Date published: 2026-5-24

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17-Methylstearic acid (CAS 2724-59-6)

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Alternate Names:
17-Methyloctadecanoic acid
Application:
17-Methylstearic acid is reference in the analysis of iso-fatty acids
CAS Number:
2724-59-6
Purity:
≥98%
Molecular Weight:
298.50
Molecular Formula:
C19H38O2
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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17-Methylstearic acid is a saturated fatty acid that functions as a surfactant in experimental applications. It has the ability to reduce the surface tension of liquids, allowing it to act as an emulsifier and aid in the dispersion of substances that are normally immiscible. At the molecular level, 17-Methylstearic acid interacts with the interface between two immiscible phases, such as oil and water, to stabilize the system and prevent the separation of the two phases. This surfactant property may be useful in various experimental processes, including the formulation of stable emulsions and the preparation of uniform mixtures of substances that would otherwise separate. Its mechanism of action involves adsorption at the interface, where it reduces the interfacial tension and allows for the creation of stable emulsions or dispersions. In this way, 17-Methylstearic acid plays a functional role in experimental applications by facilitating the manipulation and stabilization of immiscible substances.


17-Methylstearic acid (CAS 2724-59-6) References

  1. Cistus ladanifer L. Shrub is Rich in Saturated and Branched Chain Fatty Acids and their Concentration Increases in the Mediterranean Dry Season.  |  Guerreiro, O., et al. 2015. Lipids. 50: 493-501. PMID: 25716335
  2. Identification and Quantification of Fatty Acids in T. viridissima, C. biguttulus, and C. brunneus by GC-MS.  |  Wathne, AM., et al. 2018. J Lipids. 2018: 3679247. PMID: 29682353
  3. Bifidobacterium xylocopae sp. nov. and Bifidobacterium aemilianum sp. nov., from the carpenter bee (Xylocopa violacea) digestive tract.  |  Alberoni, D., et al. 2019. Syst Appl Microbiol. 42: 205-216. PMID: 30551956
  4. Fatty acid composition profiling in the dorsal skin of Sunda porcupine (Hystrix javanica).  |  Prawira, AY., et al. 2022. J Vet Med Sci. 84: 1230-1236. PMID: 35851265
  5. X-ray structure study of thermotropic phases in isoacylphosphatidylcholine multibilayers.  |  Church, SE., et al. 1986. Biophys J. 49: 597-605. PMID: 3697473
  6. Gas chromatographic profiling analysis of urinary organic acids from nonsmokers and smokers.  |  Kim, KR., et al. 1997. J Chromatogr B Biomed Sci Appl. 701: 1-8. PMID: 9389332
  7. Metabolic Profiling of Aliphatic, hydroxy, and Methyl-Branched Fatty Acids in Human Plasma by Gas Chromatography–Mass Spectrometry  |  Seo, C., Kim, Y., Lee, H. S., Kim, S. Z., & Paik, M. J. 2018. Analytical Letters. 51(6): 793-806.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

17-Methylstearic acid, 10 mg

sc-213624
10 mg
$188.00

17-Methylstearic acid, 100 mg

sc-213624A
100 mg
$924.00