Betamethasone Dipropionate EP Impurity D (Betamethasone 21-Acetate 17-Propionate)(en-17) Betamethasone Dipropionate EP Impurity D (Betamethasone 21-Acetate 17-Propionate)
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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)
B-065004 | 100mg
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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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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 Dipropionate EP Impurity I(en-17) Betamethasone Dipropionate EP Impurity I
B-065069 | 100mg
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Betamethasone Dipropionate EP Impurity H (6-alpha-Bromo Betamethasone Dipropionate)(en-17) Betamethasone Dipropionate EP Impurity H (6-alpha-Bromo Betamethasone Dipropionate)
B-065024 | 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 EP Impurity D(en-17) Betamethasone EP Impurity D
B-065016 | 100mg
化合物名称:Betamethasone Dipropionate EP Impurity D (Betamethasone 21-Acetate 17-Propionate)
同义词:(8S,9R,10S,11S,13S,14S,16S,17R)-17-(2-acetoxyacetyl)-9-fluoro-11-hydroxy-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 propionate
CAS 号:5514-81-8
其他 CAS 号:
分子式:C27H35FO7
分子量:/
结构式图片:
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2. 重复性测试:RSD≤2.0%;
3. 加标回收率:控制在95%-105%。
2. 色谱条件优化:平衡色谱柱至基线稳定;
3. 梯度程序:初始乙腈比例30%,30分钟内线性升至60%;
4. 积分参数:峰面积归一化法计算杂质含量。
2. 色谱柱品牌可能影响分离效果,建议参照标准附录推荐型号;
3. 样品溶液需现配现用,避免降解干扰。
以上信息仅供参考,请以相应标准的原文为准!