Betamethasone EP Impurity D(en-17) Betamethasone EP Impurity D
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Betamethasone Valerate EP Impurity D(en-17) Betamethasone Valerate EP Impurity D
B-065023 | 100mg
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Betamethasone EP Impurity D
B81443-10mg | 10mg
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Betamethasone Dipropionate EP Impurity D (Betamethasone 21-Acetate 17-Propionate)(en-17) Betamethasone Dipropionate EP Impurity D (Betamethasone 21-Acetate 17-Propionate)
B-065002 | 100mg
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Betamethasone Acetate EP Impurity D (Betamethasone Acetate USP Related Compound D)(en-7) Betamethasone Acetate EP Impurity D (Betamethasone Acetate USP Related Compound D)
B-065061 | 100mg
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Betamethasone Dipropionate EP Impurity I(en-17) Betamethasone Dipropionate EP Impurity I
B-065069 | 100mg
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Betamethasone Valerate EP Impurity C(en-17) Betamethasone Valerate EP Impurity C
B-065027 | 100mg
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Betamethasone Valerate EP Impurity F(en-17) Betamethasone Valerate EP Impurity F
B-065028 | 100mg
化合物名称:Betamethasone EP Impurity D
同义词:ethyl (2-((8S,9R,10S,11S,13S,14S,16S,17R)-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl) carbonate
CAS 号:52619-05-3
其他 CAS 号:
分子式:C25H33FO7
分子量:/
结构式图片:
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2. 色谱系统适应性:理论塔板数≥5000,分离度≥1.5;
3. 进样分析:连续进样6针,保留时间RSD≤1.0%。
2. 流动相应现配现用,避免析出沉淀;
3. 若杂质峰与主成分未完全分离,需优化梯度洗脱程序。
以上信息仅供参考,请以相应标准的原文为准!