Date published: 2026-4-5

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Src kinase inhibitor I (CAS 179248-59-0)

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Alternate Names:
4-(4′-Phenoxyanilino)-6,7-dimethoxyquinazoline
Application:
Src kinase inhibitor I is a potent dual site inhibitor of Src family kinases
CAS Number:
179248-59-0
Purity:
≥97%
Molecular Weight:
373.40
Molecular Formula:
C22H19N3O3
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Src kinase inhibitor I is a 4-anilinoquinazole competitive inhibitor of Src family tryosine kinases. Src kinase inhibitor I is a dual site inhibitor, described to compete at both the ATP and peptide binding sites of the kinase. A particularly potent inhibitor of the Src kinases, Src Kinase inhibitor I demonstrates nanomolar inhibition of c-Src (IC50 = 44 nM) and Lck (IC50 = 88 nM). Low micromolar inhibition of Flk-1 (VEGFR2, IC50 = 0.32 muM) and C-fms (IC50 = 30 muM) are also reported. Src Kinase inhibitor I demonstrates a strong selectivity for Src over the other kinases, a property attributed to the dual site inhibition action of this compound. Use of Src Kinase inhibitor I in parallel with PP 1 (sc-203212) and PP 2 (sc-202769) for Src family kinase inhibition has also been described.


Src kinase inhibitor I (CAS 179248-59-0) References

  1. Structural determinants for potent, selective dual site inhibition of human pp60c-src by 4-anilinoquinazolines.  |  Tian, G., et al. 2001. Biochemistry. 40: 7084-91. PMID: 11401553
  2. The selectivity of protein kinase inhibitors: a further update.  |  Bain, J., et al. 2007. Biochem J. 408: 297-315. PMID: 17850214
  3. Enhanced ex vivo expansion of human adipose tissue-derived mesenchymal stromal cells by fibroblast growth factor-2 and dexamethasone.  |  Lee, SY., et al. 2009. Tissue Eng Part A. 15: 2491-9. PMID: 19292683
  4. Enhancement of mesenteric artery contraction to 5-HT depends on Rho kinase and Src kinase pathways in the ob/ob mouse model of type 2 diabetes.  |  Matsumoto, T., et al. 2010. Br J Pharmacol. 160: 1092-104. PMID: 20590603
  5. Sorafenib induces apoptosis in HL60 cells by inhibiting Src kinase-mediated STAT3 phosphorylation.  |  Zhao, W., et al. 2011. Anticancer Drugs. 22: 79-88. PMID: 20881478
  6. Extracellular ATP stimulates epithelial cell motility through Pyk2-mediated activation of the EGF receptor.  |  Block, ER., et al. 2011. Cell Signal. 23: 2051-5. PMID: 21840393
  7. Downregulation of carbonic anhydrase IX promotes Col10a1 expression in chondrocytes.  |  Maruyama, T., et al. 2013. PLoS One. 8: e56984. PMID: 23441228
  8. Chemical interrogation of the neuronal kinome using a primary cell-based screening assay.  |  Al-Ali, H., et al. 2013. ACS Chem Biol. 8: 1027-36. PMID: 23480631
  9. Redox-regulated pathway of tyrosine phosphorylation underlies NF-κB induction by an atypical pathway independent of the 26S proteasome.  |  Cullen, S., et al. 2015. Biomolecules. 5: 95-112. PMID: 25671697
  10. Critical Roles of STAT3 in β-Adrenergic Functions in the Heart.  |  Zhang, W., et al. 2016. Circulation. 133: 48-61. PMID: 26628621
  11. Specific role of N-methyl-D-aspartate (NMDA) receptor in elastin-derived VGVAPG peptide-dependent calcium homeostasis in mouse cortical astrocytes in vitro.  |  Szychowski, KA. and Gmiński, J. 2019. Sci Rep. 9: 20165. PMID: 31882909
  12. Elastin-Derived Peptides in the Central Nervous System: Friend or Foe.  |  Szychowski, KA., et al. 2022. Cell Mol Neurobiol. 42: 2473-2487. PMID: 34374904
  13. Tyrosine phosphorylation of DEPTOR functions as a molecular switch to activate mTOR signaling.  |  M Gagné, L., et al. 2021. J Biol Chem. 297: 101291. PMID: 34634301

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Src kinase inhibitor I, 1 mg

sc-204303
1 mg
$53.00

Src kinase inhibitor I, 10 mg

sc-204303A
10 mg
$204.00