Date published: 2026-4-24

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AG 555 (CAS 133550-34-2)

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Alternate Names:
(E)-2-Cyano-3-(3,4-dihydroxyphenyl)-N-(3-phenylpropyl)-2-propenamide; Tyrphostin AG 555
Application:
AG 555 is a potent epidermal growth factor receptor kinase inhibitor
CAS Number:
133550-34-2
Molecular Weight:
322.36
Molecular Formula:
C19H18N2O3
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
Available in US only.
* Refer to Certificate of Analysis for lot specific data.

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AG 555 is a potent EGFR (epidermal growth factor receptor) kinase inhibitor (IC50 = 0.7 μM) that displays 50-fold and >140-fold selectivity over ErbB2 and insulin receptor kinase respectively. AG 555 induces G1 growth arrest selectively in transformed cells (IC50 values are 6.4 and 9.4 μM in HPV16-immortalized and normal keratinocytes respectively).


AG 555 (CAS 133550-34-2) References

  1. Tyrphostins that suppress the growth of human papilloma virus 16-immortalized human keratinocytes.  |  Ben-Bassat, H., et al. 1999. J Pharmacol Exp Ther. 290: 1442-57. PMID: 10454524
  2. Tyrphostin AG 555 inhibits bovine papillomavirus transcription by changing the ratio between E2 transactivator/repressor function.  |  Baars, S., et al. 2003. J Biol Chem. 278: 37306-13. PMID: 12867421
  3. 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
  4. Tyrphostin AG-555 inhibits early and late stages of Moloney murine leukemia virus replication cycle.  |  Seri, I., et al. 1997. Int J Oncol. 10: 1185-9. PMID: 21533502
  5. Tyrosine kinase inhibition: an approach to drug development.  |  Levitzki, A. and Gazit, A. 1995. Science. 267: 1782-8. PMID: 7892601
  6. Inhibition of topoisomerase I activity by tyrphostin derivatives, protein tyrosine kinase blockers: mechanism of action.  |  Aflalo, E., et al. 1994. Cancer Res. 54: 5138-42. PMID: 7923131
  7. The p15 matrix protein of moloney murine leukemia virus is a phosphotyrosine protein.  |  Seri, I. and Priel, E. 1996. FEBS Lett. 392: 229-32. PMID: 8774850
  8. Opposing effects of tyrosine kinase inhibitors on mineralization of normal and tumor bone cells.  |  Klein, BY., et al. 1997. J Cell Biochem. 65: 420-9. PMID: 9138097
  9. Tyrphostin AG 494 blocks Cdk2 activation.  |  Osherov, N. and Levitzki, A. 1997. FEBS Lett. 410: 187-90. PMID: 9237626
  10. Inhibitors of epidermal growth factor receptor kinase and of cyclin-dependent kinase 2 activation induce growth arrest, differentiation, and apoptosis of human papilloma virus 16-immortalized human keratinocytes.  |  Ben-Bassat, H., et al. 1997. Cancer Res. 57: 3741-50. PMID: 9288782

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

AG 555, 10 mg

sc-203500
10 mg
$71.00
US: Only available in the US

AG 555, 50 mg

sc-203500A
50 mg
$344.00
US: Only available in the US