Date published: 2026-4-25

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(+)-Abscisic Aldehyde (CAS 41944-86-9)

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Alternate Names:
(2Z,4E)-5-[(1S)-1-Hydroxy-2,6,6-trimethyl-4-oxo-2-cyclohexen-1-yl]-3-methyl-2,4-pentadienal; (+)-Abscisyl aldehyde; Abscisic Aldehyde
CAS Number:
41944-86-9
Molecular Weight:
248.32
Molecular Formula:
C15H20O3
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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(+)-Abscisic Aldehyde, is a natural plant hormone that plays a vital role in plant growth and development. It is involved in various physiological processes, including seed germination, leaf senescence, drought tolerance, and water balance regulation in plants. Additionally, (+)-Abscisic Aldehyde regulates stomatal aperture in response to environmental stress. The synthesis and degradation of (+)-Abscisic Aldehyde in plants are regulated by several biochemical and physiological processes. It has been utilized to investigate the regulation of stomatal aperture in response to environmental stress, as well as its involvement in seed germination and leaf senescence. (+)-Abscisic Aldehyde has also been employed to explore its role in drought tolerance and water balance regulation in plants. Furthermore, (+)-Abscisic Aldehyde in relation to plant responses to abiotic and biotic stress, as well as its impact on gene expression.


(+)-Abscisic Aldehyde (CAS 41944-86-9) References

  1. Is abscisic aldehyde really the immediate precursor to stress-induced ABA?  |  Cowan, AK. 2000. Trends Plant Sci. 5: 191-2. PMID: 10785663
  2. The Arabidopsis aldehyde oxidase 3 (AAO3) gene product catalyzes the final step in abscisic acid biosynthesis in leaves.  |  Seo, M., et al. 2000. Proc Natl Acad Sci U S A. 97: 12908-13. PMID: 11050171
  3. The short-chain alcohol dehydrogenase ABA2 catalyzes the conversion of xanthoxin to abscisic aldehyde.  |  González-Guzmán, M., et al. 2002. Plant Cell. 14: 1833-46. PMID: 12172025
  4. Two new alleles of the abscisic aldehyde oxidase 3 gene reveal its role in abscisic acid biosynthesis in seeds.  |  González-Guzmán, M., et al. 2004. Plant Physiol. 135: 325-33. PMID: 15122034
  5. Abscisic Aldehyde Is an Intermediate in the Enzymatic Conversion of Xanthoxin to Abscisic Acid in Phaseolus vulgaris L. Leaves.  |  Sindhu, RK., et al. 1990. Plant Physiol. 93: 689-94. PMID: 16667524
  6. Abscisic alcohol is an intermediate in abscisic Acid biosynthesis in a shunt pathway from abscisic aldehyde.  |  Rock, CD., et al. 1991. Plant Physiol. 97: 670-6. PMID: 16668451
  7. Salicylic acid improves acclimation to salt stress by stimulating abscisic aldehyde oxidase activity and abscisic acid accumulation, and increases Na+ content in leaves without toxicity symptoms in Solanum lycopersicum L.  |  Szepesi, A., et al. 2009. J Plant Physiol. 166: 914-25. PMID: 19185387
  8. Expression of Pisum sativum PsAO3 gene, which encodes an aldehyde oxidase utilizing abscisic aldehyde, is induced under progressively but not rapidly imposed drought stress.  |  Zdunek-Zastocka, E. and Sobczak, M. 2013. Plant Physiol Biochem. 71: 57-66. PMID: 23876699
  9. Aldehyde Oxidase 4 Plays a Critical Role in Delaying Silique Senescence by Catalyzing Aldehyde Detoxification.  |  Srivastava, S., et al. 2017. Plant Physiol. 173: 1977-1997. PMID: 28188272
  10. Grapevine U-Box E3 Ubiquitin Ligase VlPUB38 Negatively Regulates Fruit Ripening by Facilitating Abscisic-Aldehyde Oxidase Degradation.  |  Yu, Y., et al. 2021. Plant Cell Physiol. 61: 2043-2054. PMID: 32976591
  11. The rice aldehyde oxidase OsAO3 gene regulates plant growth, grain yield, and drought tolerance by participating in ABA biosynthesis.  |  Shi, X., et al. 2021. Biochem Biophys Res Commun. 548: 189-195. PMID: 33647795
  12. Arabidopsis aldehyde oxidase 3, known to oxidize abscisic aldehyde to abscisic acid, protects leaves from aldehyde toxicity.  |  Nurbekova, Z., et al. 2021. Plant J. 108: 1439-1455. PMID: 34587326
  13. Research progress of aldehyde oxidases in plants.  |  Wu, J., et al. 2022. PeerJ. 10: e13119. PMID: 35356472

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

(+)-Abscisic Aldehyde, 1 mg

sc-479414
1 mg
$401.00