3-Epi-25-Hydroxyvitamin D3-[13C5]

3-Epi-25-Hydroxyvitamin D3-[13C5] is a synthetic derivative of vitamin D3, a fat-soluble vitamin that plays a crucial role in maintaining bone health and regulating calcium and phosphorus levels in the body. This compound is labeled with five carbon-13 isotopes, which allows for easier identification and tracking in laboratory experiments. In research settings, 3-Epi-25-Hydroxyvitamin D3-[13C5] is often used as a tracer to study the metabolism and pharmacokinetics of vitamin D3 in the body. It is also used to investigate the biological activity and effects of vitamin D3 analogues, which may have potential therapeutic applications in the treatment of various illnesses and conditions. Chemically, 3-Epi-25-Hydroxyvitamin D3-[13C5] is a derivative of 25-hydroxyvitamin D3, the major circulating form of vitamin D3 in the body. It differs from the parent compound in that it possesses a modified side chain at the C-3 position. This modification alters the biological activity and metabolism of the compound, making it a useful tool for studying the effects of structural changes on vitamin D3 function. Overall, 3-Epi-25-Hydroxyvitamin D3-[13C5] is a valuable compound for researchers studying the mechanisms and effects of vitamin D3 and its analogues. Its isotopic labeling allows for precise tracking and analysis, while its structural modifications offer insights into the structure-activity relationships of this important vitamin.