化学品概述
基本信息
- 中文名称:
- 中文别名:
- 英文名称:
- 英文别名:
- 分子式:
- 分子量:
- CAS:
- EINECS编号:
- MDL编号:
- 精确质量:
- InChI:
- InChI Key:
- MOL文件:
- PSA:
- LogP:
- FEMA编码:
- COE编码:
理化性质
- 外观性质:
- 熔点:
- 沸点:
- 密度:
- 折射率:
-
比旋光度:
D20 -164° (c = 0.1 in 60% acetone); D20 -147° (c = 0.1 in 70% acetone); D20 -24° (c = 0.2 in 70% dioxane)
- 闪点:
- 溶解性:
- 酸度系数(pKa):
- 相对极性:
- PH值:
- 爆炸极限值(explosive limit):
- 敏感性:
- 储存条件:
- 检测方法:
- 蒸气压:
- Merck:
- BRN:
- NIST化学物质信息:
- EPA化学物质信息:
安全信息
- 危化品标志:
-
危化代码:
22
-
安全代码:
22-45
- 海关编码/HS编码:
- 危化品运输编码:
-
WGK Germany:
3
- RTECS:
- TSCA:
- 危化等级:
- 包装类别:
- 毒理资料:
- 灭火剂:
应用领域
草药产品分析的标准品。
制备方法/合成路线
参考资料
- Anthraquinone glucosides found in senna in equal amts and in the rhubarbs where sennoside A predominates. Isoln from Tinnevelly senna (Cassia angustifolia Vahl, Leguminosae): Stoll et al., Helv. Chim. Acta 32, 1892 (1949); GB 804232 (1958 to Byk-Gulden); Khorana, Sanghavi, J. Pharm. Sci. 53, 110 (1964); Menssen et al., US 3517269 (1970 to Nattermann & Cie). Isoln from the rhyzome of Rheum palmatum L.: Zwaving, Planta Med. 13, 474 (1965). Isoln of sennoside A from rhubarb: Miyamoto et al., Yakugaku Zasshi 87, 1040 (1967). Sennosides B, C, D, E, and F have also been isolated from rhubarb, see Oshio et al., Chem. Pharm. Bull. 22, 823 (1974). Structure: Stoll et al., Helv. Chim. Acta 33, 313 (1950). Sennoside A is built up from the dextrorotatory aglucon sennidin A and D-glucose. Sennoside B is built up from the intramolecularly compensated meso-sennidin B and D-glucose. Review: Stoll, Becker, Fortschr. Chem. Org. Naturst. 7, 248 (1950). Transport and mechanism of action studies: Dobbs et al., Farmaco Ed. Sci. 30, 147 (1975).
- MSDS
图谱
计算化学数据
-
疏水参数计算参考值(XlogP):
1.2
-
氢键供体数量 :
12
-
氢键受体数量:
20
-
可旋转化学键数量:
9
-
拓扑分子机型表面积(TPSA) :
348
-
重原子数量:
62
-
形式电荷:
0
-
复杂度:
1550
-
同位素原子数量:
0
-
确定原子立构中心数量:
12
-
不确定原子立构中心数量:
0
-
确定化学键立构中心数量:
0
-
不确定化学键立构中心数量:
0
-
共价键单元数量:
1