L-LEUCINE-N-FMOC (1,2-13C2) is an isotopically labeled, protected amino acid derivative in which L-leucine is equipped with an N-(9H-fluoren-9-ylmethoxycarbonyl) (Fmoc) carbamate on the amino group and contains two 13C atoms at positions 1 and 2 of the amino acid backbone. The molecule retains the free carboxyl group while the side chain is the hydrophobic isobutyl functionality characteristic of leucine, and the Fmoc group provides a stable nitrogen protection that can be removed under standard peptide-synthesis deprotection conditions to regenerate the amino functionality. L-LEUCINE-N-FMOC (1,2-13C2) is used as a labeled building block for solid-phase or solution-phase peptide synthesis and for analytical applications such as NMR or mass spectrometry-based tracing and quantification of leucine-containing peptides and derivatives.
CAT No: L-Iso-0374
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