56782-99-1

Basic information

• Product Name: quercetin-3-O-galactoside-7-O-glucoside
• Synonyms: quercetin-3-O-galactoside-7-O-glucoside
• CAS NO: 56782-99-1
• Molecular Formula: C₂₇H₃₀O₁₇
• Molecular Weight: 626.52
• Mol File: 56782-99-1.mol
• Article Data: 3

Chemical Properties

• Boiling Point: 1049.9°Cat760mmHg
• Flash Point: 345.9°C
• Appearance: /
• Density: 1.89g/cm³
• Vapor Pressure: 0mmHg at 25°C
• Refractive Index: 1.785
• CAS DataBase Reference: quercetin-3-O-galactoside-7-O-glucoside(CAS DataBase Reference)
• NIST Chemistry Reference: quercetin-3-O-galactoside-7-O-glucoside(56782-99-1)
• EPA Substance Registry System: quercetin-3-O-galactoside-7-O-glucoside(56782-99-1)

Safety Data

• Hazardous Substances Data: 56782-99-1(Hazardous Substances Data)

Usage

InChI:InChI=1/C27H30O17/c28-6-14-17(33)20(36)22(38)26(42-14)40-9-4-12(32)16-13(5-9)41-24(8-1-2-10(30)11(31)3-8)25(19(16)35)44-27-23(39)21(37)18(34)15(7-29)43-27/h1-5,14-15,17-18,20-23,26-34,36-39H,6-7H2/t14-,15-,17-,18+,20+,21+,22-,23-,26-,27+/m1/s1

Upstream product

• 133-89-1 UDP-glucose 
• 117-39-5 quercetol 
• 6919-96-6 2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide 
• 1542609-36-8 C₃₅H₃₈O₂₁ 
• 482-35-9 isoquercetin 
• 1332833-27-8 5,7-bisbenzyloxy-2-(3,4-bisbenzyloxyphenyl)-3-(β-D-glucopyranosyloxy)-4H-chromen-4-one 
• 1332833-26-7 C₅₇H₅₂O₁₆ 
• 116973-12-7 5,7-bis(benzyloxy)-2-(3,4-bis(benzyloxy)phenyl)-3-hydroxy-4H-chromen-4-one 
• 153-18-4 rutin 

Downstream Products

• 50-99-7 D-glucose 
• 117-39-5 quercetol 

Relevant articles and documents

Synthesis of quercetin glycosides and their melanogenesis stimulatory activity in B16 melanoma cells

4′-O-β-d-Glucopyranosyl-quercetin-3-O-β-d-glucopyranosyl- (1→4)-β-d-glucopyra-noside (3) was isolated from Helminthostachys zeylanica root extract as a melanogenesis acceleration compound and was synthesized using rutin as the starting material Related compounds were also synthesized to understand the structure-activity relationships in melanin biosynthesis Melanogenesis activities of the glycosides were determined by measuring intracellular melanin content in B16 melanoma cells Among the synthesized quercetin glycosides, quercetin-3-O-β-d-glucopyranoside (1), quercetin-3-O-β-d-glucopyranosyl-(1→4)-β-d-glucopyranoside (2), and 3 showed more potent intracellular melanogenesis acceleration activities than theophyline used as positive control in a dose-dependent manner with no cytotoxic effect

Glucosylation of Quercetin by a Cell Suspension Culture of Vitis sp.

A cell suspension culture of a Vitis hybrid converted quercetin to six glucosides.Their structures were identified as quercetin 3-O-β-D-glucopyranoside, quercetin 3,4'-di-O-β-D-glucopyranoside, quercetin 3,7-di-O-β-D-glucopyranoside, isorhamnetin 3-O-β-D-glucopyranoside, isorhamnetin 3,4'-di-O-β-D-glucopyranoside, and isorhamnetin 3,7-di-O-β-D-glucopyranoside by UV, FD-MS, 1H-NMR, 13C-NMR spectroscopy and TLC analysis.The course of conversion was also investigated and it was shown that quercetin 3-O-glucoside reached the maximum yield of 31 percent in 24 hr and then gradually disappeared accompanied by the production of quercetin 3,4'- and 3,7-di-O-glucosides.Although the same rise and fall relationship was observed between isorhamnetin 3-O-glucoside and isorhamnetin 3,4'- or 3,7-di-O-glucoside, their conversion ratios were much lower than those of quercetin glucosides.