)（en-17） Methylprednisolone Hydrogen Succinate EP Impurity B (Methylprednisolone Hemisuccinate USP Related Compound B, Methylprednisolone 17-Hydrogen Succinate)
P-11115 | 100mg
化合物名称：Methylprednisolone EP Impurity J (Methylprednisolone Acetate, Methylprednisolone Hydrogen Succinate EP Impurity C)
同义词：2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate
CAS 号：53-36-1
其他 CAS 号：
分子式：C24H32O6
分子量：/
结构式图片：
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1. 色谱柱：C18反相色谱柱（250 mm×4.6 mm，5 μm）
2. 流动相：乙腈-磷酸盐缓冲液（梯度洗脱）
3. 检测波长：254 nm
4. 流速：1.0 mL/min
2. 加标回收率需在90%-110%范围内
3. 系统适用性溶液要求理论塔板数≥2000，拖尾因子≤2.0
2. 系统适应性测试：连续进样5针对照溶液，RSD≤2.0%
3. 分离度验证：杂质J与主成分峰的分离度≥1.5
2. 流动相需现配现用，避免微生物滋生
3. 需同步检测关联杂质（如氧化降解物）
以上信息仅供参考，请以相应标准的原文为准！