Date published: 2026-5-23

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(5Z)-7-Oxozeaenol (CAS 253863-19-3)

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Alternate Names:
C292; L 783278; LL Z1640-2
Application:
(5Z)-7-Oxozeaenol is a signal-specific JNK/p38 pathway and TAK 1 inhibitor
CAS Number:
253863-19-3
Purity:
≥95%
Molecular Weight:
362.37
Molecular Formula:
C19H22O7
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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(5Z)-7-Oxozeaenol also known as antibiotic LL Z1640-2 is a signal-specific inhibitor of the JNK/p38 pathways that may act to inhibit anisomycin-induced but not TNF-induced JNK/p38 activation. Shown to inhibit HgCl2 and CdCl2 MAPKs activation, while not affecting total protein level, in CCRF-CEM and NIH3T3 cells, respectively. Like other members of the resorcylic acid lactone (RAL) family,(5Z)-7-Oxozeaenol targets the ATP-binding pocket of kinases. Unlike other RALs, irreversibly inhibits TAK1. This cis-enone resorcylic acid lactone was first reported in 1978 and later rediscovered as an irreversible and highly selective TAK1 inhibitor. TAK1 is a MAPKKK involved in the p38 signalling cascade for pro-inflammation signals such as cytokines.


(5Z)-7-Oxozeaenol (CAS 253863-19-3) References

  1. A radicicol-related macrocyclic nonaketide compound, antibiotic LL-Z1640-2, inhibits the JNK/p38 pathways in signal-specific manner.  |  Takehana, K., et al. 1999. Biochem Biophys Res Commun. 257: 19-23. PMID: 10092503
  2. Inhibition of HgCl2-induced mitogen-activated protein kinase activation by LL-Z1640-2 in CCRF-CEM cells.  |  Matsuoka, M., et al. 2000. Eur J Pharmacol. 409: 155-8. PMID: 11104828
  3. Pharmacological inhibitors of MAPK pathways.  |  English, JM. and Cobb, MH. 2002. Trends Pharmacol Sci. 23: 40-5. PMID: 11804650
  4. Effects of pentachlorophenol and tetrachlorohydroquinone on mitogen-activated protein kinase pathways in Jurkat T cells.  |  Wispriyono, B., et al. 2002. Environ Health Perspect. 110: 139-43. PMID: 11836141
  5. Suppression of cadmium-induced JNK/p38 activation and HSP70 family gene expression by LL-Z1640-2 in NIH3T3 cells.  |  Sugisawa, N., et al. 2004. Toxicol Appl Pharmacol. 196: 206-14. PMID: 15081267
  6. JNK (c-Jun NH2 terminal kinase) and p38 during ischemia reperfusion injury in the small intestine.  |  Murayama, T., et al. 2006. Transplantation. 81: 1325-30. PMID: 16699462
  7. Chemistry and biology of resorcylic acid lactones.  |  Winssinger, N. and Barluenga, S. 2007. Chem Commun (Camb). 22-36. PMID: 17279252
  8. Protein kinases as small molecule inhibitor targets in inflammation.  |  Gaestel, M., et al. 2007. Curr Med Chem. 14: 2214-34. PMID: 17896971
  9. Effects of (5Z)-7-oxozeaenol on the oxidative pathway of cancer cells.  |  Acuña, UM., et al. 2012. Anticancer Res. 32: 2665-71. PMID: 22753724
  10. 5Z-7-Oxozeaenol covalently binds to MAP2K7 at Cys218 in an unprecedented manner.  |  Sogabe, Y., et al. 2015. Bioorg Med Chem Lett. 25: 593-6. PMID: 25529738
  11. Enhancement of hyperthermia-induced apoptosis by 5Z-7-oxozeaenol, a TAK1 inhibitor, in A549 cells.  |  Li, P., et al. 2016. Cell Stress Chaperones. 21: 873-81. PMID: 27448221
  12. Central Administration of 5Z-7-Oxozeaenol Protects Experimental Autoimmune Encephalomyelitis Mice by Inhibiting Microglia Activation.  |  Lu, L., et al. 2017. Front Pharmacol. 8: 789. PMID: 29163172
  13. (5Z)-7-Oxozeaenol: A novel and potent resorcylic acid lactone kinase inhibitor with a cis-enone Michael acceptor.  |  Ellestad, GA. 2019. Chirality. 31: 110-117. PMID: 30565749

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

(5Z)-7-Oxozeaenol, 1 mg

sc-202055
1 mg
$157.00

(5Z)-7-Oxozeaenol, 5 mg

sc-202055A
5 mg
$646.00