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Merck
CN

90081

3-O-Methylquercetin

≥97% (HPLC)

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):
C16H12O7
CAS Number:
Molecular Weight:
316.26
UNSPSC Code:
12352202
NACRES:
NA.32
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
324509
Assay:
≥97% (HPLC)
Form:
powder
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Quality Segment

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

Storage Class

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

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable



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