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90081

Sigma-Aldrich

3-O-Methylquercetin

≥97% (HPLC)

Synonyme(s) :

5,7,3′ ,4′ -Tetrahydroxy-3-methoxyflavone, Quercetin 3-O-methyl ether

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About This Item

Formule empirique (notation de Hill):
C16H12O7
Numéro CAS:
1486-70-0
Poids moléculaire :
316.26
Numéro Beilstein :
324509
Numéro MDL:
MFCD00210588
Code UNSPSC :
12352202
ID de substance PubChem :
329769845
Nomenclature NACRES :
NA.32

Niveau de qualité

100

Pureté

≥97% (HPLC)

Forme

powder

Chaîne SMILES 

COC1=C(Oc2cc(O)cc(O)c2C1=O)c3ccc(O)c(O)c3

InChI

1S/C16H12O7/c1-22-16-14(21)13-11(20)5-8(17)6-12(13)23-15(16)7-2-3-9(18)10(19)4-7/h2-6,17-20H,1H3

Clé InChI

WEPBGSIAWZTEJR-UHFFFAOYSA-N

Actions biochimiques/physiologiques

3-O-Methylquercetin significantly inhibits cyclic adenosine monophosphate- (cAMP-) and cyclic guanosine monophosphate- (cGMP-) phosphodiesterase activity. It possess anti-inflammatory, bronchodilating properties and used in treatment of asthma. It suppresses the total inflammatory cells, tumor necrosis factor-α (TNF-α) and attenuates the production of interleukins.
3-O-Methylquercetin is a metabolite in flavone and flavonol biosynthesis. It is a naturally occurring compound present in various plants, and was shown to have potent anticancer-promoting, antioxidant, antiallergy, and antimicrobial activity, and showed strong anti-viral activity inhibition of tomato ringspot virus.

Conditionnement

Bottomless glass bottle. Contents are inside inserted fused cone.

Pictogrammes

Skull and crossbones
GHS06

Mention d'avertissement

Danger

Mentions de danger

H301

Conseils de prudence

P301 + P310

Classification des risques

Acute Tox. 3 Oral

Code de la classe de stockage

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

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C Angeloni et al.
Biochimie, 89(1), 73-82 (2006-10-19)
The aim of this study was to investigate the potential of quercetin and two of its "in vivo" metabolites, 3'-O-methyl quercetin and 4'-O-methyl quercetin, to protect H9c2 cardiomyoblasts against H(2)O(2)-induced oxidative stress. As limited data are available regarding the potential
Clement K Ameho et al.
The Journal of nutritional biochemistry, 19(7), 467-474 (2007-10-02)
Dietary antioxidants interact in a dynamic fashion, including recycling and sparing one another, to decrease oxidative stress. Limited information is available regarding the interrelationships in vivo between quercetin and vitamin E. We investigated the antioxidant activity and metabolism of quercetin
L Van Puyvelde et al.
Journal of natural products, 52(3), 629-633 (1989-05-01)
3,5-Dihydroxy-6,7,8-trimethoxyflavone, 3-O-methylquercetin, and helichrysetin were isolated from the flowers of the Rwandese medicinal plant, Helichrysum odoratissimum. Because of inconsistencies of the mp of the latter chalcone, a synthesis of helichrysetin was developed. 3-O-Methylquercetin was shown to be an active principle
Hyang Dok-Go et al.
Brain research, 965(1-2), 130-136 (2003-02-20)
The flavonoids quercetin, (+)-dihydroquercetin, and quercetin 3-methyl ether were isolated from the ethyl acetate fractions of the fruits and stems of Opuntia ficus-indica var. saboten. In the present study, we evaluated their protective effects against oxidative neuronal injuries induced in
Mechanisms of suppression of nitric oxide production by 3-O-methylquercetin in RAW 264.7 cells
Jiang JS, et al.
Journal of Ethnopharmacology, 103(2), 281-287 (2006)
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