L-ASPARTIC ACID (2-13C) is an isotopically labeled proteinogenic amino acid belonging to the aspartic acid family, featuring a side chain with a terminal carboxylic acid and a stereogenic center consistent with the "L" designation. The molecule contains both an α-amino group and an α-carboxyl group, and the side-chain carbon at the "2-13C" position is enriched with the 13C isotope, enabling NMR, MS, or isotopic-tracing readouts while retaining the native acidic functionality. As a labeled free amino acid, it is used in isotopic labeling and analytical method development for studying amino acid incorporation into peptide or protein structures, tracking chemical transformations involving aspartate, and supporting quantitative mass spectrometric or spectroscopic measurements of reaction mixtures.
CAT No: L-Iso-0129
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