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Merck
CN

W4016

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
NACRES:
NA.77
PubChem Substance ID:
24724667
UNSPSC Code:
12352200
MDL number:
MFCD07778564

Key Documents

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Product Name

Wedelolactone, ≥98% (HPLC), powder

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

SMILES string

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

InChI key

XQDCKJKKMFWXGB-UHFFFAOYSA-N

assay

≥98% (HPLC)

form

powder

color

white to brown

solubility

DMSO: 10 mg/mL, clear

storage temp.

2-8°C

Quality Level

100

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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

signalword

Warning

hcodes

H302

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

wgk

WGK 1

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000213803
0000213803
0000143301
0000142193
0000052182

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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
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
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
Luciana C Diogo et al.
Basic & clinical pharmacology & toxicology, 104(4), 293-299 (2009-03-27)
We genetically modified Eclipta alba using Agrobacterium rhizogenes LBA 9402, with the aim of producing secondary metabolites with pharmacological properties against phospholipase A(2) and the myotoxic activities of snake venom. Extracts from in natura aerial parts and roots, both native
R K Roy et al.
Archives of dermatological research, 300(7), 357-364 (2008-05-15)
Alopecia is a dermatological disorder with psychosocial implications on patients with hair loss. Eclipta alba Hassk. is a well-known Ayurvedic herb with purported claims of hair growth promotion. In the reported work attempts were undertaken to evaluate petroleum ether and
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