[13C5]-L-Pyroglutamic acid

[13C5]-L-Pyroglutamic acid, also known as [13C5]-5-oxo-L-proline, is a stable isotope-labeled compound with five carbon-13 atoms. It is a derivative of L-Pyroglutamic acid, an amino acid that is commonly found in human tissues and fluids. [13C5]-L-Pyroglutamic acid is commonly used as a biochemical tracer in metabolic studies, particularly in the study of the metabolism of glutamine and proline. It can be used to label proteins, peptides, and other biomolecules for use in mass spectrometry and other analytical techniques. Chemically, [13C5]-L-Pyroglutamic acid is a cyclic imide that is formed by the cyclization of glutamic acid. It has a molecular formula of C10H9NO5 and a molecular weight of 231.18 g/mol. It is a white to off-white crystalline powder that is soluble in water and most organic solvents. The use of [13C5]-L-Pyroglutamic acid in metabolic studies has provided valuable insights into the metabolic pathways of glutamine and proline. It has also been used in the diagnosis and treatment of certain metabolic disorders. In summary, [13C5]-L-Pyroglutamic acid is a stable isotope-labeled compound that is commonly used as a biochemical tracer in metabolic studies. Its chemical properties and usage make it a valuable tool in the study of human metabolism and the diagnosis and treatment of metabolic disorders.