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Merck

90081

3-O-Methylquercetin

≥97% (HPLC)

Synonyme(s) :

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

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A propos de cet article

Formule empirique (notation de Hill) :
C16H12O7
Numéro CAS:
Poids moléculaire :
316.26
UNSPSC Code:
12352202
NACRES:
NA.32
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
324509
Assay:
≥97% (HPLC)
Form:
powder
Quality level:
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Quality Level

assay

≥97% (HPLC)

form

powder

SMILES string

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

InChI key

WEPBGSIAWZTEJR-UHFFFAOYSA-N

Biochem/physiol Actions

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.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

pictograms

Skull and crossbones

signalword

Danger

hcodes

Hazard Classifications

Acute Tox. 3 Oral

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Classe de stockage

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


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Consulter la Bibliothèque de documents

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
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)
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
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
Ana Paula Preczenhak et al.
Food chemistry, 286, 600-607 (2019-03-05)
This study investigated the effectiveness of cysteine in conservation of bioactive compounds and the antioxidant capacity of minimally processed red beet. After red beet minimal processing increasing cysteine concentrations were applied, corresponding to control, 2 mM, 4 mM, 8 mM and 16 mM. Assay

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