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W4016

Sigma-Aldrich

Wedelolactone

≥98% (HPLC), powder

Synonym(s):

1,8,9-Trihydroxy-3-methoxy-6H-benzofuro[3,2-c][1]benzopyran-6-one, 7-Methoxy-5,11,12-trihydroxycoumestan

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About This Item

Empirical Formula (Hill Notation):
C16H10O7
CAS Number:
524-12-9
Molecular Weight:
314.25
MDL number:
MFCD07778564
UNSPSC Code:
12352200
PubChem Substance ID:
24724667
NACRES:
NA.77

Assay

≥98% (HPLC)

form

powder

color

white to brown

solubility

DMSO: 10 mg/mL, clear

storage temp.

2-8°C

SMILES string

COc1cc(O)c-2c(OC(=O)c3c-2oc4cc(O)c(O)cc34)c1

InChI

1S/C16H10O7/c1-21-6-2-10(19)14-12(3-6)23-16(20)13-7-4-8(17)9(18)5-11(7)22-15(13)14/h2-5,17-19H,1H3

InChI key

XQDCKJKKMFWXGB-UHFFFAOYSA-N

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Biochem/physiol Actions

Wedelolactone inhibits NF-κB-mediated gene transcription in cells by blocking the phosphorylation and degradation of IκBα. Irreversible inhibitor of IKKα and β kinase activity (IC50 < 10 μM). Wedelolactone has no effects on p38 MAP kinase or Akt.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302

Precautionary Statements

P264 - P270 - P301 + P312 - P501

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Sivalokanathan Sarveswaran et al.
International journal of oncology, 41(6), 2191-2199 (2012-10-19)
Emerging studies indicate that metabolism of arachidonic acid through the 5-lipoxygenase (5-Lox) pathway plays a critical role in the survival of prostate cancer cells raising the possibility that 5-Lox can be targeted for an effective therapy of prostate cancer. Wedelolactone
Wei Zhang et al.
Toxicology letters, 209(2), 107-112 (2011-12-31)
The endothelin B2 (ET(B2)) receptors are induced in vascular smooth muscle cells (VSMCs) in cardiovascular diseases. We tested if in vitro short-term exposure to the pro-inflammatory cytokine tumor necrosis factor-α (TNF-α) could up-regulate ET(B2) receptors in rat mesenteric arteries, and
Chin-Hsien Tsai et al.
Clinical cancer research : an official journal of the American Association for Cancer Research, 15(17), 5435-5444 (2009-08-20)
Wedelia chinensis is a common ingredient of anti-inflammatory herbal medicines in Taiwan and southern China. Inflammation is involved in promoting tumor growth, invasion, and metastasis. This study aims to test the biological effects in vivo of W. chinensis extract on
Petr Benes et al.
Cancer letters, 303(1), 29-38 (2011-02-15)
The naturally occurring coumestan wedelolactone has been previously shown to reduce growth of various cancer cells. So far, the growth-suppressing effect of wedelolactone has been attributed to the inhibition of the NFκB transcription factor and/or androgen receptors. We found that
Qi-Mei Liu et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 50(11), 4016-4022 (2012-08-21)
Eclipta prostrata L., (Asteraceae), is used in China for both food and medicine purposes. This research is concerned with the isolation and purification of phytochemical constituents from the aerial parts of E. prostrata, using gradient solvent fractionation, macroporous resin, silica
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