L-ARGININE:HCL UNLABELED is a free amino acid salt consisting of L-arginine associated with hydrochloride, featuring the α-amino and α-carboxyl groups alongside a guanidinium-containing side chain characteristic of arginine. In aqueous solution, the guanidinium moiety is strongly basic and the hydrochloride counterion is associated with the protonated amino acid, while the amino acid retains the L stereochemical form as indicated by the name. This salt form is used as a defined arginine source for amino-acid-based synthesis and peptide-related workflows, as well as for preparing standards and substrates in biochemical and analytical studies where the guanidinium functionality and controlled protonation state are relevant.
CAT No: L-Iso-0096
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