Fmoc-β-(3-benzothienyl)-D-Ala-OH
Fmoc-β-(3-benzothienyl)-D-Ala-OH (CAS: 177966-61-9) is a protected unnatural amino acid derivative with the molecular formula C26H21NO4S and a molecular weight of 443.51 g/mol. This compound serves as a valuable building block in chemical synthesis, particularly in the field of peptide chemistry. Its unique benzothienyl side chain makes it useful for introducing specific structural modifications into peptides for research purposes.
- IUPAC
- Fmoc-3-(3-benzothienyl)-D-alanine
- Synonyms
- Fmoc-3-(3-benzothienyl)-D-alanine

Peptide Synthesis
Used as a protected unnatural amino acid in solid-phase or solution-phase peptide synthesis to create peptides with modified structures. The Fmoc protecting group facilitates controlled coupling reactions.
Chemical Biology Research
Enables the synthesis of novel peptides for studying protein structure-function relationships, developing enzyme inhibitors, or creating probes for biological systems.
Drug Discovery
Incorporation into peptide-based drug candidates to explore novel therapeutic agents with enhanced stability, binding affinity, or pharmacokinetic properties.
Material Science
Can be utilized in the development of novel biomaterials or self-assembling peptide structures due to its unnatural amino acid nature.
| Molecular weight | 443.51 |
|---|---|
| Empirical formula | C26H21NO4S |
| Assay | ≥96.0% (HPLC) |
| 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 Fmoc-β-(3-benzothienyl)-D-Ala-OH used for?
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Fmoc-β-(3-benzothienyl)-D-Ala-OH is primarily used as a protected unnatural amino acid in peptide synthesis for chemical biology research, drug discovery, and potentially in material science.
What are the CAS number and formula for Fmoc-β-(3-benzothienyl)-D-Ala-OH?
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The CAS number is 177966-61-9 and the empirical formula (Hill notation) is C26H21NO4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Fmoc-β-(3-benzothienyl)-D-Ala-OH with an assay of ≥96.0% by HPLC. This is a research-grade chemical and not intended for human or veterinary use, nor is it represented as USP, BP, EP, or pharmacopoeia grade.
How should Fmoc-β-(3-benzothienyl)-D-Ala-OH be handled and stored?
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Handle with appropriate personal protective equipment, including eyeshields and gloves. A respirator filter (type N95 or P1) may be necessary. Store at 2-8°C. It is classified under WGK Germany 3, indicating a high hazard to water.
How is Fmoc-β-(3-benzothienyl)-D-Ala-OH shipped or exported?
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Fmoc-β-(3-benzothienyl)-D-Ala-OH is carefully packaged for shipment and export according to relevant regulations for fine chemicals.
How can I request a sample or quote for Fmoc-β-(3-benzothienyl)-D-Ala-OH?
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Please contact our sales team through the website to request a sample or obtain a quotation for Fmoc-β-(3-benzothienyl)-D-Ala-OH.
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