Betamethasone Dipropionate EP Impurity C (Betamethasone Dipropionate USP Related Compound C, Clobetasol Propionate EP Impurity K, Betamethasone 21-Propionate)（en-17） Betamethasone Dipropionate EP Impurity C (Betamethasone Dipropionate USP Related Compound C, Clobetasol Propionate EP Impurity K, Betamethasone 21-Propionate)
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Betamethasone Dipropionate EP Impurity B (Betamethasone Dipropionate USP Related Compound B, Clobetasol Propionate EP Impurity A, Betamethasone 17-Propionate)（en-17） Betamethasone Dipropionate EP Impurity B (Betamethasone Dipropionate USP Related Compound B, Clobetasol Propionate EP Impurity A, Betamethasone 17-Propionate)
B-065003 | 100mg
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Betamethasone Dipropionate EP Impurity B- d5 (Betamethasone Dipropionate USP Related Compound B- d5, Clobetasol Propionate EP Impurity A- d5, Betamethasone 17-Propionate- d5)
B-065010 | 100mg
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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 Dipropionate EP Impurity F (Betamethasone Dipropionate USP Related Compound F, Beclometasone Dipropionate EP Impurity J)（en-7） Betamethasone Dipropionate EP Impurity F (Betamethasone Dipropionate USP Related Compound F, Beclometasone Dipropionate EP Impurity J)
B-065014 | 100mg
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Clobetasol Propionate EP Impurity I (Betamethasone 17-Propionate 21-Mesylate)（en-17） Clobetasol Propionate EP Impurity I (Betamethasone 17-Propionate 21-Mesylate)
C-101007 | 100mg
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Betamethasone Acetate EP Impurity C (Betamethasone Acetate USP Related Compound C, Betamethasone 11,21-Diacetate)（en-17） Betamethasone Acetate EP Impurity C (Betamethasone Acetate USP Related Compound C, Betamethasone 11,21-Diacetate)
B-065062 | 100mg
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Betamethasone Dipropionate EP Impurity I（en-17） Betamethasone Dipropionate EP Impurity I
B-065069 | 100mg
化合物名称：Betamethasone Dipropionate EP Impurity C (Betamethasone Dipropionate USP Related Compound C, Clobetasol Propionate EP Impurity K, Betamethasone 21-Propionate)
同义词：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 propionate
CAS 号：75883-07-7
其他 CAS 号：
分子式：C25H33FO6
分子量：/
结构式图片：
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2. 加标样品：空白基质中添加已知浓度杂质，回收率应为90%-110%；
3. 平行进样：至少重复测定3次，RSD≤2.0%。
2. 系统适用性测试：理论塔板数≥2000，分离度≥1.5；
3. 进样分析：进样量10 μL，记录主峰与杂质峰的保留时间及峰面积。
2. 若样品中存在其他干扰物质，需验证方法专属性；
3. 实验环境需符合药典规定的温湿度控制要求。
以上信息仅供参考，请以相应标准的原文为准！