(S)-Boc-β-Tyr-OH
(S)-Boc-β-Tyr-OH (CAS: 499995-80-1) is a protected unnatural amino acid derivative with the molecular formula C14H19NO5 and a molecular weight of 281.30 g/mol. It is a valuable building block in peptide synthesis and chemical biology research. Supplied by Tech Serve Solutions, this compound serves as a key intermediate for creating modified peptides and complex organic molecules with tailored properties.
- IUPAC
- (S)-3-(Boc-amino)-3-(4-hydroxyphenyl)propionic acid,Boc-D-β-tyrosine

Peptide Synthesis
(S)-Boc-β-Tyr-OH is a crucial component for incorporating unnatural beta-amino acids into peptide chains. This modification allows for the creation of peptidomimetics with enhanced stability or altered biological activity compared to natural peptides.
Chemical Biology Research
This compound is utilised in chemical biology to synthesise modified peptides for studying protein-ligand interactions or developing novel probes. Its unnatural beta-amino acid structure offers unique conformational possibilities.
Organic Synthesis
As a protected amino acid, (S)-Boc-β-Tyr-OH serves as a versatile starting material or intermediate in multi-step organic synthesis pathways. It enables the construction of complex molecular architectures.
| Molecular weight | 281.30 |
|---|---|
| Empirical formula | C14H19NO5 |
| 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-β-Tyr-OH used for?
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(S)-Boc-β-Tyr-OH is primarily used in peptide synthesis and chemical biology research as a building block for unnatural amino acid derivatives and peptidomimetics.
What are the CAS number and chemical formula for (S)-Boc-β-Tyr-OH?
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The CAS number is 499995-80-1 and the empirical formula (Hill notation) is C14H19NO5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (S)-Boc-β-Tyr-OH with an assay of ≥98.0% determined by HPLC. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for (S)-Boc-β-Tyr-OH?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or P1 (EN143) respirator filter is recommended. Refer to the safety data sheet for comprehensive handling information. It has a WGK Germany classification of 3.
How is (S)-Boc-β-Tyr-OH packed and shipped?
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Chemicals are carefully packed according to industry standards for safe transport and are available for global export.
How can I request a sample or quote for (S)-Boc-β-Tyr-OH?
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Please contact our sales team via the website to request a sample or obtain a quotation for (S)-Boc-β-Tyr-OH.
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