(R)-Boc-4-cyano-β-Phe-OH
(R)-Boc-4-cyano-β-Phe-OH (CAS: 501015-22-1) is a synthetic unnatural amino acid derivative with the molecular formula C15H18N2O4 and a molecular weight of 290.31 g/mol. As a Boc-protected beta-amino acid containing a cyanophenyl moiety, it serves as a valuable building block in complex organic synthesis, particularly in the fields of peptide chemistry and chemical biology for the development of novel peptides and peptidomimetics.
- IUPAC
- (R)-3-(Boc-amino)-3-(4-cyanophenyl)propionic acid,Boc-4-cyano-L-β-phenylalanine

Peptide Synthesis
Incorporated into peptide chains to introduce structural modifications or specific functionalities, aiding in the study of peptide structure-activity relationships.
Chemical Biology Research
Used as a tool compound for probing biological systems and developing new therapeutic agents or diagnostic tools.
Organic Synthesis Building Block
A versatile intermediate for the construction of complex organic molecules, leveraging the reactivity of the cyano group and the protected amino acid functionality.
| Molecular weight | 290.31 |
|---|---|
| Empirical formula | C15H18N2O4 |
| 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 (R)-Boc-4-cyano-β-Phe-OH used for?
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(R)-Boc-4-cyano-β-Phe-OH is primarily used as a building block in organic synthesis, particularly in peptide chemistry and chemical biology research for creating unnatural peptides and peptidomimetics.
What is the CAS number and molecular formula for (R)-Boc-4-cyano-β-Phe-OH?
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The CAS number is 501015-22-1 and the molecular formula is C15H18N2O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (R)-Boc-4-cyano-β-Phe-OH with a purity of ≥98.0% (HPLC). TSS does not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should (R)-Boc-4-cyano-β-Phe-OH be handled safely?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. Use with a type N95 (US) or type P1 (EN143) respirator filter in well-ventilated areas. The compound has a WGK Germany rating of 3, indicating it is hazardous.
Is this product available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, pharmaceutical intermediates, and laboratory reagents.
How can I request a sample or quote?
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Please contact our sales team directly via phone or email to request a sample or a formal quotation for (R)-Boc-4-cyano-β-Phe-OH.
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