5-Oxo-DL-proline D5

5-Oxo-DL-proline D5 is a stable isotope-labeled compound used primarily as a research tool in molecular biology and medicinal chemistry. It is a derivative of proline, an amino acid that plays a crucial role in protein synthesis and cellular metabolism. The compound is used as a reference standard and internal standard in mass spectrometry-based assays to quantify proline and its derivatives in biological samples. It is also used as a probe in studies of the physiological and pathological roles of proline in various diseases, including cancer, diabetes, and neurodegenerative disorders. From a chemical standpoint, 5-Oxo-DL-proline D5 is a deuterated form of 5-oxo-DL-proline, also known as pyroglutamic acid. It is a white crystalline powder with a molecular weight of 166.2 g/mol and a melting point of 158-160 degrees Celsius. The compound is stable under normal conditions but should be stored in a dry, dark place at room temperature to prevent degradation. It is soluble in water and organic solvents such as methanol and ethanol. In conclusion, 5-Oxo-DL-proline D5 is a valuable tool for researchers studying proline and its derivatives in biological systems. Its stable isotope labeling and chemical properties make it an ideal internal standard in mass spectrometry-based assays and a useful probe in studies of disease mechanisms and drug discovery.