beta-Sitosterol

β-Sitosterol
Names
	IUPAC name Stigmast-5-en-3β-ol
	Systematic IUPAC name (1R,3aS,3bS,7S,9aR,9bS,11aR)-1-[(2R,5R)-5-Ethyl-6-methylheptan-2-yl]-9a,11a-dimethyl-2,3,3a,3b,4,6,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-cyclopenta[a]phenanthren-7-ol
	Other names 22,23-Dihydrostigmasterol, β-Sitosterin
Identifiers
CAS Number	83-46-5 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:27693 ;
ChEMBL	ChEMBL221542 ;
ChemSpider	192962 ;
ECHA InfoCard	100.001.346
PubChem CID	222284;
UNII	S347WMO6M4 ;
CompTox Dashboard (EPA)	DTXSID5022481 ;
	InChI InChI=1S/C29H50O/c1-7-21(19(2)3)9-8-20(4)25-12-13-26-24-11-10-22-18-23(30)14-16-28(22,5)27(24)15-17-29(25,26)6/h10,19-21,23-27,30H,7-9,11-18H2,1-6H3/t20-,21-,23+,24+,25-,26+,27+,28+,29-/m1/s1 Key: KZJWDPNRJALLNS-VJSFXXLFSA-N ; InChI=1/C29H50O/c1-7-21(19(2)3)9-8-20(4)25-12-13-26-24-11-10-22-18-23(30)14-16-28(22,5)27(24)15-17-29(25,26)6/h10,19-21,23-27,30H,7-9,11-18H2,1-6H3/t20-,21-,23+,24+,25-,26+,27+,28+,29-/m1/s1 Key: KZJWDPNRJALLNS-VJSFXXLFBZ;
	SMILES O[C@@H]4C/C3=C/C[C@@H]1[C@H](CC[C@]2([C@H]1CC[C@@H]2[C@H](C)CC[C@@H](CC)C(C)C)C)[C@@]3(C)CC4;
Properties
Chemical formula	C29H50O
Molar mass	414.718 g·mol−1
Melting point	136 to 140 °C (277 to 284 °F; 409 to 413 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

β-sitosterol (beta-sitosterol) is one of several phytosterols (plant sterols) with chemical structures similar to that of cholesterol. It is a white, waxy powder with a characteristic odor, and is one of the components of the food additive E499. Phytosterols are hydrophobic and soluble in alcohols.

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