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Merck
CN

17794

Isorhamnetin

≥95.0% (HPLC)

Synonym(s):

3′-Methoxy-3,4′,5,7-tetrahydroxyflavone, 3′-Methylquercetin, 3,4′,5,7-Tetrahydroxy 3′-methoxyflavone, Isorhamnetol, Quercetin 3′-methyl ether

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About This Item

Empirical Formula (Hill Notation):
C16H12O7
CAS Number:
480-19-3
Molecular Weight:
316.26
UNSPSC Code:
12352205
NACRES:
NA.47
PubChem Substance ID:
57647674
EC Number:
207-545-5
Beilstein/REAXYS Number:
44723
MDL number:
MFCD00017310

Key Documents

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Product Name

Isorhamnetin, ≥95.0% (HPLC)

InChI key

IZQSVPBOUDKVDZ-UHFFFAOYSA-N

InChI

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

SMILES string

COc1cc(ccc1O)C2=C(O)C(=O)c3c(O)cc(O)cc3O2

assay

≥95.0% (HPLC)

application(s)

metabolomics
vitamins, nutraceuticals, and natural products

Quality Level

100

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Related Categories

Application

Isorhamnetin (IRN) has been used:
  • as a neuroprotective agent to test its effect on scopolamine-induced cortico-hippocampal learning and memory deficiency in mice
  • as a reference standard in quadrupole time-of-flight mass spectrometry (QTOF MS) to analyze and quantify the phenolic compounds present in honey extract
  • as a reference standard to determine the phenolic profile of Artemisia species using Reversed-phase high-performance liquid chromatography with diode array detection and electrospray ionization mass spectrometry (RP-HPLC-DAD-ESI-TQ-MS/MS)

Biochem/physiol Actions

Isorhamnetin exerts antioxidant, anti-inflammatory, anti-cancer, anti-bacterial, and anti-viral effects. It has shown to be a potential neuroprotective agent by inhibiting neurodegeneration in the hippocampus under Diabetes mellitus (DM) conditions. Isorhamnetin at low levels may serve as an anti-diabetic agent by promoting glucose uptake in skeletal muscle cells and maintaining glucose homeostasis in hyperglycemic conditions. It regulates cell signaling pathways such as Nuclear factor kappa B (NF-κB), phosphatidylinositol 3-kinase (PI3K)/protein kinase B (AKT), mitogen-activated protein kinase (MAPK) etc. Isorhamnetin elicits protective and therapeutic effects on atherosclerosis and cardiovascular diseases.
Isorhamnetin inhibits adipogenesis by interfering with differentiation of adipose stem cells, by a mechanism involving stabilization of β-catenin and up-regulating the Wnt signaling pathway.

General description

Isorhamnetin is an O-methylated flavonol found in fruits, plants, and medicinal herbs. It is a metabolite of quercetin.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
WXBF4164V
WXBF3800V
BCCH1111
BCCH8408
BCCD0112

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Quercetin and its metabolite isorhamnetin promote glucose uptake through different signalling pathways in myotubes
Jiang H, et al.,
Scientific Reports, 1-15 (2019)
Juraj Majtan et al.
Archives of dermatological research, 305(7), 619-627 (2013-07-03)
Matrix metalloproteinase-9 (MMP-9) appears to be a major protease responsible for the degradation of matrix and growth-promoting agents in chronic wounds. Honey has been successfully used for treating non-healing wounds associated with infections. However, the mechanisms of its action at
Rongsheng E Wang et al.
Journal of medicinal chemistry, 52(7), 1912-1921 (2009-03-20)
Inhibitors of heat-induced heat shock protein 70 (HSP70) expression have the potential to enhance the therapeutic effectiveness of heat-induced radiosensitization of tumors. Among known small molecule inhibitors, quercetin has the advantage of being easily modified for structure-activity studies. Herein, we
Lutz Franke et al.
Journal of medicinal chemistry, 50(11), 2640-2646 (2007-04-28)
A natural product collection and natural-product-derived combinatorial libraries were virtually screened for potential inhibitors of human 5-lipoxygenase (5-LO) activity. We followed a sequential ligand-based approach in two steps. First, similarity searching with a topological pharmacophore descriptor (CATS 2D method) was
Nida Jamali-Raeufy et al.
Journal of chemical neuroanatomy, 102, 101709-101709 (2019-11-08)
Isorhamnetin, a derivative of quercetin, exerts antioxidant and anti-inflammatory effects in different diseases, and we examined its protective effects against diabetes-related changes in the brain. A single dose of a freshly prepared solution of streptozotocin (STZ) (60 mg/kg body weight) was
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Articles

Dietary Antioxidants

Antioxidants protect biological systems from oxidative damage produced by oxygen-containing free radicals and from redoxactive transition metal ions such as iron, copper, and cadmium.

膳食抗氧化剂

抗氧化剂可保护生物系统免受含氧自由基和氧化还原过渡金属离子（如铁、铜和镉）引起的氧化损伤。

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