Date published: 2026-4-23

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Ebelactone A (CAS 76808-16-7)

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Alternate Names:
3,11-Dihydroxy-2,4,6,8,10,12-hexamethyl-9-oxo-6-tetradecenoic acid 1,3-lactone
Application:
Ebelactone A is an inhibitor of esterase, formyl methionine aminopeptidase, and acylpeptide hydrolase
CAS Number:
76808-16-7
Purity:
≥99%
Molecular Weight:
338.48
Molecular Formula:
C20H34O4
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Ebelactone A, a diterpene lactone naturally found in the root barks of Ebenus species. Its chemical structure reveals a cyclic diterpene lactone with an oxygen bridge linking C-3 and C-17, along with an additional oxygen bridge between C-2 and C-18. This compound exhibits exceptional stability. Though the precise mechanism of action of ebelactone A remains partially elusive, it is believed to operate through the modulation of enzymes and proteins. Particularly, ebelactone A hinders the activity of cyclooxygenase-2 (COX-2), while activating the nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB), a transcription factor.


Ebelactone A (CAS 76808-16-7) References

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  6. Liver prenylated methylated protein methyl esterase is the same enzyme as Sus scrofa carboxylesterase.  |  Oboh, OT. and Lamango, NS. 2008. J Biochem Mol Toxicol. 22: 51-62. PMID: 18273909
  7. The alkylating prodrug J1 can be activated by aminopeptidase N, leading to a possible target directed release of melphalan.  |  Wickström, M., et al. 2010. Biochem Pharmacol. 79: 1281-90. PMID: 20067771
  8. β-Lactone natural products and derivatives inactivate homoserine transacetylase, a target for antimicrobial agents.  |  De Pascale, G., et al. 2011. J Antibiot (Tokyo). 64: 483-7. PMID: 21522158
  9. Biosynthesis of ebelactone A: isotopic tracer, advanced precursor and genetic studies reveal a thioesterase-independent cyclization to give a polyketide β-lactone.  |  Wyatt, MA., et al. 2013. J Antibiot (Tokyo). 66: 421-30. PMID: 23801186
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  13. Ebelactone, an inhibitor of esterase, produced by actinomycetes.  |  Umezawa, H., et al. 1980. J Antibiot (Tokyo). 33: 1594-6. PMID: 7251497
  14. Purification and characterization of a rat liver enzyme that hydrolyzes valaciclovir, the L-valyl ester prodrug of acyclovir.  |  Burnette, TC., et al. 1995. J Biol Chem. 270: 15827-31. PMID: 7797586
  15. Human acylpeptide hydrolase. Studies on its thiol groups and mechanism of action.  |  Scaloni, A., et al. 1994. J Biol Chem. 269: 15076-84. PMID: 8195144

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Ebelactone A, 1 mg

sc-203035
1 mg
$98.00