| Identification | Back Directory | [Name]
QUERCETINPENTAACETATE | [CAS]
1064-06-8 | [Synonyms]
Quercetin acetate
Pentaacetylquercetin
Quercetine pentaacetate
3,3',4',5,7-Pentaacetoxyflavone
3,3',4',5,7-Penta(acetyloxy)flavone
3,5,7-triacetoxy-2-(3,4-diacetoxy-phenyl)-chromen-4-one
[5,7-Diacetyloxy-2-(3,4-diacetyloxyphenyl)-4-oxochromen-3-yl] Acetate
4H-1-Benzopyran-4-one, 3,5,7-tris(acetyloxy)-2-[3,4-bis(acetyloxy)phenyl]- | [Molecular Formula]
C25H20O12 | [MDL Number]
MFCD00219362 | [MOL File]
1064-06-8.mol | [Molecular Weight]
512.42 |
| Chemical Properties | Back Directory | [Melting point ]
193 °C | [Boiling point ]
666.4±55.0 °C(Predicted) | [density ]
1.45±0.1 g/cm3(Predicted) | [storage temp. ]
Store at -20°C | [solubility ]
Dichloromethane, Ethyl Acetate | [form ]
Solid | [color ]
Beige |
| Hazard Information | Back Directory | [Description]
Pentaacetylquercetin is a pentaacetylated derivative of the flavonoid quercetin that has diverse biological activities, including antioxidant, anti-inflammatory, and anticancer properties. It scavenges 2,2-diphenyl-1-picrylhydrazyl (DPPH; ) radicals in vitro (IC50 = 3.74 μg/ml) and inhibits iron(II) chloride-induced lipid peroxidation in rat liver mitochondria (IC50 = 20.2 μg/ml). Pentaacetylquercetin inhibits LPS-induced increases in nitrite (IC50 = 8.7 μM) and PGE2 production, as well as inducible nitric oxide synthase (iNOS) and COX-2 levels, in RAW 264.7 cells when used at concentrations of 20 and 40 μM. It also inhibits the growth of HL-60, U937, and SK-MEL-1 cells (IC50s = 38, 25, and 58 μM, respectively). | [Uses]
[5,7-Diacetyloxy-2-(3,4-diacetyloxyphenyl)-4-oxochromen-3-yl] Acetate is an intermediate in the synthesis of Quercetin Dihydrate (Q509500), which is a lavonoid with anticancer activity. It is a mitochondrial ATPase and phosphodiesterase inhibitor. It Inhibits PI3-kinase activity and slightly inhibits PIP kinase activity. Quercetin has antiproliferative effects on cancer cell lines, reduces cancer cell growth via type II estrogen receptors, and arrests human leukemic T cells in late G1 phase of the cell cycle. |
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