Date published: 2025-10-14

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2-Pentenoic acid (CAS 13991-37-2)

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Alternate Names:
trans-2-Pentenoic acid
CAS Number:
13991-37-2
Molecular Weight:
100.12
Molecular Formula:
C5H8O2
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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2-Pentenoic acid is a chemical compound that functions as a reactive intermediate in various organic synthesis reactions. It acts as a precursor in the production of agrochemicals and other fine chemicals. 2-Pentenoic Acid participates in the formation of carbon-carbon bonds through its reactivity with nucleophiles, enabling the synthesis of complex organic molecules. Its mechanism of action involves the activation of its carbon-carbon double bond, allowing it to engage in nucleophilic addition reactions with a range of substrates. 2-Pentenoic Acid′s reactivity at the molecular level may be useful in the development of novel organic compounds for research and industrial applications.


2-Pentenoic acid (CAS 13991-37-2) References

  1. Rapid analysis of polyhydroxyalkanoate contents and its monomer compositions by pyrolysis-gas chromatography combined with mass spectrometry (Py-GC/MS).  |  Khang, TU., et al. 2021. Int J Biol Macromol. 174: 449-456. PMID: 33485890
  2. RIFM fragrance ingredient safety assessment, 2-pentenoic acid, 2-methyl-, (3Z)-3-hexen-1-yl ester, CAS Registry Number 76649-17-7.  |  Api, AM., et al. 2021. Food Chem Toxicol. 156 Suppl 1: 112497. PMID: 34389373

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

2-Pentenoic acid, 25 g

sc-225526
25 g
$112.00