Dehydrocholic acid (CAS No 81-23-2) is a synthetic bile acid derivative that belongs to the biomedical research category focused on hepatobiliary and digestive studies Originating from chemical modifications of cholic acid its mechanism of action involves influencing bile flow and composition as well as engaging in pathways related to liver function and cholesterol metabolism Dehydrocholic acid demonstrates common in vitro activity ranging from nanomolar to low micromolar concentrations making it suitable for various experimental investigations It is frequently used in studies involving cell models of liver cells and animal studies that explore its effects on gallbladder and liver functions Additionally it serves as a tool in drug screening assays related to hepatoprotective and digestive therapies Experimental concentrations typically depend on the specific research design