Description_x000D_ Application_x000D_ PD168393 has been used in the acute inhibition of ErbB4._x000D_ Packaging_x000D_ 5, 25 mg in glass bottle_x000D_ Biochem/physiol Actions_x000D_ PD168393 is a 6-acrylamido-4-anilinoquinazoline compound. It increases apoptosis in malignant peripheral nerve sheath tumor cells, stimulated by lysosomal dysfunction._x000D_ PD168393 is potent, cell-permeable, irreversible and selective inhibitor of EGF receptor (EGFR) tyrosine kinase and ErbB2. PD168393 has an IC50 value of 0.70 nM for EGFR, and is inactive against insulin, PDGFR, FGFR and PKC._x000D_ Other Notes_x000D_ This compound was developed by Pfizer for Kinase Phosphatase Biology research. To learn more about Sigma′s partnership with Pfizer and view other authentic, high-quality Pfizer compounds, visit sigma.com/bsm-pfizer._x000D_ To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here._x000D_ Legal Information_x000D_ Sold for research purposes under agreement from Pfizer Inc._x000D_ Pfizer is a registered trademark of Pfizer, Inc.