5a-Cholestan-3a-ol-2,2,3,4,4-d5

5?-Cholestan-3?-ol-2,2,3,4,4-d5 is a deuterated form of cholesterol, a sterol molecule that plays a crucial role in the structure and function of cell membranes in animals. Deuterium is an isotope of hydrogen and its presence in the molecule can be used for various analytical and research purposes. This compound has various applications in the field of biomedical research. It is used as an internal standard for the quantification of cholesterol in biological samples using mass spectrometry. The use of deuterated internal standards improves the accuracy and precision of the analysis by reducing the variability caused by sample preparation and instrument performance. Moreover, it can also be used in the study of lipid metabolism and the role of cholesterol in various diseases such as atherosclerosis, Alzheimer's disease, and cancer. The use of deuterated cholesterol allows for tracking of cholesterol metabolism in vivo and in vitro. In terms of chemical information, 5?-Cholestan-3?-ol-2,2,3,4,4-d5 has a molecular formula of C27H45D5O, and a molecular weight of 409.75 g/mol. It is a white crystalline powder that is sparingly soluble in water but soluble in organic solvents such as ethanol and chloroform. In conclusion, 5?-Cholestan-3?-ol-2,2,3,4,4-d5 is a useful compound for various applications in the field of biomedical research, particularly in the study of cholesterol metabolism and related diseases. Its deuterated form provides enhanced analytical capabilities and can aid in the development of new treatments for these diseases.