An ultra-potent inhibitor of epidermal growth factor receptor tyrosine kinase (EGFRK), with an IC50 of 25 pM. Inhibits other tyrosine kinases at micromolar or higher concentrations. It selectively blocks EGF-mediated cellular processes including mitogenesis, early gene expression and oncogenic transformation1. Inhibits the growth of a number of cancer cell lines2. An extremely useful tool for exploring EGF-mediated cellular signaling3.
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