Deferasirox Impurity 4

Deferasirox Impurity 4 is a chemical compound that is commonly used in pharmaceutical research and development. It is one of the impurities of Deferasirox, which is a chelating agent that is used to treat iron overload in patients who suffer from various diseases such as thalassemia and sickle cell anemia. Deferasirox Impurity 4 is typically used as a reference standard in quality control testing of Deferasirox drug substance and drug product. The chemical formula of Deferasirox Impurity 4 is C22H32N6O3S3. Its molecular weight is 552.77 g/mol. The compound is a white to off-white crystalline powder that is soluble in water and organic solvents like methanol and ethanol. It has a purity of not less than 99% and the chemical structure is characterized by a triazole ring, a benzene ring, and a thioether group. Deferasirox Impurity 4 is synthesized by a multistep process that involves the use of various reagents and solvents. The compound is typically purified by column chromatography and recrystallization techniques to obtain the desired purity level. The compound is then characterized by various analytical techniques such as NMR, HPLC, and MS to confirm its identity and purity. In conclusion, Deferasirox Impurity 4 is an important reference standard that is used in the quality control testing of Deferasirox drug substance and drug product. Its chemical structure and properties are well characterized, and its synthesis and purification are well-established.