龙胆; 龙胆苦甙; 龙胆苦甙
(5R,6S)-6-{[(2S,3R,4S,5S,6R)-3,4,5-Trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl]oxy}-5-vinyl-5,6-dihydro-1H,3H-pyrano[3,4-c]pyran-1-on; Gentiop icroin; EINECS 244-070-2; (5R,6S)-5-éthènyl-6-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxyméthyl)tétrahydro-2H-pyran-2-yl]oxy}-5,6-dihydro-1H,3H-pyrano[3,4-c]pyran-1-one; (5R,6S)-5-ethenyl-1-oxo-5,6-dihydro-1H,3H-pyrano[3,4-c]pyran-6-yl β-D-glucopyranoside; MFCD00075700; (5R-trans)-5-Ethenyl-6-(b-D-glucopyranosyloxy)-5,6-dihydro-1H,3H-pyrano[3,4-c]pyran-1-one; Gentiopicroside; β-D-Glucopyranoside de (5R,6S)-5-éthènyl-1-oxo-5,6-dihydro-1H,3H-pyrano[3,4-c]pyran-6-yle; (5R,6S)-1-Oxo-5-vinyl-5,6-dihydro-1H,3H-pyrano[3,4-c]pyran-6-yl β-D-glucopyranoside; (5R,6S)-6-{[(2S,3R,4S,5S,6R)-3,4,5-Trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl]oxy}-5-vinyl-5,6-dihydro-1H,3H-pyrano[3,4-c]pyran-1-one; (5R-trans)-5-Ethenyl-6-(β-d-glucopyranosyloxy)-5,6-dihydro-1H,3H-pyrano[3,4-c]pyran-1-one; (5R,6S)-1-Oxo-5-vinyl-5,6-dihydro-1H,3H-pyrano[3,4-c]pyr-6-yl-β-D-glucopyranoside; 1H,3H-Pyrano[3,4-c]pyran-1-one, 5-ethenyl-6-(β-D-glucopyranosyloxy)-5,6-dihydro-, (5R,6S)-; GENTIOPICRIN; (5R,6S)-1-Oxo-5-vinyl-5,6-dihydro-1H,3H-pyrano[3,4-c]pyr-6-yl-beta-D-glucopyranoside; (5R,6S)-1-Oxo-5-vinyl-5,6-dihydro-1H,3H-pyrano[3,4-c]pyran-6-yl beta-D-glucopyranoside; (5R-trans)-5-Ethenyl-6-(.beta.-d-glucopyranosyloxy)-5,6-dihydro-1H,3H-pyrano[3,4-c]pyran-1-one; 1H,3H-pyrano[3,4-c]pyran-1-one, 5-ethenyl-6-(beta-D-glucopyranosyloxy)-5,6-dihydro-, (5R,6S)-; 20831-76-9; (5R,6S)-5-ethenyl-1-oxo-5,6-dihydro-1H,3H-pyrano[3,4-c]pyran-6-yl beta-D-glucopyranoside; (5S,6R)-5-ethenyl-1-oxo-5,6-dihydro-1H,3H-pyrano[3,4-c]pyran-6-yl hexopyranoside; gentiopicroside
-20°C;避免加热
五、分子性质数据: 1、 摩尔折射率:82.20 2、 摩尔体积(m3/mol):233.0 3、 等张比容(90.2K):679.6 4、 表面张力(dyne/cm):72.3 5、 极化率(10-24cm3):32.58
1.疏水参数计算参考值(XlogP):-1.2 2.氢键供体数量:4 3.氢键受体数量:9 4.可旋转化学键数量:4 5.互变异构体数量:无 6.拓扑分子极性表面积135 7.重原子数量:25 8.表面电荷:0 9.复杂度:598 10.同位素原子数量:0 11.确定原子立构中心数量:7 12.不确定原子立构中心数量:0 13.确定化学键立构中心数量:0 14.不确定化学键立构中心数量:0 15.共价键单元数量:1
1. 性状: 黄白色易吸湿粉末 2. 密度(g/mL,25/4 ℃ ): 未确定 3.相对蒸汽密度(g/mL,空气=1):未确定 4.熔点(ºC):未确定 5.沸点(ºC,常压):未确定 6.沸点(ºC,5.2kPa):未确定 7.折射率:未确定 8.闪点(ºC):未确定 9.比旋光度(º):未确定 10.自燃点或引燃温度(ºC):未确定 11.蒸气压(kPa,25ºC):未确定 12.饱和蒸气压(kPa,60ºC):未确定 13.燃烧热(KJ/mol):未确定 14.临界温度(ºC):未确定 15.临界压力(KPa):未确定 16.油水(辛醇/水)分配系数的对数值:未确定 17.爆炸上限(%,V/V):未确定 18.爆炸下限(%,V/V):未确定 19.溶解性:未确定