DL-ORNITHINE:HCL (3,3,4,4,5,5-D6) is a deuterium-labeled, free amino acid derivative consisting of ornithine in its hydrochloride salt form, where six ring/side-chain hydrogens are replaced by deuterium at the 3,3,4,4,5,5 positions, yielding a non-proteinogenic amino acid with a primary amino group and a terminal carboxyl group plus an additional δ-amino functionality characteristic of the ornithine side chain. The molecule bears two amino groups and one carboxyl group, and as a hydrochloride salt the basic nitrogens are protonated to form an ionic species that improves handling and supports water-based analytical workflows without masking the underlying functional-group pattern. DL-ORNITHINE:HCL (3,3,4,4,5,5-D6) is used as an isotopically labeled reference or tracer in amino acid quantification, isotopic tracing, and mass spectrometry-based method development for studying labeled nitrogen-containing metabolites and for preparing deuterated ornithine-containing intermediates in chemical biology and peptide-related research.
CAT No: L-Iso-0462
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