α-Methyl-L-phenylalanine
α-Methyl-L-phenylalanine (CAS: 23239-35-2, C10H13NO2, MW: 179.22) is a non-proteinogenic amino acid derivative. It finds utility in chemical biology and synthesis, particularly within peptide chemistry. As a phenylalanine derivative, it serves as a valuable building block for creating modified peptides and exploring novel biochemical pathways. This compound is supplied by Tech Serve Solutions for research and development purposes.
- IUPAC
- α-Me-Phe-OH,(S)-(−)-2-Amino-2-methyl-3-phenylpropionic acid

Chemical Synthesis
Utilised as a specialised building block in organic synthesis, enabling the construction of complex molecules. Its structure allows for the introduction of a methylated phenylalanine moiety into various chemical structures.
Peptide Chemistry
Serves as an unnatural amino acid for incorporation into synthetic peptides. This modification can alter peptide conformation, stability, and biological activity, aiding in the development of novel peptide-based therapeutics or research tools.
Chemical Biology
A valuable tool for researchers investigating protein structure-function relationships and enzyme mechanisms. Its incorporation into peptides can probe the effects of steric hindrance or altered hydrophobicity at specific positions.
| Molecular weight | 179.22 |
|---|---|
| Empirical formula | C10H13NO2 |
| Assay | ≥97.0% (HPLC)≥97.5% (HPLC) |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 α-Methyl-L-phenylalanine used for?
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α-Methyl-L-phenylalanine is primarily used as a building block in chemical synthesis, peptide chemistry, and chemical biology. It serves as an unnatural amino acid for creating modified peptides and exploring biochemical pathways.
What is the CAS number and formula for α-Methyl-L-phenylalanine?
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The CAS number is 23239-35-2 and the empirical formula is C10H13NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies α-Methyl-L-phenylalanine with an assay of ≥97.0% (HPLC) or ≥97.5% (HPLC). This product is supplied for research and development purposes and is not represented as USP, BP, EP, or other pharmacopoeial grades.
How should α-Methyl-L-phenylalanine be handled safely?
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α-Methyl-L-phenylalanine is classified as harmful if swallowed (H302). When handling, it is recommended to wear a dust mask type N95 (US), eyeshields, and gloves. Avoid ingestion and dust formation.
Is α-Methyl-L-phenylalanine a controlled substance?
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The provided data does not indicate that α-Methyl-L-phenylalanine (CAS: 23239-35-2) is a controlled substance.
How is α-Methyl-L-phenylalanine packed and shipped?
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Tech Serve Solutions ensures appropriate packaging for the safe transport of chemicals and exports globally. Specific packaging details can be provided upon request.
How can I request a quote or sample for α-Methyl-L-phenylalanine?
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To request a quote or sample for α-Methyl-L-phenylalanine, please contact our sales department through the website or by phone.
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