DL-PROLINE (1-13C) is a stable-isotope-labeled amino acid belonging to the cyclic, secondary amino acid class, featuring a pyrrolidine ring that links the amino and carboxyl functional groups. The molecule bears a carboxylic acid and a primary amino group on the ring framework, with the side chain consisting of the saturated ring and with the carbonyl-adjacent carbon labeled as 13C at the position indicated by the product name, while the DL designation indicates a racemic mixture of stereoisomers. In research and analytical workflows, this labeled proline is used as an isotopic tracer or reference for mass spectrometry and NMR-based studies of amino acid incorporation, peptide/protein labeling, and carbon-flow measurements in chemical biology and related synthetic or structural investigations.
CAT No: L-Iso-0518
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