(R)-Boc-4-methoxy-β-Phe-OH
(R)-Boc-4-methoxy-β-Phe-OH (CAS: 500788-87-4) is a protected beta-amino acid derivative with the chemical formula C15H21NO5 and a molecular weight of 295.33 g/mol. This compound is valuable in organic synthesis and peptide chemistry. It serves as a building block for creating complex peptides and modified amino acid structures, finding utility in research and development within chemical biology and the synthesis of novel compounds.
- IUPAC
- (R)-3-(Boc-amino)-3-(4-methoxyphenyl)propionic acid,Boc-β-Tyr(Me)-OH,Boc-4-methoxy-L-β-phenylalanine,Boc-O-methyl-L-β-tyrosine
- Synonyms
- Boc-4-methoxy-L-beta-phenylalanine(R)-3-(Boc-amino)-3-(4-methoxyphenyl)propionic acidBoc-beta-Tyr(Me)-OHBoc-4-methoxy-L-beta-phenylalanineBoc-O-methyl-L-beta-tyrosine

Peptide Synthesis
Serves as a non-proteinogenic amino acid building block for the incorporation of modified residues into peptide chains, facilitating the exploration of novel peptide structures and functions.
Organic Synthesis
Utilised as a chiral intermediate in the synthesis of complex organic molecules, including pharmaceuticals and other biologically active compounds where stereochemistry is critical.
Chemical Biology Research
Employed in the development of peptidomimetics and modified peptides for studying biological pathways and developing potential therapeutic agents.
Unnatural Amino Acid Chemistry
A key reagent for the construction and study of peptides containing unnatural amino acids, expanding the structural diversity and functional properties of peptides.
| Molecular weight | 295.33 |
|---|---|
| Empirical formula | C15H21NO5 |
| 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-methoxy-β-Phe-OH used for?
+
(R)-Boc-4-methoxy-β-Phe-OH is primarily used as a protected beta-amino acid building block in peptide synthesis, organic synthesis, chemical biology research, and the study of unnatural amino acid derivatives.
What are the CAS number and formula for (R)-Boc-4-methoxy-β-Phe-OH?
+
The CAS number for (R)-Boc-4-methoxy-β-Phe-OH is 500788-87-4, and its chemical formula is C15H21NO5.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies (R)-Boc-4-methoxy-β-Phe-OH with an assay of ≥98.0% (HPLC). We do not represent this product as USP, BP, or EP grade.
How should (R)-Boc-4-methoxy-β-Phe-OH be handled?
+
Handling requires appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter, due to its classification.
Is (R)-Boc-4-methoxy-β-Phe-OH suitable for export?
+
Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including (R)-Boc-4-methoxy-β-Phe-OH.
How can I request a quote or sample?
+
Please contact our sales team through the website or by phone to request a quote or a sample of (R)-Boc-4-methoxy-β-Phe-OH.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis