L-Arginine, N2-[(phenylmethoxy)carbonyl]-, monohydrochloride

This compound is a protected form of the amino acid arginine, specifically N-benzoxycarbonyl-L-arginine hydrochloride, used as a building block in peptide synthesis. Its structure includes a benzyloxycarbonyl (Cbz) protecting group on the amino terminus, a free carboxylic acid, and a guanidino side chain, presented as a hydrochloride salt.