Date published: 2026-5-17

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(−)-Altenuene (CAS 889101-41-1)

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Alternate Names:
(2R,3R,4aR)-2,3,4,4a-Tetrahydro-2,3,7-trihydroxy-9-methoxy-4a-methyl-6H-dibenzo[b,d]pyran-6-one
Application:
(−)-Altenuene is A toxin isolated from the fungus Alternaria tenuis.
CAS Number:
889101-41-1
Molecular Weight:
292.28
Molecular Formula:
C15H16O6
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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(−)-Altenuene is a mycotoxin which has captured the interest of researchers studying fungal biosynthesis and the ecological role of mycotoxins. It is a secondary metabolite produced by various strains of the fungus Alternaria, known for its unique structural characteristics and biological activity, predominantly in the realm of agricultural and environmental research. This compound plays a role in studying the interaction between fungal pathogens and plant hosts. Its mechanism of action is of particular interest in the field of plant pathology, where (−)-Altenuene is used as a tool to understand the molecular pathways involved in plant defense and stress response mechanisms. By interacting with specific plant cellular components, (−)-Altenuene can induce a range of responses, from activation of defense genes to modulation of plant hormone levels, thereby providing insights into the complex dynamics of plant-fungus interactions. Additionally, its presence and concentration levels serve as indicators in environmental monitoring and agricultural research, aiding in the detection of Alternaria infestation in crops and contributing to the development of strategies for managing fungal diseases in agriculture.


(−)-Altenuene (CAS 889101-41-1) References

  1. Heptaketides with antiviral activity from three endolichenic fungal strains Nigrospora sp., Alternaria sp. and Phialophora sp.  |  He, JW., et al. 2012. Fitoterapia. 83: 1087-91. PMID: 22613072
  2. First Synthesis of (-)-Altenuene-D3 Suitable as Internal Standard for Isotope Dilution Mass Spectrometry.  |  Sebald, MA., et al. 2019. Molecules. 24: PMID: 31842521
  3. Chapter 11 - Endolichenic Fungi: A Potential Treasure Trove for Discovery of Special Structures and Bioactive Compounds  |  Gao, H., Zou, J., Li, J., & Zhao, H. 2016. Studies in natural products chemistry. 48: 347-397.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

(−)-Altenuene, 250 µg

sc-480524
250 µg
$583.00