Date published: 2026-2-3

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Ethyl arachidate (CAS 18281-05-5)

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Alternate Names:
Ethyl eicosanoate; Ethyl ester of eicosanoic acid; Arachidic acid ethyl ester
CAS Number:
18281-05-5
Molecular Weight:
340.58
Molecular Formula:
C22H44O2
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Ethyl arachidate is a naturally occurring fatty acid abundantly present in the body. As a vital constituent of cell membranes, it plays a role in supporting the immune system′s proper functioning. This fatty acid is found in food sources like fish, eggs, and certain dairy products and has demonstrated its potential to shield against oxidative stress in vitro. This protective effect is believed to be linked to its ability to enhance the activity of antioxidant enzymes.


Ethyl arachidate (CAS 18281-05-5) References

  1. Study on Morphology and Rheological Property of Organoclay Dispersions in Soybean Oil Fatty Acid Ethyl Ester over a Wide Temperature Range.  |  Shi, H., et al. 2020. ACS Omega. 5: 1851-1861. PMID: 32039321
  2. Anti-Inflammatory and Analgesic Effect of Arachic Acid Ethyl Ester Isolated from Propolis.  |  Sokeng, SD., et al. 2020. Biomed Res Int. 2020: 8797284. PMID: 32462026
  3. Brain-Penetrating and Disease Site-Targeting Manganese Dioxide-Polymer-Lipid Hybrid Nanoparticles Remodel Microenvironment of Alzheimer's Disease by Regulating Multiple Pathological Pathways.  |  Park, E., et al. 2023. Adv Sci (Weinh). 10: e2207238. PMID: 36808713
  4. Skin Wound Healing and Anti-Wrinkle-Promoting In Vitro Biological Activities of Caragana sinica Flower Absolute and Its Chemical Composition.  |  Kim, MJ., et al. 2023. Pharmaceuticals (Basel). 16: PMID: 37017451
  5. Ethyl Acetate Fractions of Tectona Grandis Crude Extract Modulate Glucose Absorption and Uptake as Well as Antihyperglycemic Potential in Fructose-Streptozotocin-Induced Diabetic Rats.  |  Sanni, O., et al. 2023. Int J Mol Sci. 25: PMID: 38203195
  6. Terroir Dynamics: Impact of Vineyard and Canopy Treatment with Chitosan on Anthocyanins, Phenolics, and Volatile and Sensory Profiles of Pinot Noir Wines from South Tyrol.  |  Tchouakeu Betnga, PF., et al. 2024. Molecules. 29: PMID: 38731406
  7. Fatty acid methyl and ethyl esters as well as wax esters for evaluating the quality of olive oils  |  Biedermann, M., et al. 2008. European Food Research and Technology. 228: 65-74.
  8. Densities and viscosities of minority fatty acid methyl and ethyl esters present in biodiesel  |  Pratas, M. J., et al. 2011. Journal of Chemical & Engineering Data. 56(5): 2175-2180.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Ethyl arachidate, 1 g

sc-214985
1 g
$75.00

Ethyl arachidate, 10 g

sc-214985A
10 g
$411.00