中文名称： 庚酸雌二醇
中文别名：  雌二醇庚酸酯
英文名称： B-estradiol 17-enanthate
英文别名：  Oestradiol 17-Heptanoate; Estra-1,3,5(10)-triene-3,17b-diol 17-heptanoate; Estradiol Enanthate; (17beta)-3-hydroxyestra-1,3,5(10)-trien-17-yl heptanoate
CAS号： 4956-37-0
EINECS号： 225-599-8
分子式： C25H36O3
分子量： 384.5515
InChI： InChI=1/C25H36O3/c1-3-4-5-6-7-24(27)28-23-13-12-22-21-10-8-17-16-18(26)9-11-19(17)20(21)14-15-25(22,23)2/h9,11,16,20-23,26H,3-8,10,12-15H2,1-2H3/t20-,21-,22+,23+,25+/m1/s1
密度： 1.11g/cm3
沸点： 509.5°C at 760 mmHg
闪点： 197.1°C
蒸汽压： 5.27E-11mmHg at 25°C
 

检验项目Item

质量标准Spec.

性状Characteristics

白色粉末White powder

鉴别Identification

IR

熔点Melting point

143~150℃

比旋度Specific rotation

+41~+47°

水分Water

≤0.10%

雌二醇限度Limit of estradiol

≤1.0%

杂质Ordinary impurities

≤2%

游离酸Free acid

≤0.50%

残留溶剂 Residual solvent

甲醇Methanol

≤3000ppm

二氯甲烷Methylene dichloride

≤600ppm

细度Micron

100%≤20μm

含量Assay

98.0%~102.0%