L-ISOLEUCINE (13C6,D10,15N) is an isotopically labeled, free L-amino acid belonging to the branched-chain amino acid family, featuring a hydrophobic side chain consistent with isoleucine. The molecule contains an amino group and a carboxyl group on the α-carbon and bears an isoleucine side chain with the labeled atoms incorporated as 13C6, D10, and 15N to enable mass-dependent tracking while retaining the stereochemical form indicated by the "L" designation. As an isotopic tracer and analytical reference, it is used in amino acid profiling, peptide and protein quantification workflows, and structure-mass spectrometry method development where the labeled isoleucine provides a distinguishable isotopologue signal.
CAT No: L-Iso-0325
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