25-Hydroxyvitamin D2
25-Hydroxyvitamin D2, identified by CAS number 21343-40-8, is a crucial metabolic intermediate of Vitamin D2, also known as ergocalciferol. This compound is synthesized in the liver through the hydroxylation of Vitamin D2 by the enzyme 25-hydroxylase. As a major circulating form of Vitamin D2, it serves as a primary indicator for assessing nutritional status and metabolic pathways related to ergocalciferol intake. Chemically, it is a seco-steroid characterized by its specific side-chain structure, which distinguishes it from its D3 counterpart.
In laboratory and industrial settings, 25-Hydroxyvitamin D2 is handled as a high-purity analytical standard or a biochemical reagent. Due to its sensitivity to light, oxygen, and temperature, it requires specialized storage conditions, typically under inert gas at low temperatures, to maintain its chemical integrity. Its role is fundamental in analytical chemistry and clinical research, particularly in the development of assays designed to differentiate between Vitamin D2 and D3 metabolites.
• Analytical Standards and Calibration: This compound is extensively utilized as a primary reference standard in the development and calibration of liquid chromatography-tandem mass spectrometry (LC-MS/MS) and high-performance liquid chromatography (HPLC) assays. These analytical methods are essential for the precise quantification of Vitamin D metabolites in complex biological matrices, allowing researchers to distinguish between exogenous D2 sources and endogenous D3 production.
• Biochemical and Metabolic Research: 25-Hydroxyvitamin D2 serves as a vital substrate in biochemical studies exploring the enzymatic conversion processes within the Vitamin D endocrine system. Researchers use it to investigate the kinetics of 1-alpha-hydroxylase, the enzyme responsible for converting this intermediate into the active hormonal form, 1,25-dihydroxyvitamin D2, thereby furthering the understanding of mineral metabolism and bone health pathways.
• Diagnostic Kit Development: The material is a critical component in the manufacturing and validation of diagnostic immunoassay kits. By providing a stable and pure form of the metabolite, it enables the production of antibodies and competitive binding assays that are used in clinical laboratories to monitor total 25-hydroxyvitamin D levels, ensuring the accuracy and reliability of diagnostic tools across various patient populations.
• Nutritional and Pharmacological Studies: It is employed in comparative studies to evaluate the bioavailability and efficacy of different Vitamin D2 fortification strategies and supplements. By tracking the levels of 25-Hydroxyvitamin D2 in controlled research environments, scientists can assess the metabolic impact of ergocalciferol-rich diets and the efficiency of various delivery systems in maintaining adequate metabolite concentrations.
Product Name: 25-Hydroxyvitamin D2
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