(S)-Boc-3-(2-naphthyl)-β-Ala-OH
(S)-Boc-3-(2-naphthyl)-β-Ala-OH (CAS: 500770-69-4) is a protected unnatural amino acid derivative with the molecular formula C18H21NO4 and a molecular weight of 315.36 g/mol. As a key building block in peptide synthesis and chemical biology, it is utilised in the construction of novel peptides and complex organic molecules. Its specific stereochemistry and naphthyl side chain offer unique properties for research and development applications.
- IUPAC
- (S)-3-(Boc-amino)-3-(2-naphthyl)propionic acid,D-Boc-3-(2-naphthyl)-β-alanine
- Synonyms
- (S)-3-(Boc-amino)-3-(2-naphthyl)propionic acidD-Boc-3-(2-naphthyl)-β-alanine

Peptide Synthesis
Serves as a crucial unnatural amino acid building block for the incorporation of non-proteinogenic residues into peptide chains. This enables the creation of peptides with modified structures and enhanced properties for research.
Chemical Biology
Utilised in the synthesis of biologically relevant molecules and probes. Its unique naphthyl moiety can be employed for fluorescent labeling or to influence molecular interactions in biological systems.
Organic Synthesis
Acts as a versatile intermediate in the construction of complex organic molecules. The Boc-protected amine and carboxylic acid functionalities allow for selective derivatisation and coupling reactions.
| Molecular weight | 315.36 |
|---|---|
| Empirical formula | C18H21NO4 |
| 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-3-(2-naphthyl)-β-Ala-OH primarily used for?
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(S)-Boc-3-(2-naphthyl)-β-Ala-OH is primarily used as a building block in peptide synthesis and chemical biology due to its unnatural amino acid structure and naphthyl side chain.
What is the CAS number and molecular formula for (S)-Boc-3-(2-naphthyl)-β-Ala-OH?
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The CAS number is 500770-69-4 and the molecular formula is C18H21NO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (S)-Boc-3-(2-naphthyl)-β-Ala-OH with an assay of ≥98.0% (HPLC). We do not represent this product as USP, BP, or EP grade.
How should (S)-Boc-3-(2-naphthyl)-β-Ala-OH be handled safely?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if necessary. The substance has a WGK Germany rating of 3, indicating it is hazardous to water.
Is (S)-Boc-3-(2-naphthyl)-β-Ala-OH available for international export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including (S)-Boc-3-(2-naphthyl)-β-Ala-OH.
How can I request a sample or quote for (S)-Boc-3-(2-naphthyl)-β-Ala-OH?
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Please contact our sales team through the website or by phone to request a sample or a quotation for (S)-Boc-3-(2-naphthyl)-β-Ala-OH.
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