Boc-D-Bpa-OH
Boc-D-Bpa-OH (CAS: 117666-94-1) is a valuable derivative of the unnatural amino acid Biphenylalanine, featuring the N-terminal tert-butyloxycarbonyl (Boc) protecting group and the free carboxylic acid. With a molecular weight of 369.41 and empirical formula C21H23NO5, it serves as a key building block in chemical synthesis, particularly within peptide chemistry and chemical biology research.
- IUPAC
- Boc-4-benzoyl-D-phenylalanine
- Synonyms
- Boc-4-benzoyl-D-phenylalanine

Peptide Synthesis
Boc-D-Bpa-OH is utilised as a protected unnatural amino acid in solid-phase or solution-phase peptide synthesis to introduce specific structural modifications and influence peptide conformation or function.
Chemical Biology Research
This compound acts as a precursor or intermediate for synthesising peptidomimetics, modified peptides, or other complex organic molecules investigated for biological activity.
Unnatural Amino Acid Incorporation
It enables the incorporation of a D-Biphenylalanine residue into peptide chains, offering distinct steric and electronic properties compared to natural amino acids.
| Molecular weight | 369.41 |
|---|---|
| Empirical formula | C21H23NO5 |
| 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 Boc-D-Bpa-OH used for?
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Boc-D-Bpa-OH is primarily used as a protected unnatural amino acid building block in peptide synthesis and chemical biology research to create modified peptides and peptidomimetics.
What are the CAS number and formula for Boc-D-Bpa-OH?
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The CAS number is 117666-94-1 and the empirical formula is C21H23NO5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Boc-D-Bpa-OH with an assay of ≥96.0% (HPLC). This product is intended for research and laboratory use and is not represented as USP, BP, EP, or pharmaceutical grade.
What are the safety and handling precautions for Boc-D-Bpa-OH?
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Handling Boc-D-Bpa-OH requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. It has a WGK rating of 3 in Germany, indicating a significant hazard to water.
How is Boc-D-Bpa-OH stored and shipped?
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Boc-D-Bpa-OH should be stored at 2-8°C. Tech Serve Solutions exports fine chemicals globally, ensuring appropriate packaging and handling during shipment.
How can I request a quote or sample for Boc-D-Bpa-OH?
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Please contact our sales team through the website or by phone to request a quote or a sample of Boc-D-Bpa-OH.
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