"CELL FREE" AMINO ACID MIX (20 AA) (U-15N,) contains a defined set of 20 amino acids formulated as a cell-free-compatible amino acid mixture, where each component is isotopically labeled with uniformly distributed 15N across the amino nitrogen(s). The mixture comprises amino acid side chains spanning multiple functional classes (e.g., aliphatic, aromatic, hydroxyl, acidic, and basic) while retaining the free amino and carboxyl functional groups characteristic of amino acids, and the U-15N labeling enables nitrogen-specific mass shifts in analytical workflows. Employed in isotopic tracing, quantitative LC-MS or MS/MS method development, and labeled protein or peptide preparation contexts where uniform 15N incorporation into nitrogen-containing residues is required for structural, compositional, or mechanistic studies.
CAT No: L-Iso-0157
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Creative Peptides is a trusted CDMO partner specializing in high-quality peptide synthesis, conjugation, and manufacturing under strict cGMP compliance. With advanced technology platforms and a team of experienced scientists, we deliver tailored peptide solutions to support drug discovery, clinical development, and cosmetic innovation worldwide.
From custom peptide synthesis to complex peptide-drug conjugates, we provide flexible, end-to-end services designed to accelerate timelines and ensure regulatory excellence. Our commitment to quality, reliability, and innovation has made us a preferred partner across the pharmaceutical, biotechnology, and personal care industries.
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