产品编号：D481138

产品规格：250mg

产品价格：面议

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产品详情

标准品编号:	D481138
名称:	(11β,16α)-21-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-11,16,17-trihydroxy-pregna-1,4-diene-3,20-dione
别名:	(8S,9S,10R,11S,13S,14S,16R,17S)-17-(2-((tert-Butyldimethylsilyl)oxy)acetyl)-11,16,17-trihydroxy-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one
CAS号:	1221150-20-4
分子式:	C₂₇H₄₂O₆Si
外观:	白色固体
分子量:	490.7
溶解性:	Dichloromethane, Ethyl Acetate
种类:	Standards; Steroids; Pharmaceutical/API Drug Impurities/Metabolites;
应用:	(11β,16α)-21-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-11,16,17-trihydroxy-pregna-1,4-diene-3,20-dione is an intermediate in the synthesis of 16α-Butyloxyprednisolone (B693880). 16α-Butyloxyprednisolone (Budesonide EP Impurity I) is an impurity of Budesonide (B689460), a non-halogenated glucocorticoid intended for the local treatment of lung disease.
参考文献	Ryrfeldt, Å., et al.: Eur. J. Respir. Dis., 122, 86 (1981); Vestbo, J., et al.: Lancet, 353, 1819 (1999)