(S)-Boc-4-fluoro-β-Phe-OH
(S)-Boc-4-fluoro-β-Phe-OH (CAS 479064-88-5), with the molecular formula C14H18FNO4 and a molecular weight of 283.30 g/mol, is a key unnatural amino acid derivative. It finds utility as a building block in chemical synthesis, particularly within peptide chemistry and chemical biology. Its unique structure makes it valuable for developing novel peptide analogues and complex organic molecules.
- IUPAC
- (S)-3-(Boc-amino)-3-(4-fluorophenyl)propionic acid,Boc-4-fluoro-D-β-phenylalanine

Peptide Synthesis
Incorporated into peptide chains to create unnatural analogues with modified properties or functionalities. Useful for structure-activity relationship studies.
Chemical Biology
Serves as a probe or building block for investigating biological processes at the molecular level. Facilitates the study of enzyme mechanisms and protein interactions.
Organic Synthesis
Acts as a chiral intermediate in the synthesis of complex organic molecules. Its defined stereochemistry is crucial for stereoselective transformations.
| Molecular weight | 283.30 |
|---|---|
| Empirical formula | C14H18FNO4 |
| Assay | ≥98.0% (HPLC) |
| 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 (S)-Boc-4-fluoro-β-Phe-OH used for?
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(S)-Boc-4-fluoro-β-Phe-OH is primarily used as a building block in peptide synthesis, chemical biology research, and organic synthesis. It is particularly valuable for creating unnatural amino acid derivatives and modified peptides.
What are the CAS number and formula for (S)-Boc-4-fluoro-β-Phe-OH?
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The CAS number is 479064-88-5, and the empirical formula (Hill notation) is C14H18FNO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (S)-Boc-4-fluoro-β-Phe-OH with an assay of ≥98.0% (HPLC). TSS does not represent this product as USP, BP, or EP grade.
How should (S)-Boc-4-fluoro-β-Phe-OH be handled?
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Handle with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. This compound is classified with a WGK Germany of 3, indicating a high hazard to water.
Is (S)-Boc-4-fluoro-β-Phe-OH suitable for international export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including (S)-Boc-4-fluoro-β-Phe-OH.
How can I request a sample or quote for (S)-Boc-4-fluoro-β-Phe-OH?
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Please contact our sales team directly to request a sample or a quotation for (S)-Boc-4-fluoro-β-Phe-OH.
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