Date published: 2026-2-3

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AG 556 (CAS 133550-41-1)

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Application:
AG 556 is inhibitor of EGFR kinase autophosphorylation over HER1/2 autophosphorylation
CAS Number:
133550-41-1
Purity:
≥98%
Molecular Weight:
336.4
Molecular Formula:
C20H20N2O3
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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AG 556 selectively inhibits epidermal growth factor receptor kinase autophosphorylation (IC50 = 5μM) over HER1/2 autophosphorylation. Also blocks LPS-induced TNF-α production. AG 556 is an inhibitor of EGFR.


AG 556 (CAS 133550-41-1) References

  1. Effect of tyrosine kinase inhibition on sepsis-induced vascular hyporesponsiveness, inos mrna expression and NF-kappaB nuclear translocation in rats.  |  Klein, SM., et al. 2000. Shock. 14: 544-9. PMID: 11092687
  2. Genistein and tyrphostin AG 556 block the action potential shortening in septic shock.  |  Chiang, CE., et al. 2002. Zhonghua Yi Xue Za Zhi (Taipei). 65: 570-9. PMID: 12636202
  3. Effects of the tyrosine kinase inhibitor tyrphostin AG 556 on acute necrotising pancreatitis in rats.  |  Alhan, E., et al. 2002. Eur J Surg. 168: 557-62. PMID: 12666696
  4. Tyrphostin AG-556 reduces myocardial infarct size and improves cardiac performance in the rat.  |  George, J., et al. 2003. Exp Mol Pathol. 74: 314-8. PMID: 12782020
  5. The effects of tyrphostine Ag 556 on experimental spinal cord ischemia reperfusion injury.  |  Usul, H., et al. 2004. Surg Neurol. 61: 45-54; discussion 54. PMID: 14706378
  6. Tyrphostins are inhibitors of guanylyl and adenylyl cyclases.  |  Jaleel, M., et al. 2004. Biochemistry. 43: 8247-55. PMID: 15209521
  7. The effect of tyrphostin AG-556 on intimal thickening in a mouse model of arterial injury.  |  George, J., et al. 2005. Exp Mol Pathol. 78: 233-8. PMID: 15924877
  8. Tyrphostins. 2. Heterocyclic and alpha-substituted benzylidenemalononitrile tyrphostins as potent inhibitors of EGF receptor and ErbB2/neu tyrosine kinases.  |  Gazit, A., et al. 1991. J Med Chem. 34: 1896-907. PMID: 1676428
  9. Investigation of tyrphostin AG 556 for testicular torsion-induced ischemia reperfusion injury in rat.  |  Karaguzel, E., et al. 2014. J Pediatr Urol. 10: 223-9. PMID: 24070787
  10. Tyrphostins I: synthesis and biological activity of protein tyrosine kinase inhibitors.  |  Gazit, A., et al. 1989. J Med Chem. 32: 2344-52. PMID: 2552117
  11. Selective inhibition of the epidermal growth factor and HER2/neu receptors by tyrphostins.  |  Osherov, N., et al. 1993. J Biol Chem. 268: 11134-42. PMID: 8098709
  12. Tyrphostin AG 556 improves survival and reduces multiorgan failure in canine Escherichia coli peritonitis.  |  Sevransky, JE., et al. 1997. J Clin Invest. 99: 1966-73. PMID: 9109441
  13. Suppression of experimental autoimmune encephalomyelitis by tyrphostin AG-556.  |  Brenner, T., et al. 1998. Exp Neurol. 154: 489-98. PMID: 9878184

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

AG 556, 5 mg

sc-202044
5 mg
$32.00

AG 556, 25 mg

sc-202044A
25 mg
$64.00