Date published: 2025-10-10

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Tozasertib (CAS 639089-54-6)

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Alternate Names:
MK0457; VX 680; MK 0457
Application:
Tozasertib is a potent and selective pan-ARK inhibitor
CAS Number:
639089-54-6
Purity:
≥98%
Molecular Weight:
464.59
Molecular Formula:
C23H28N8OS
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Tozasertib is a potent pan-ARK inhibitor but favors ARK-1 (Ki = 0.6 nM) over ARK-2 (Ki = 18 nM) or ARK-3 (Ki = 4.6 nM). It shows selectivity against a panel of more than 190 different protein kinases. Tozasertib effectively inhibits proliferation of several different cell lines of clear cell renal carcinoma (IC50 < 10muM), inhibiting H3 histone phosphorylation and increasing apoptosis. By depleting ARK activity, tozasertib disrupts bipolar spindle formation during mitosis, arresting cell cycle progression at the G2/M phase.


Tozasertib (CAS 639089-54-6) References

  1. Discovery and development of aurora kinase inhibitors as anticancer agents.  |  Pollard, JR. and Mortimore, M. 2009. J Med Chem. 52: 2629-51. PMID: 19320489
  2. VX680/MK-0457, a potent and selective Aurora kinase inhibitor, targets both tumor and endothelial cells in clear cell renal cell carcinoma.  |  Li, Y., et al. 2010. Am J Transl Res. 2: 296-308. PMID: 20589168
  3. Crystal structures of ABL-related gene (ABL2) in complex with imatinib, tozasertib (VX-680), and a type I inhibitor of the triazole carbothioamide class.  |  Salah, E., et al. 2011. J Med Chem. 54: 2359-67. PMID: 21417343
  4. ABCG2 impairs the activity of the aurora kinase inhibitor tozasertib but not of alisertib.  |  Michaelis, M., et al. 2015. BMC Res Notes. 8: 484. PMID: 26415506
  5. Tozasertib attenuates neuronal apoptosis via DLK/JIP3/MA2K7/JNK pathway in early brain injury after SAH in rats.  |  Yin, C., et al. 2016. Neuropharmacology. 108: 316-23. PMID: 27084696
  6. RIPK1-dependent cell death: a novel target of the Aurora kinase inhibitor Tozasertib (VX-680).  |  Martens, S., et al. 2018. Cell Death Dis. 9: 211. PMID: 29434255
  7. Past, present, and future of Bcr-Abl inhibitors: from chemical development to clinical efficacy.  |  Rossari, F., et al. 2018. J Hematol Oncol. 11: 84. PMID: 29925402
  8. Aurora kinase inhibitor tozasertib suppresses mast cell activation in vitro and in vivo.  |  Zhang, LN., et al. 2020. Br J Pharmacol. 177: 2848-2859. PMID: 32017040
  9. Tozasertib Attenuates Neuropathic Pain by Interfering with Aurora Kinase and KIF11 Mediated Nociception.  |  Uniyal, A., et al. 2021. ACS Chem Neurosci. 12: 1948-1960. PMID: 34027667
  10. Reversing tozasertib resistance in glioma through inhibition of pyruvate dehydrogenase kinases.  |  Jane, EP., et al. 2022. Mol Oncol. 16: 219-249. PMID: 34058053
  11. Inhibition of pan-Aurora kinase attenuates evoked and ongoing pain in nerve injured rats via regulating KIF17-NR2B mediated signaling.  |  Uniyal, A., et al. 2022. Int Immunopharmacol. 106: 108622. PMID: 35183034
  12. Modulation of KIF17/NR2B crosstalk by tozasertib attenuates inflammatory pain in rats.  |  Uniyal, A., et al. 2022. Inflammopharmacology. 30: 549-563. PMID: 35243557
  13. Single-cell profiling reveals molecular basis of malignant phenotypes and tumor microenvironments in small bowel adenocarcinomas.  |  Yang, J., et al. 2022. Cell Discov. 8: 92. PMID: 36104333

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Tozasertib, 25 mg

sc-358750
25 mg
$61.00

Tozasertib, 50 mg

sc-358750A
50 mg
$85.00