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203987

Butein

Name: Butein
Brand: MM

A cell-permeable, reversible, substrate competitive, plant polyphenol that acts as a specific protein tyrosine kinase inhibitor.

别名:

Butein, 2ʹ,4ʹ,3,4-Tetrahydroxychalcone

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关于此项目

经验公式（希尔记法）:

C₁₅H₁₂O₅

化学文摘社编号:

487-52-5

分子量:

272.25

UNSPSC Code:

12352200

MDL number:

MFCD00017300

Assay:

≥98% (HPLC)

Form:

solid

Quality level:

100

Storage condition:

OK to freeze, protect from light

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属性

Quality Level

100

assay

≥98% (HPLC)

form

solid

manufacturer/tradename

Calbiochem^®

storage condition

OK to freeze, protect from light

color

yellow

solubility

DMSO: 10 mg/mL, methanol: soluble

shipped in

ambient

storage temp.

−20°C

InChI

1S/C15H12O5/c16-10-3-4-11(14(19)8-10)12(17)5-1-9-2-6-13(18)15(20)7-9/h1-8,16,18-20H/b5-1+

InChI key

AYMYWHCQALZEGT-ORCRQEGFSA-N

说明

General description

A cell-permeable, reversible, substrate competitive, plant polyphenol that acts as a specific protein tyrosine kinase inhibitor. Potently inhibits the tyrosine kinase activity of the EGF receptor (IC₅₀ = 65 µM) and p60^c-src (IC₅₀ = 65 µM) The inhibition is competitive with respect to ATP and non-competitive with respect to the substrate. Butein is also a potent antioxidant and anti-inflammatory agent. Has been shown to inhibit glutathione reductase (GSH-RD) and rat liver glutathione S-transferase (GST; IC₅₀ = 9 µM). Reported to activate sirtuins and promote the survival of eukaryotic cells.

Biochem/physiol Actions

Cell permeable: yes

Primary Target
Tyrosine kinase activity of the EGF receptor

Product competes with ATP.

Reversible: yes

Target IC₅₀: 65 µM against tyrosine kinase activity of the EGF receptor

Packaging

Packaged under inert gas

Preparation Note

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 2 weeks at -20°C.

Other Notes

Howitz, K.T., et al. 2003. Nature425, 191.
Chan, S.C., et al. 1998. Planta Med.64, 153.
Yang, E.B., et al. 1998. Biochem. Biophys. Res. Commun. 245, 435.
Zhang, K., et al. 1997. Biochem. Pharmacol. 54, 1047.
Zhang, K., and Das, N.P. 1994. Biochem. Pharmacol. 47, 2063.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Toxicity: Standard Handling (A)

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存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c