L-ORNITHINE:HCL (5-15N) is an isotopically labeled amino acid salt consisting of L-ornithine paired with hydrochloride and containing a 15N label at the 5-position of the side-chain. The molecule is a basic, non-proteinogenic side-chain variant of ornithine featuring an amino group on the α-carbon and a terminal primary amine on the (CH2)3 side chain that can exist as the protonated form in the presence of HCl, with the labeled nitrogen providing an NMR- or MS-distinguishing isotopic signature. It is used as a substrate or tracer material for isotopic labeling and analytical method development in studies of amino acid handling, nitrogen incorporation, and quantification of ornithine-related intermediates in chemical biology and peptide/protein workups where isotopic discrimination is required.
CAT No: L-Iso-0468
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