GLYCINE (13C2,15N) is an isotopically labeled form of glycine, the simplest proteinogenic amino acid featuring a two-carbon side chain that is effectively a hydrogen substituent on the alpha carbon (H2N-CH2-COOH). The molecule contains an amino group and a carboxyl group and incorporates the stable isotopes 13C at both carbon positions and 15N at the nitrogen, enabling mass-dependent shifts in analytical readouts while retaining the same overall connectivity and stereochemical neutrality typical of glycine. It is used as a labeled substrate or internal standard in isotopic tracing, peptide and protein labeling workflows, and quantitative LC-MS or NMR method development where the isotopic enrichment supports tracking and discrimination of glycine-containing species.
CAT No: L-Iso-0273
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