L-GLUTAMINE (13C5) is an isotopically labeled amino acid derivative of L-glutamine in which five carbon atoms in the glutamyl side chain are enriched with 13C, retaining the α-amino and α-carboxyl groups characteristic of glutamine. The molecule bears an amide-containing side chain (-CH2-CH2-CONH2) that provides hydrogen-bonding functionality, and the stereochemistry is specified as L at the α-carbon while the labeled carbons distinguish it from the unlabeled amino acid in mass-based analyses. L-GLUTAMINE (13C5) is used in isotopic tracing, quantitative LC-MS or GC-MS method development, and structural or metabolic studies where incorporation of a carbon-labeled glutamine analogue into downstream amino acid or peptide-related species is monitored by its 13C signature.
CAT No: L-Iso-0247
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