(R)-3-(Fmoc-amino)-4-(2-naphthyl)butyric acid
(R)-3-(Fmoc-amino)-4-(2-naphthyl)butyric acid (CAS: 269398-91-6; Formula: C29H25NO4) is a specialised unnatural amino acid derivative. It is a key building block in peptide chemistry and chemical synthesis. This compound is essential for creating novel peptides and complex organic molecules with unique properties for applications in chemical biology research and drug discovery.
- IUPAC
- Fmoc-4-(2-naphthyl)-D-β-homoalanine,Fmoc-D-β-2-Homonal-OH

Peptide Synthesis
Utilised as a non-natural amino acid building block for the incorporation into peptide chains, enabling the development of peptides with altered structures and functionalities.
Chemical Biology Research
Employed in the synthesis of labelled or modified peptides for studying biological processes, protein-protein interactions, and enzyme mechanisms.
Organic Synthesis Intermediate
Serves as a versatile intermediate in the construction of complex organic molecules and potential pharmaceutical agents.
| Molecular weight | 451.51 |
|---|---|
| Empirical formula | C29H25NO4 |
| Assay | ≥95.0% |
| Storage temperature | 2-8°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 (R)-3-(Fmoc-amino)-4-(2-naphthyl)butyric acid used for?
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(R)-3-(Fmoc-amino)-4-(2-naphthyl)butyric acid is primarily used as a building block in peptide synthesis and as an intermediate in organic synthesis for chemical biology research and drug discovery.
What are the CAS number and chemical formula for this compound?
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The CAS number is 269398-91-6, and the chemical formula is C29H25NO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (R)-3-(Fmoc-amino)-4-(2-naphthyl)butyric acid with an assay of ≥95.0%. This product is not represented as USP, BP, EP, or other pharmacopoeia grades.
What are the safety and handling considerations for this chemical?
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This compound requires careful handling. Recommended personal protective equipment includes eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is advised. It has a WGK Germany rating of 3, indicating a high hazard to water.
How is this chemical shipped and exported?
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Tech Serve Solutions, established in 1998, is a specialist global supplier and exporter of fine chemicals. Specific shipping and export details are available upon enquiry.
How can I request a sample or quote?
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To request a sample or a quote for (R)-3-(Fmoc-amino)-4-(2-naphthyl)butyric acid, please contact our sales team directly through our website or by phone.
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