Date published: 2026-4-3

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3-Methylpentanoic acid (CAS 105-43-1)

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Alternate Names:
(±)-3-Methylvaleric acid
CAS Number:
105-43-1
Molecular Weight:
116.16
Molecular Formula:
C6H12O2
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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3-Methylpentanoic acid is a naturally occurring compound that has been extensively researched. This organic compound is a volatile, and colorless liquid. Derived from valeric acid, 3-Methylpentanoic acid serves as an intermediate in the synthesis of various organic compounds. In vitro studies have employed cell cultures or other artificial systems to investigate its impact on cells. The precise mechanism of action of 3-Methylpentanoic acid remains incompletely understood however, it is hypothesized to operate through multiple mechanisms. These mechanisms encompass the inhibition of cyclooxygenase-2 (COX-2) and 5-lipoxygenase (5-LOX) enzymes, as well as the modulation of gene expression.


3-Methylpentanoic acid (CAS 105-43-1) References

  1. New types of glycolipids from the surface lipids of Nicotiana umbratica.  |  Shinozaki, Y., et al. 1991. Agric Biol Chem. 55: 751-6. PMID: 1368630
  2. Identification of potent odorants in different cultivars of snake fruit [Salacca zalacca (Gaert.) Voss] using gas chromatography-olfactometry.  |  Wijaya, CH., et al. 2005. J Agric Food Chem. 53: 1637-41. PMID: 15740052
  3. Volatiles in raw and cooked meat from lambs fed olive cake and linseed.  |  Gravador, RS., et al. 2015. Animal. 9: 715-22. PMID: 25387868
  4. Determination of 2-, 3-, 4-methylpentanoic and cyclohexanecarboxylic acids in wine: development of a selective method based on solid phase extraction and gas chromatography-negative chemical ionization mass spectrometry and its application to different wines and alcoholic beverages.  |  Gracia-Moreno, E., et al. 2015. J Chromatogr A. 1381: 210-8. PMID: 25601317
  5. A detailed mechanistic investigation into the reaction of 3-methylpentanoic acid with Meldrum's acid utilizing online NMR spectroscopy.  |  Dunn, AL., et al. 2016. Magn Reson Chem. 54: 477-84. PMID: 26332370
  6. RIFM fragrance ingredient safety assessment, 3-methylpentanoic acid, CAS Registry Number 105-43-1.  |  Api, AM., et al. 2020. Food Chem Toxicol. 144 Suppl 1: 111534. PMID: 32640344

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

3-Methylpentanoic acid, 25 g

sc-254508
25 g
$59.00

3-Methylpentanoic acid, 100 g

sc-254508A
100 g
$172.00