Date published: 2026-4-30

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VER-50589 (CAS 747413-08-7)

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Alternate Names:
5-(5-chloro-2,4-dihydroxyphenyl)-N-ethyl-4-(4-methoxyphenyl)-3-isoxazolecarboxamide
Application:
VER-50589 is an isoxazole compound that inhibits Hsp90, a heat shock protein that acts as a molecular chaperone with roles in protein folding, cell signaling, and cancer.
CAS Number:
747413-08-7
Molecular Weight:
388.8
Molecular Formula:
C19H17ClN2O5
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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VER-50589 is an isoxazole compound that inhibits Hsp90, a heat shock protein that acts as a molecular chaperone with roles in protein folding, cell signaling, and cancer.VER-50589 is an isoxazole compound that may act to inhibit Hsp90 with an IC50 value of 21 nM. It produces a mean cellular antiproliferative GI50 value of 78 nM when tested against a human cancer cell line panel. Consistent with inhibition of Hsp90, VER-50589 has also been shown to induce the expression of HSP27 and Hsp72 while reducing the client proteins C-RAF, B-RAF, survivin, and PRMT5, causing cell cycle arrest and apoptosis. VER-50589 shows favorable pharmacokinetics and impairs tumor growth in animals. Importantly, glioblastoma cells do not acquire resistance to VER-50589 and resistance to other Hsp90 inhibitors does not produce cross-resistance to VER-50589.


VER-50589 (CAS 747413-08-7) References

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  2. Acquired resistance to 17-allylamino-17-demethoxygeldanamycin (17-AAG, tanespimycin) in glioblastoma cells.  |  Gaspar, N., et al. 2009. Cancer Res. 69: 1966-75. PMID: 19244114
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  4. A repurposing strategy for Hsp90 inhibitors demonstrates their potency against filarial nematodes.  |  Gillan, V., et al. 2014. PLoS Negl Trop Dis. 8: e2699. PMID: 24551261
  5. Discovering Anti-Cancer Drugs via Computational Methods.  |  Cui, W., et al. 2020. Front Pharmacol. 11: 733. PMID: 32508653
  6. Isocotoin suppresses hepatitis E virus replication through inhibition of heat shock protein 90.  |  Nimgaonkar, I., et al. 2021. Antiviral Res. 185: 104997. PMID: 33326835
  7. Evolution of kinase polypharmacology across HSP90 drug discovery.  |  Antolin, AA., et al. 2021. Cell Chem Biol. 28: 1433-1445.e3. PMID: 34077750
  8. Drug-repurposing against COVID-19 by targeting a key signaling pathway: An in silico study.  |  Oh, KK., et al. 2021. Med Hypotheses. 155: 110656. PMID: 34399157
  9. The Role of the Heat-Shock Proteins in Esophagogastric Cancer.  |  Tustumi, F., et al. 2022. Cells. 11: PMID: 36078072
  10. Targeting HSP90 as a Novel Therapy for Cancer: Mechanistic Insights and Translational Relevance.  |  Zhang, J., et al. 2022. Cells. 11: PMID: 36139353
  11. Heterocyclic Compounds as Hsp90 Inhibitors: A Perspective on Anticancer Applications.  |  Ardestani, M., et al. 2022. Pharmaceutics. 14: PMID: 36297655
  12. Multitarget and Multipathway Regulation of Zhenqi Fuzheng Granule against Non-Small Cell Lung Cancer Based On Network Pharmacology and Molecular Docking.  |  Zhou, Y., et al. 2022. Evid Based Complement Alternat Med. 2022: 5967078. PMID: 36437827
  13. Antiviral activity of the HSP90 inhibitor VER-50589 against enterovirus 71.  |  Zhu, G., et al. 2023. Antiviral Res. 211: 105553. PMID: 36737007

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

VER-50589, 500 µg

sc-296692
500 µg
$70.00

VER-50589, 1 mg

sc-296692A
1 mg
$110.00