L-GLUTAMINE (13C5,D5,15N2) is an isotopically labeled form of the proteinogenic amino acid glutamine, featuring the side-chain amide that distinguishes it as a neutral, polar amino acid within the L-amino acid family. The molecule bears an α-amino group and an α-carboxyl group, with the glutamine side chain terminating in a primary amide, while the labeled atoms (13C, D, and 15N) enable isotopic tracing without changing the underlying connectivity or functional-group pattern. As an isotopically enriched substrate and analytical reference, it is used in amino acid metabolism and turnover studies, peptide and protein labeling workflows, and quantitative mass spectrometry or NMR method development where isotopic incorporation and detection are required.
CAT No: L-Iso-0246
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