L-ORNITHINE:HCL (1,2-13C2) is an isotopically labeled, free amino acid salt consisting of L-ornithine paired with hydrochloride and bearing 13C enrichment at the 1 and 2 positions of the carbon skeleton. The molecule contains a primary amino group and a carboxyl functional group characteristic of amino acids, along with an additional side-chain primary amine on the ornithine backbone that can participate in acid-base equilibria and nucleophilic reactions, while the hydrochloride form provides a protonated salt state. As a stable isotope tracer, this labeled ornithine is used in isotopic labeling, amino acid metabolism and flux studies, and analytical method development where incorporation of the 13C label into downstream metabolites or derivatives enables mass spectrometric or NMR-based detection.
CAT No: L-Iso-0455
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