DL-GLUTAMIC ACID (3-13C) is a stable isotope-labeled, free amino acid belonging to the acidic amino acid class, featuring a side chain with a terminal carboxylic acid and an α-amino and α-carboxyl group on the same carbon skeleton. The "DL" designation indicates a racemic mixture of stereoisomers, and the label specifies incorporation of 13C at the 3-position of the glutamate carbon framework while retaining the native glutamic acid functional group pattern. As an isotopically labeled glutamate analogue, it is used in amino acid and peptide-related analytical method development, isotopic tracing experiments, and mass spectrometry-based quantification where the 13C enrichment provides distinguishable mass signatures for studying glutamate incorporation, turnover, or derivatization workflows.
CAT No: L-Iso-0226
1. Emu oil in combination with other active ingredients for treating skin imperfections
3. Myotropic activity of allatostatins in tenebrionid beetles
5. SERS spectrum of the peptide thymosin‐β4 obtained with Ag nanorod substrate
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