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Names | |
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IUPAC name
5α-Stigmastan-3β-ol | |
Systematic IUPAC name
(1R,3aS,3bR,5aS,7S,9aS,9bS,11aR)-1-[(2R,5R)-5-Ethyl-6-methylheptan-2-yl]-9a,11a-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-7-ol | |
Other names
(3β)-Stigmastan-3-ol; (3β,5α)-Stigmastan-3-ol; β-Sitostanol; Dihydrositosterin; Dihydrositosterol; Dihydro-β-sitosterol; Fucostanol; Spinastanol; 24α-Ethylcholestanol | |
Identifiers | |
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3D model (JSmol) |
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ChEBI | |
ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.001.345 ![]() |
PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
C29H52O | |
Molar mass | 416.734 g·mol−1 |
Boiling point | 139.4 to 139.8 °C (282.9 to 283.6 °F; 412.5 to 412.9 K)[1] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Stigmastanol (sitostanol) is a phytosterol found in a variety of plant sources. Similar to sterol esters and stanol esters, stigmastanol inhibits the absorption of cholesterol from the diet.[2][3][4] Animal studies suggest that it also inhibits biosynthesis of cholesterol in the liver.[2][verification needed]
Stigmastanol is the product of the reductionofβ-sitosterol[5] and the hydrogenationofstigmasterol.[6]
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C28 |
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C29 |
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