A cell-permeable benzamide compound that acts as a non-competitive, highly potent, selective MEK/MAPKK/MKK inhibitor and effectively blocks cellular Erk1/2 phosphorylation (by >90% in serum-starved HeLa after serum-stimulation and 50% in C26 with 25 and 0.33 nM inhibitor, respectively), while exhibiting little or no effect against the activity of Erk1/2 or a panel of 66 other kinases even at concentrations as high as 10 µM in cell-free kinase assays. Shown to be orally available in mice and suppress both the growth of and Erk phosphorylation in BRAF(V600E)-expressing SKMEL28 cell-derived tumor in vivo.

Packaged under inert gas

Toxicity: Regulatory Review (Z)

A 50 mM (5 mg/207 µl) solution of MEK1/2 Inhibitor III, PD0325901 (Cat. No. 444966) in DMSO.

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