Date published: 2026-3-17

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Chetomin (CAS 1403-36-7)

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Alternate Names:
Chaetomin; NSC 289491
Application:
Chetomin is an antibacterial agent and inhibitor of HIF
CAS Number:
1403-36-7
Purity:
≥90%
Molecular Weight:
710.86
Molecular Formula:
C31H30N6O6S4
Supplemental Information:
This is 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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Chetomin is reported to be an antibiotic metabolite of Chaetomium spp. which contains bacteriostatic effects on Gram-positive bacteria. Mechanistic studies suggest that Chetomin inhibits the division and separation of cells in cultures of B. fibrisolvens D1. Chetomin inhibits HIF (hypoxia-inducing factor) binding to the transcriptional coactivator p300. Chetomin disruption of HIF is believed to be done via a change in the structure of the CH1 domain of p300 which prevents interaction with HIF-1alpha and HIF-2alpha. Inhibition of this interaction has been reported to attenuate hypoxia-inducible transcription.


Chetomin (CAS 1403-36-7) References

  1. Immunomodulatory constituents from an Ascomycete, Chaetomium seminudum.  |  Fujimoto, H., et al. 2004. J Nat Prod. 67: 98-102. PMID: 14738397
  2. Small molecule blockade of transcriptional coactivation of the hypoxia-inducible factor pathway.  |  Kung, AL., et al. 2004. Cancer Cell. 6: 33-43. PMID: 15261140
  3. Effects of HIF-1 inhibition by chetomin on hypoxia-related transcription and radiosensitivity in HT 1080 human fibrosarcoma cells.  |  Staab, A., et al. 2007. BMC Cancer. 7: 213. PMID: 17999771
  4. HIF-1α inhibition by siRNA or chetomin in human malignant glioma cells: effects on hypoxic radioresistance and monitoring via CA9 expression.  |  Kessler, J., et al. 2010. BMC Cancer. 10: 605. PMID: 21050481
  5. Chetomin induces degradation of XIAP and enhances TRAIL sensitivity in urogenital cancer cells.  |  Yano, K., et al. 2011. Int J Oncol. 38: 365-74. PMID: 21165560
  6. Enhanced antitumor activity and mechanism of biodegradable polymeric micelles-encapsulated chetomin in both transgenic zebrafish and mouse models.  |  Wu, Q., et al. 2014. Nanoscale. 6: 11940-52. PMID: 25175172
  7. Inhibition of hypoxia-inducible factor-1 alpha radiosensitized MG-63 human osteosarcoma cells in vitro.  |  Jin, Z., et al. 2015. Tumori. 101: 578-84. PMID: 26350185
  8. Chetomin, targeting HIF-1α/p300 complex, exhibits antitumour activity in multiple myeloma.  |  Viziteu, E., et al. 2016. Br J Cancer. 114: 519-23. PMID: 26867162
  9. A new epipolythiodioxopiperazine with antibacterial and cytotoxic activities from the endophytic fungus Chaetomium sp. M336.  |  Yu, FX., et al. 2018. Nat Prod Res. 32: 689-694. PMID: 28602097
  10. Chetomin induces apoptosis in human triple-negative breast cancer cells by promoting calcium overload and mitochondrial dysfunction.  |  Dewangan, J., et al. 2018. Biochem Biophys Res Commun. 495: 1915-1921. PMID: 29208466
  11. Chetomin, a Hsp90/HIF1α pathway inhibitor, effectively targets lung cancer stem cells and non-stem cells.  |  Min, S., et al. 2020. Cancer Biol Ther. 21: 698-708. PMID: 32489150
  12. Chetomin rescues pathogenic phenotype of LRRK2 mutation in drosophila.  |  Chua, LL., et al. 2020. Aging (Albany NY). 12: 18561-18570. PMID: 32990658
  13. Mathematical description of the effect of HIF inhibition on the radiobiological response of LNCaP cells.  |  Azorín-Vega, EP., et al. 2022. Appl Radiat Isot. 184: 110157. PMID: 35278999
  14. Chetomin, a SARS-CoV-2 3C-like Protease (3CLpro) Inhibitor: In Silico Screening, Enzyme Docking, Molecular Dynamics and Pharmacokinetics Analysis.  |  Ibrahim, MAA., et al. 2023. Viruses. 15: PMID: 36680290
  15. Effects of chetomin on growth and acidic fermentation products of rumen bacteria.  |  Jen, WC. and Jones, GA. 1983. Can J Microbiol. 29: 1399-404. PMID: 6686488

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Chetomin, 1 mg

sc-202535
1 mg
$186.00

Chetomin, 5 mg

sc-202535A
5 mg
$674.00