Date published: 2025-10-14

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5-Methyl-2-hepten-4-one (CAS 81925-81-7)

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CAS Number:
81925-81-7
Molecular Weight:
126.20
Molecular Formula:
C8H14O
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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5-Methyl-2-hepten-4-one acts as a volatile organic compound and may interact with olfactory receptors, triggering a sensory response in the brain that is perceived as a specific scent or flavor. At the molecular level, 5-Methyl-2-hepten-4-one binds to odorant receptors, initiating a cascade of signaling events that result in the perception of its characteristic odor. Its mechanism of action involves its ability to bind to specific receptors in the olfactory system, leading to the perception of its distinct aroma. In experimental applications, this compound may be utilized to study olfactory perception.


5-Methyl-2-hepten-4-one (CAS 81925-81-7) References

  1. Recent applications of stereoselective chromatography.  |  Szymura-Oleksiak, J., et al. 2002. Chirality. 14: 417-35. PMID: 11984758
  2. 2,3-di-O-methoxymethyl-6-O-tert-butyldimethylsilyl-gamma-cyclodextrin: a new class of cyclodextrin derivatives for gas chromatographic separation of enantiomers.  |  Takahisa, E. and Engel, KH. 2005. J Chromatogr A. 1063: 181-92. PMID: 15700470
  3. 2,3-di-O-methoxymethyl-6-O-tert-butyldimethylsilyl-beta-cyclodextrin, a useful stationary phase for gas chromatographic separation of enantiomers.  |  Takahisa, E. and Engel, KH. 2005. J Chromatogr A. 1076: 148-54. PMID: 15974081
  4. Structure-activity relationship of cinnamaldehyde analogs as inhibitors of AI-2 based quorum sensing and their effect on virulence of Vibrio spp.  |  Brackman, G., et al. 2011. PLoS One. 6: e16084. PMID: 21249192
  5. Flavor characteristics of seven grades of black tea produced in Turkey.  |  Alasalvar, C., et al. 2012. J Agric Food Chem. 60: 6323-32. PMID: 22642545
  6. RIFM fragrance ingredient safety assessment, 5-methyl-2-hepten-4-one, CAS Registry Number 81925-81-7.  |  Api, AM., et al. 2022. Food Chem Toxicol. 161 Suppl 1: 112879. PMID: 35218917
  7. Effects of enzyme treatment on volatile and non-volatile compounds in dried green tea leaves.  |  Kim, M. and Park, SK. 2022. Food Sci Biotechnol. 31: 539-547. PMID: 35529688
  8. Effect of in vitro digestion and fermentation on antioxidant capacity of weight loss foods and Maillard reaction products content.  |  Pérez-Burillo, S., et al. 2023. Food Res Int. 166: 112616. PMID: 36914357

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

5-Methyl-2-hepten-4-one, 2 g

sc-278252
2 g
$99.00