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Merck
CN

T8951

Tangeretin

≥95% (HPLC)

Synonym(s):

4′,5,6,7,8-Pentamethoxyflavone, 5,6,7,8-Tetramethoxy-2-(4-methoxyphenyl)-4H-1-benzopyran-4-one, NSC 53909, NSC 618905, Ponkanetin

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About This Item

Empirical Formula (Hill Notation):
C20H20O7
CAS Number:
481-53-8
Molecular Weight:
372.37
UNSPSC Code:
12352205
NACRES:
NA.25
PubChem Substance ID:
329826890
EC Number:
207-570-1
Beilstein/REAXYS Number:
351695
MDL number:
MFCD00017438

Key Documents

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Product Name

Tangeretin, ≥95% (HPLC)

InChI

1S/C20H20O7/c1-22-12-8-6-11(7-9-12)14-10-13(21)15-16(23-2)18(24-3)20(26-5)19(25-4)17(15)27-14/h6-10H,1-5H3

SMILES string

COc1ccc(cc1)C2=CC(=O)c3c(OC)c(OC)c(OC)c(OC)c3O2

InChI key

ULSUXBXHSYSGDT-UHFFFAOYSA-N

assay

≥95% (HPLC)

application(s)

metabolomics
vitamins, nutraceuticals, and natural products

Quality Level

100

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Application

Tangeretin has been used as an antioxidant and antifungal agent to test its effects on ferroptosis inhibition, conidial development, and appressorium formation against Magnaporthe oryzae. It has also been used as a co-chemotherapeutics agent to study its cytotoxic effects in combination with 5-Fluorouracil (5-Fu) on WiDr colon cancer cells.

Biochem/physiol Actions

Tangeretin displays its anti-cancer effects by modulating different pathways in several cancer types in both in-vitro and in-vivo studies. It also exerts antioxidant, anti-inflammatory, and estrogenic properties.
Tangeretin is a flavonoid found in the peel of citrus fruits where it most likely provides natural resistance to fungi. Tangeretin has been shown to counteract tumor promoter-induced inhibition of intercellular communication and to inhibit cell proliferation in several cancer lines.

General description

Tangeretin is a polymethoxyflavone extracted primarily from the peels of citrus fruits like Citrus sinensis and Citrus reticulata.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

wgk

WGK 3

ppe

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW7939
MKCV4639
MKCQ9014
MKCR8769
MKCN5545

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Myung Sunny Kim et al.
Molecular and cellular endocrinology, 358(1), 127-134 (2012-04-06)
Although the flavonoid tangeretin (5, 6, 7, 8, 4'-pentamethoxyflavone) is known to possess beneficial health effects, the anti-diabetic effects and the mechanism of action have not been elucidated. Treatment with 100 μM tangeretin significantly increased the uptake of 2-NBDG in
Meiling Liang et al.
Journal of integrative plant biology, 63(12), 2136-2149 (2021-09-28)
Flavonoids are polyphenolic secondary metabolites that function as signaling molecules, allopathic compounds, phytoalexins, detoxifying agents and antimicrobial defensive compounds in plants. Blast caused by the fungus Magnaporthe oryzae is a serious disease affecting rice cultivation. In this study, we revealed
Ji Hye Yoon et al.
Journal of agricultural and food chemistry, 59(1), 222-228 (2010-12-04)
The present study examined the effects of tangeretin, a polymethoxylated flavonone present in citrus fruits, on ultraviolet B (UVB)-induced cyclooxygenase-2 (COX-2) expression in JB6 P+ mouse skin epidermal cells. Tangeretin suppressed UVB-induced COX-2 expression and transactivation of nuclear factor-κB and
Ai Eguchi et al.
BioFactors (Oxford, England), 31(2), 107-116 (2008-09-23)
Unregulated uptake of oxidized low-density lipoproteins (ox-LDL) via macrophage scavenger receptors (SRs) is a key event in atherosclerosis. We previously reported that nobiletin (NOB), a citrus polymethoxylated flavone, markedly reduced 12-O-tetradecanoylphorbol-13-acetate (TPA)-induced SRs and adhesion molecules mRNA expression and blockade
Sofie Lust et al.
Molecular nutrition & food research, 54(6), 823-832 (2010-01-16)
We explored the mechanism of cell death of the polymethoxyflavone tangeretin (TAN) in K562 breakpoint cluster region-abelson murine leukemia (Bcr-Abl+) cells. Flow cytometric analysis showed that TAN arrested the cells in the G(2)/M phase and stimulated an accumulation of the
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