Coprostanol
（重定向自Stercorin）
![Skeletal formula of coprostanol](/Images/godic/202502/13/Coprostanol1316.png")
![Ball-and-stick model of the coprostanol molecule](/Images/godic/202502/13/Coprostanol_3D_ball1317.png")
![](/Images/godic/202502/13/Mass_spectrum_coprostanol1317.png")
![](/Images/godic/202502/13/Coprostanol_formation1317.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.