L-Phenylalanine-15N
L-Phenylalanine-15N (CAS: 29700-34-3), a stable isotope-labeled amino acid with the formula C6H5CH2CH(15NH2)CO2H and a molecular weight of 166.18, is a critical reagent in biochemical research. Its 15N enrichment enables precise tracking in metabolic pathways and protein studies. Utilised in proteomics, mass spectrometry, and biomolecular NMR, it aids in elucidating complex biological processes and protein structures.

Proteomics and Mass Spectrometry
L-Phenylalanine-15N serves as an internal standard or tracer in mass spectrometry-based proteomics, allowing for accurate quantification of protein abundance and identification of metabolic flux.
Biomolecular NMR Spectroscopy
The incorporation of the 15N isotope facilitates NMR studies of protein structure, dynamics, and interactions, particularly useful for understanding protein folding and ligand binding.
Metabolic Pathway Analysis
Researchers use this labeled amino acid to trace metabolic pathways in vivo or in vitro, providing insights into cellular metabolism and the synthesis of essential biomolecules.
Drug Discovery and Development
Its use in tracing metabolic fates of phenylalanine derivatives can assist in pharmacokinetic and pharmacodynamic studies during drug development.
| Molecular weight | 166.18 |
|---|---|
| Linear formula | C6H5CH2CH(15NH2)CO2H |
| Optical activity | [α]25/D -33.0°, c = 1 in H2O |
| Melting point | 270-275 °C (dec.)(lit.) |
| Isotopic Purity | 98 atom % 15N |
|---|---|
| Mol Wt | mol wt 166.17 by atom % calculation |
| Mass Shift | M+1 |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is L-Phenylalanine-15N used for?
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L-Phenylalanine-15N is primarily used in scientific research for applications such as proteomics, mass spectrometry, biomolecular NMR, and metabolic pathway analysis due to its stable isotope labeling.
What is the CAS number and formula for L-Phenylalanine-15N?
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The CAS number is 29700-34-3 and the linear formula is C6H5CH2CH(15NH2)CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies L-Phenylalanine-15N with an isotopic purity of 98 atom % 15N. It is supplied for research purposes and is not represented as USP, BP, or EP grade.
How should L-Phenylalanine-15N be handled?
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L-Phenylalanine-15N is classified under WGK Germany 3. Handle with appropriate personal protective equipment in a well-ventilated area, following standard laboratory safety protocols for chemical reagents.
Is L-Phenylalanine-15N a controlled substance?
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The provided data does not indicate that L-Phenylalanine-15N is a controlled substance.
How is L-Phenylalanine-15N packed and exported?
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L-Phenylalanine-15N is carefully packed for stable transport and can be exported globally by Tech Serve Solutions, a specialist supplier since 1998.
How can I request a sample or quote for L-Phenylalanine-15N?
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To request a sample or a quotation for L-Phenylalanine-15N, please contact the Tech Serve Solutions sales department through our website or designated contact channels.
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