Cholic acid sodium (CAS No 361-09-1) is a bile acid derivative used extensively in biomedical research Its primary application is in the study of lipid metabolism and liver function Originating from natural bile acids it plays a crucial role in modulating cholesterol homeostasis and fat digestion by activating nuclear receptors such as FXR (Farnesoid X receptor) and influencing the bile acid signaling pathway In vitro it exhibits activity in the nanomolar to low micromolar range demonstrating efficacy in modulating metabolic activities Commonly utilized in hepatocyte cell models animal studies and drug screening assays it aids in understanding pathophysiological mechanisms involved in liver diseases and metabolic disorders Experimental concentrations typically depend on the specific research design allowing for versatility in study applications Its comprehensive role in metabolic research makes it a valuable tool for exploring therapeutic strategies in related fields