L-ARGININE:HCL (1,2-13C2) is a stable-isotope labeled, free amino acid derivative consisting of L-arginine in the form of a hydrochloride salt, where the carbon atoms at positions 1 and 2 are enriched with 13C. The molecule contains an α-amino group and an α-carboxyl group, along with the arginine side chain bearing a guanidinium functionality that is protonated under acidic conditions typical for hydrochloride salts, and the stereochemistry is specified as L. As an isotopically labeled building block for chemical biology and peptide-related studies, it is used for carbon-tracing experiments, mass spectrometric quantification, and synthesis of labeled arginine-containing amino acid and peptide derivatives.
CAT No: L-Iso-0083
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