5a-Cholestan-3B-ol is a carbon stanol formed from biohydrogenation of Cholesterol (C432501) in the gut. Studies have also examined the conversion of 5a-Cholestan-3B-ol catalyzed by 3-B-hydroxysteroid dehydrogenase of rat liver. Melting Point: 138-140°CSolubility:Chloroform, Methanol (Warmed)