Boc-Phe(4-F)-OH
Boc-Phe(4-F)-OH (CAS 41153-30-4), with the molecular formula C14H18FNO4 and a molecular weight of 283.30 g/mol, is a fluorinated phenylalanine derivative. This unnatural amino acid derivative is primarily utilised in chemical synthesis and peptide chemistry. Its protected structure makes it a valuable building block for creating complex peptides and modified biomolecules in research and development settings.
- IUPAC
- Boc-4-fluoro-L-phenylalanine
- Synonyms
- Boc-4-fluoro-L-phenylalanine

Peptide Synthesis
Used as a protected unnatural amino acid building block for solid-phase or solution-phase peptide synthesis, enabling the incorporation of fluorinated phenylalanine residues into peptide chains.
Chemical Biology Research
Facilitates the study of peptide structure-activity relationships and protein-ligand interactions by introducing a metabolically stable, fluorinated analogue of phenylalanine.
Drug Discovery and Development
Serves as an intermediate in the synthesis of novel pharmaceutical compounds and peptidomimetics, where fluorine substitution can modulate metabolic stability and binding affinity.
Organic Synthesis
A versatile reagent in organic synthesis for the construction of complex molecules containing the 4-fluoro-phenylalanine moiety.
| Molecular weight | 283.30 |
|---|---|
| Empirical formula | C14H18FNO4 |
| Assay | ≥99.0% (TLC) |
| Melting point | 83-86 °C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 Boc-Phe(4-F)-OH used for?
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Boc-Phe(4-F)-OH is used as a protected unnatural amino acid building block in peptide synthesis, chemical biology research, and drug discovery for creating modified peptides and other complex organic molecules.
What is the CAS number and formula for Boc-Phe(4-F)-OH?
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The CAS number for Boc-Phe(4-F)-OH is 41153-30-4, and its empirical formula is C14H18FNO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Boc-Phe(4-F)-OH with a minimum purity of ≥99.0% (determined by TLC). This product is intended for research and laboratory use and is not supplied as USP, BP, EP, or pharmaceutical grade.
How should Boc-Phe(4-F)-OH be handled safely?
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Handle Boc-Phe(4-F)-OH with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or P1 (EN143) respirator filter may be necessary. Refer to the Safety Data Sheet (SDS) for detailed handling and hazard information. It has a WGK Germany classification of 3.
How is Boc-Phe(4-F)-OH shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, handling all aspects of shipping and export documentation for Boc-Phe(4-F)-OH.
How can I request a quote or sample for Boc-Phe(4-F)-OH?
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Please contact our sales team via the website or direct inquiry to request a quotation or sample of Boc-Phe(4-F)-OH.
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