L-ARGININE:HCL (1-13C) is an isotopically labeled, free amino acid in the basic, proteinogenic arginine class, featuring a guanidinium-bearing side chain attached to an α-amino and α-carboxyl group, with the label specified as 13C at the 1-position of the amino acid framework. Presented as the hydrochloride salt, the molecule contains a protonated guanidinium functionality and an additional chloride counterion that modulate salt-state properties while retaining the standard amino acid connectivity. In research and analytical workflows, the 13C label enables isotope-resolved tracing and quantification in amino acid metabolism studies, peptide and protein labeling experiments, and NMR or MS method development where arginine-derived chemical environments are monitored.
CAT No: L-Iso-0085
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