MEK Inhibitor U0126

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Inhibits Activation of MAPK (ERK 1/2)

  • Used in both in vivo and in vitro studies of MEK
  • Potent: inhibits Raf-activated MEK1/2 in vitro with an IC50 of ~10–20μM
  • Supplied as a dried material


Catalog number selected: V1121

$ 277.00
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MEK Inhibitor U0126
$ 277.00
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MEK Inhibitor U0126 is a chemically synthesized organic compound that inhibits activation of MAPK (ERK 1/2) by inhibiting the kinase activity of MAP Kinase Kinase (MAPKK or MEK 1/2). U0126 inhibits MEK1 with an IC50 of 0.5μM (in vitro). It has been used in both in vivo and in vitro studies of MEK. The chemical identity of MEK Inhibitor U0126 has been confirmed by proton NMR spectroscopy.

Supplied as a dried material. Resuspend 1mg in 234μl of DMSO to produce a stock solution of 10mM.


  1. DeSilva, D.R. et al. (1998) J. Immunol. 160, 4175–81.
  2. Favata, M. et al. (1998) J. Biol. Chem. 273, 18623–32.
  3. Goueli, S. et al. (1998) Promega Notes 69, 6–8.
  4. Tolwinski, N.S. et al. (1999) J. Biol. Chem. 274, 6168–74.
  5. Li, C. et al. (1999) J. Biol. Chem. 274, 6747–53.
  6. Duncia, J.V. et al. (1998) Bioorg. Med. Chem. Lett. 8, 2839–44.


What's in the box?

Item Part # Size

MEK Inhibitor U0126

V112A 5 × 1mg

Certificate of Analysis

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Use Restrictions

For Research Use Only. Not for Use in Diagnostic Procedures.

Storage Conditions


Store dried material at –20°C.

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