L-HOMOARGININE:HCL (13C7+; 15N4+) is a stable isotopically labeled, free amino acid derivative in hydrochloride salt form, featuring the homoarginine side chain with a terminal guanidinium functionality and a primary amino group and carboxyl group on the α-carbon. The molecule incorporates seven 13C atoms and four 15N atoms within the labeled framework while existing as the protonated amino acid counterbalanced by chloride, and the stereochemistry is specified as L at the α-carbon. In research and analytical workflows, this isotopic labeling supports quantitative LC-MS or GC-MS method development, isotopically resolved tracing experiments, and the preparation of labeled amino acid standards or peptide-related materials for structure-activity and labeling studies.
CAT No: L-Iso-0318
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