DL-ASPARTIC ACID (4-13C) is a stable-isotope-labeled, non-proteinogenic form designation is not implied, amino acid derivative of aspartic acid in the DL (racemic) stereochemical mixture, featuring the standard α-amino acid backbone with a side-chain carboxylic acid. The molecule bears an amino group and a carboxyl group at the α-position while the side chain terminates in a second carboxyl functional group, and the carbon at the 4-position of the side chain is enriched with 13C for isotopic tracing. It is used as an isotopically labeled amino acid in peptide and protein labeling workflows, amino acid metabolism and turnover studies by mass spectrometry, and analytical method development where incorporation of the 13C label into downstream fragments or derivatives is monitored.
CAT No: L-Iso-0136
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