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1H,3H-Pyrano[3,4-c]pyran-1-one,5-ethenyl-6-(b-D-glucopyranosyloxy)-5,6-dihydro-,(5R,6S)- (20831-76-9)

Identification
Name:1H,3H-Pyrano[3,4-c]pyran-1-one,5-ethenyl-6-(b-D-glucopyranosyloxy)-5,6-dihydro-,(5R,6S)-
Synonyms:1H,3H-Pyrano[3,4-c]pyran-1-one,5-ethenyl-6-(b-D-glucopyranosyloxy)-5,6-dihydro-,(5R-trans)-;Gentiopicrin (6CI);Gentiopicroside (7CI,8CI);NSC 606402;
CAS:20831-76-9
EINECS: 244-070-2
Molecular Formula: C16H20O9
Molecular Weight: 356.33
InChI: InChI=1/C16H20O9/c1-2-7-8-3-4-22-14(21)9(8)6-23-15(7)25-16-13(20)12(19)11(18)10(5-17)24-16/h2-3,6-7,10-13,15-20H,1,4-5H2/t7-,10-,11-,12+,13-,15+,16+/m1/s1
Molecular Structure: (C16H20O9) 1H,3H-Pyrano[3,4-c]pyran-1-one,5-ethenyl-6-(b-D-glucopyranosyloxy)-5,6-dihydro-,(5R-trans)-;Gentiopi...
Properties
Density:1.52 g/cm3
Refractive index:1.623
Alpha:-200 º (C=2, H2O)
Solubility:43 g/L (25 C)
Appearance:White powder
Specification:

 1H,3H-Pyrano[3,4-c]pyran-1-one,5-ethenyl-6-(b-D-glucopyranosyloxy)-5,6-dihydro-,(5R,6S)- , its cas register number is 20831-76-9. It also can be called Gentiopicrin ; (5beta-trans)-6-(beta-D-Glucopyranosyloxy)-5,6-dihydro-5-vinyl-1H,3H-pyrano[3,4-c]pyran-1-one ; and Gentiopicroside .

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