25-Hydroxyvitamin D2-[d3]

25-Hydroxyvitamin D2-[d3] is a derivative of vitamin D, which is an essential nutrient for human health. It is produced in the liver by the hydroxylation of vitamin D2 or vitamin D3, which are obtained from dietary sources or synthesized in the skin upon exposure to sunlight. 25-Hydroxyvitamin D2-[d3] is the major circulating form of vitamin D in the blood and is used as an indicator of vitamin D status in the body. The primary function of vitamin D is to regulate the absorption and metabolism of calcium and phosphorus in the body, which are essential for bone health and growth. It also plays a role in the immune system, and deficiency in vitamin D has been linked to various health problems such as osteoporosis, rickets, and autoimmune diseases. 25-Hydroxyvitamin D2-[d3] is commonly measured in blood samples to assess vitamin D status and diagnose vitamin D deficiency. The normal range for 25-Hydroxyvitamin D2-[d3] levels in the blood is between 30-100 ng/mL, with levels below 20 ng/mL considered deficient. In terms of chemical information, 25-Hydroxyvitamin D2-[d3] has a molecular formula of C28H44O2 and a molecular weight of 412.65 g/mol. It has a white crystalline powder appearance and is soluble in ethanol, chloroform, and ether. 25-Hydroxyvitamin D2-[d3] is stable under normal conditions and is not affected by heat, light, or air. In conclusion, 25-Hydroxyvitamin D2-[d3] plays a crucial role in maintaining bone health and the immune system. It is commonly used as an indicator of vitamin D status and is important for the diagnosis and treatment of various health problems.