Levothyroxine EP Impurity D

Levothyroxine EP Impurity D is a chemical compound that is commonly used in the pharmaceutical industry to manufacture a variety of thyroid hormone replacement therapies. This compound is known by its chemical name, (S)-2-Amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoic acid, and is often referred to simply as Impurity D. The main use of Levothyroxine EP Impurity D is as a reference standard for the analysis and identification of thyroid hormone replacement therapies. This compound is often used as a benchmark in quality control testing to ensure that the levels of impurities in the final product fall within acceptable limits. Additionally, it can be used in the synthesis of novel thyroid hormone replacement therapies. Levothyroxine EP Impurity D has a molecular weight of 888.94 g/mol and a melting point of 288-292°C. This compound is a white to off-white crystalline powder that is sparingly soluble in water but soluble in organic solvents such as methanol and ethanol. It is important to handle this compound with care as it may cause skin and eye irritation. In conclusion, Levothyroxine EP Impurity D is a vital compound in the pharmaceutical industry for the manufacture of thyroid hormone replacement therapies. Its usage as a reference standard ensures the quality and safety of these therapies, and its chemical properties make it a valuable tool in the synthesis of novel treatments.