(S)-Boc-4-methoxy-β-Phe-OH

CAS 159990-12-2C15H21NO5Chemical Synthesis

(S)-Boc-4-methoxy-β-Phe-OH (CAS: 159990-12-2), a derivative of phenylalanine with the empirical formula C15H21NO5 and a molecular weight of 295.33 g/mol, is a protected unnatural amino acid. It serves as a valuable building block in chemical synthesis and peptide chemistry. Its structure, featuring a Boc-protected amine and a methoxy group on the phenyl ring, facilitates controlled incorporation into complex molecules, particularly in research settings.

IUPAC: (S)-3-(Boc-amino)-3-(4-methoxyphenyl)propionic acid,Boc-4-methoxy-D-β-phenylalanine,Boc-O-methyl-D-β-tyrosine,Boc-D-β-Tyr(Me)-OH

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(S)-Boc-4-methoxy-β-Phe-OH (C15H21NO5) — chemical structure, CAS 159990-12-2; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical BiologyChemical SynthesisPeptide ChemistryPhenylalanine Derivatives

01 /Applications

Peptide Synthesis

This Boc-protected phenylalanine derivative is employed in solid-phase and solution-phase peptide synthesis. It allows for the controlled introduction of unnatural amino acid residues into peptide sequences.

Chemical Biology Research

Used as a building block in chemical biology to create modified peptides or peptidomimetics with unique structural or functional properties. Its unnatural structure can probe biological interactions.

Organic Synthesis

Serves as a chiral intermediate in the synthesis of complex organic molecules and pharmaceutical candidates. The Boc protecting group and the methoxy-substituted phenyl ring offer specific synthetic handles.

02 /Properties

Molecular weight	295.33
Empirical formula	C15H21NO5
Assay	≥98.0% (HPLC)

03 /Safety & handling

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.

04 /Identifiers & registry

CAS number

159990-12-2

MDL number

MFCD03427900

05 /Quality & supply

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.

06 /Frequently asked questions

What is (S)-Boc-4-methoxy-β-Phe-OH used for?

(S)-Boc-4-methoxy-β-Phe-OH is primarily used as a protected unnatural amino acid building block in chemical synthesis, particularly for peptide chemistry and chemical biology research.

What is the CAS number and formula for (S)-Boc-4-methoxy-β-Phe-OH?

The CAS number is 159990-12-2, and the empirical formula is C15H21NO5.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies (S)-Boc-4-methoxy-β-Phe-OH with an assay of ≥98.0% (HPLC). This product is supplied for research and laboratory use and is not represented as USP, BP, EP, or any other pharmacopoeia grade.

What are the safety and handling recommendations for (S)-Boc-4-methoxy-β-Phe-OH?

According to WGK Germany, this compound is rated 3. Recommended personal protective equipment includes eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used.

How is (S)-Boc-4-methoxy-β-Phe-OH packed, shipped, and exported?

As a global supplier, Tech Serve Solutions professionally packs, ships, and exports chemicals worldwide, adhering to all necessary regulations for safe and compliant international transit.

How can I request a quote or sample of (S)-Boc-4-methoxy-β-Phe-OH?

To request a quote or a sample, please contact our sales team through the website or via email, providing your specific requirements and shipping details.