Coprostanol
![Skeletal formula of coprostanol](/Images/godic/202501/06/Coprostanol1809.png")
![Ball-and-stick model of the coprostanol molecule](/Images/godic/202501/06/Coprostanol_3D_ball1809.png")
![](/Images/godic/202501/06/Mass_spectrum_coprostanol1809.png")
![](/Images/godic/202501/06/Coprostanol_formation1809.png")
5β-Coprostanol (5β-cholestan-3β-ol) is a 27-carbon stanol formed from the biohydrogenation of cholesterol (cholest-5en-3β-ol) in the gut of most higher animals and birds. This compound has frequently been used as a biomarker for the presence of human faecal matter in the environment.