L-ARGININE:HCL (13C6) is an isotopically labeled, free amino acid salt in which L-arginine is enriched with six 13C atoms, retaining the canonical arginine side-chain framework with a guanidinium group. The molecule contains an α-amino group and an α-carboxyl group, and the guanidinium side chain bears a strongly basic functionality that is present as a salt with hydrochloride, with the stereochemistry indicated as L by the product name. This labeled arginine hydrochloride is used in isotopic tracing, quantitative amino acid and peptide analysis, and chemical biology workflows where 13C incorporation into arginine-containing structures supports mass spectrometric detection and structure-composition studies.
CAT No: L-Iso-0088
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