(S)-Boc-2-methyl-β-Phe-OH
(S)-Boc-2-methyl-β-Phe-OH, identified by CAS number 499995-74-3 and molecular formula C15H21NO4, is a protected unnatural beta-amino acid derivative. With a molecular weight of 279.33 g/mol, this compound is valuable in advanced chemical synthesis. Its structure lends itself to applications in peptide chemistry and the development of novel pharmaceutical agents and chemical biology tools, where precise stereochemistry is critical.
- IUPAC
- (S)-3-(Boc-amino)-3-(2-methylphenyl)propionic acid,Boc-2-methyl-D-β-phenylalanine
- Synonyms
- (S)-3-(Boc-amino)-3-(2-methylphenyl)propionic acidBoc-2-methyl-D-β-phenylalanine

Peptide Synthesis
Incorporated into peptide chains to create analogues with modified properties, such as enhanced stability or altered biological activity. Its beta-amino acid nature allows for unique backbone structures.
Chemical Biology Research
Utilised as a building block for designing peptidomimetics and modified biomolecules. It can be used to probe biological pathways or to develop new diagnostic or therapeutic agents.
Drug Discovery
Serves as a key intermediate in the synthesis of novel drug candidates. Its unnatural amino acid structure can impart desirable pharmacokinetic or pharmacodynamic properties.
Asymmetric Synthesis
A chiral building block valuable in stereoselective synthesis pathways. The defined stereochemistry at the alpha-carbon is crucial for creating enantiomerically pure target molecules.
| Molecular weight | 279.33 |
|---|---|
| Empirical formula | C15H21NO4 |
| 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-2-methyl-β-Phe-OH used for?
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(S)-Boc-2-methyl-β-Phe-OH is primarily used as a building block in peptide synthesis, chemical biology research, drug discovery, and asymmetric synthesis due to its unnatural beta-amino acid structure and defined stereochemistry.
What are the CAS number and formula for (S)-Boc-2-methyl-β-Phe-OH?
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The CAS number is 499995-74-3, and the molecular formula is C15H21NO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (S)-Boc-2-methyl-β-Phe-OH with a purity of ≥98.0% determined by HPLC. This is a research-grade chemical and is not represented as USP, BP, or EP.
What are the safety and handling recommendations for (S)-Boc-2-methyl-β-Phe-OH?
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When handling (S)-Boc-2-methyl-β-Phe-OH, it is essential to wear eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if airborne exposure is a risk. The compound has a WGK Germany rating of 3, indicating a high hazard level.
Is (S)-Boc-2-methyl-β-Phe-OH a controlled substance?
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The provided data does not indicate that (S)-Boc-2-methyl-β-Phe-OH is a controlled substance.
How is (S)-Boc-2-methyl-β-Phe-OH packed, shipped, and exported?
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Tech Serve Solutions responsibly packs, ships, and exports chemicals, adhering to all relevant regulations for safe and compliant international distribution.
How can I request a sample or quote for (S)-Boc-2-methyl-β-Phe-OH?
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To request a sample or obtain a quote for (S)-Boc-2-methyl-β-Phe-OH, please contact our sales team through the website or direct inquiry channels.
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