所有图片(1)
About This Item
经验公式（希尔记法）:
C27H44O2
CAS号:
分子量:
400.64
EC 号:
MDL编号:
UNSPSC代码:
12352205
PubChem化学物质编号:
NACRES:
NA.24
质量水平
检测方案
98% (CP)
形式
solution
浓度
50 μg/mL in ethanol
技术
mass spectrometry (MS): suitable
颜色
colorless
mp
-144.0 °C
应用
detection
储存温度
−20°C
SMILES字符串
C[C@H](CCCC(C)(C)O)[C@H]1CC[C@H]2\C(CCC[C@]12C)=C\C=C3\C[C@H](O)CCC3=C
InChI
1S/C27H44O2/c1-19-10-13-23(28)18-22(19)12-11-21-9-7-17-27(5)24(14-15-25(21)27)20(2)8-6-16-26(3,4)29/h11-12,20,23-25,28-29H,1,6-10,13-18H2,2-5H3/b21-11+,22-12-/t20-,23-,24-,25+,27-/m1/s1
InChI key
JWUBBDSIWDLEOM-UEGFJKGBSA-N
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一般描述
3-epi-25-Hydroxyvitamin D3 (C3-epimer) is a metabolite of vitamin D3. It is an epimer of 25-hydroxyvitamin D3 which differs only at C-3 position wherein -OH group at C-3 carbon is in the α orientation rather than in the β orientation.
应用
This product may be used as an analytical standard.
包装
1 mL in ampule
警示用语：
Danger
危险声明
危险分类
Eye Irrit. 2 - Flam. Liq. 2
WGK
WGK 1
闪点(°F)
closed cup
闪点(°C)
closed cup
法规信息
危险化学品
Overestimation of 25-hydroxyvitamin D3 by increased ionisation efficiency of 3-epi-25-hydroxyvitamin D3 in LC-MS/MS methods not separating both metabolites as determined by an LC-MS/MS method for separate quantification of 25-hydroxyvitamin D3, 3-epi-25-hydroxyvitamin D3 and 25-hydroxyvitamin D2 in human serum
van den Ouweland JMW, et al.
Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences, 967, 195-202 (2014)
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