Date published: 2026-2-13

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3(S)-Oxidosqualene (CAS 54910-48-4)

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Alternate Names:
[S-(all-E)]-2,2-Dimethyl-3-(3,7,12,16,20-pentamethyl-3,7,11,15,19-heneicosapentaenyl)oxirane
CAS Number:
54910-48-4
Molecular Weight:
426.72
Molecular Formula:
C30H50O
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(S)-Oxidosqualene is a intermediate in the biosynthesis of various isoprenoids, such as sterols and triterpenoids, making it a component for the synthesis of cholesterol—an essential molecule for proper bodily function. Thus, researchers have extensively studied 3(S)-Oxidosqualene due to its significance in the biosynthesis of these compounds. It is used as a substrate for studying the enzymes involved in isoprenoid biosynthesis, as well as a precursor for synthesizing natural products such as squalene epoxide, which exhibits anti-inflammatory and anti-cancer properties. The conversion of 3(S)-Oxidosqualene to lanosterol marks a significant step in cholesterol biosynthesis, facilitated by the enzyme squalene epoxidase. Subsequently, lanosterol undergoes a series of enzymatic reactions to form cholesterol. Feedback inhibition precisely regulates cholesterol biosynthesis, ensuring the production of an appropriate amount within the body.


3(S)-Oxidosqualene (CAS 54910-48-4) References

  1. Genome mining to identify new plant triterpenoids.  |  Fazio, GC., et al. 2004. J Am Chem Soc. 126: 5678-9. PMID: 15125655
  2. Deletion of the Gly600 residue of Alicyclobacillus acidocaldarius squalene cyclase alters the substrate specificity into that of the eukaryotic-type cyclase specific to (3S)-2,3-oxidosqualene.  |  Hoshino, T., et al. 2004. Angew Chem Int Ed Engl. 43: 6700-3. PMID: 15593147
  3. Squalene cyclase and oxidosqualene cyclase from a fern.  |  Shinozaki, J., et al. 2008. FEBS Lett. 582: 310-8. PMID: 18154734

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

3(S)-Oxidosqualene, 2.5 mg

sc-478441
2.5 mg
$408.00

3(S)-Oxidosqualene, 10 mg

sc-478441A
10 mg
$1428.00

3(S)-Oxidosqualene, 25 mg

sc-478441B
25 mg
$3060.00