(S)-Boc-4-methyl-β-Phe-OH
(S)-Boc-4-methyl-β-Phe-OH (CAS 479064-96-5) is a protected unnatural beta-amino acid derivative with the empirical formula C15H21NO4 and a molecular weight of 279.33 g/mol. It is primarily utilised in chemical synthesis and peptide chemistry as a building block. This compound is a valuable tool in the development of novel peptides and peptidomimetics, contributing to advancements in chemical biology.
- IUPAC
- (S)-3-(Boc-amino)-3-(4-methylphenyl)propionic acid,Boc-4-methyl-D-β-phenylalanine

Peptide Synthesis
Serves as a non-proteinogenic amino acid building block for the incorporation of modified structures into peptide chains, enabling the creation of novel peptidomimetics with altered biological activities or stability.
Chemical Biology Research
Used as a synthetic intermediate in the design and synthesis of complex molecules for investigating biological pathways and protein functions, particularly where unnatural amino acids are required.
Organic Synthesis Intermediate
Acts as a chiral synthon in multi-step organic synthesis pathways, allowing for the introduction of a protected beta-amino acid moiety with a specific stereochemistry.
| 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-4-methyl-β-Phe-OH primarily used for?
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This compound is primarily used as a building block in chemical synthesis and peptide chemistry for creating novel peptides and peptidomimetics.
What is the CAS number and formula for (S)-Boc-4-methyl-β-Phe-OH?
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The CAS number is 479064-96-5 and the empirical formula is C15H21NO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (S)-Boc-4-methyl-β-Phe-OH with an assay of ≥98.0% (HPLC). This product is not represented as USP, BP, EP, or other pharmacopoeial grades.
How should (S)-Boc-4-methyl-β-Phe-OH be handled safely?
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Handling requires appropriate personal protective equipment including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The compound has a WGK Germany rating of 3, indicating a high hazard to water.
How is this chemical packed and shipped by TSS?
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Tech Serve Solutions packs and ships this chemical with appropriate care for global export, adhering to all necessary regulations for chemical transport.
How can I request a sample or quote for (S)-Boc-4-methyl-β-Phe-OH?
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To request a sample or a quote, please contact our sales team through the website or direct inquiry channels.
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