DL-β-Phenylalanine
DL-β-Phenylalanine (CAS: 614-19-7) is a non-proteinogenic amino acid with the molecular formula C6H5CH(NH2)CH2CO2H and a molecular weight of 165.19 g/mol. As an unnatural amino acid derivative, it serves as a valuable building block in peptide chemistry and organic synthesis. Its beta-amino acid structure makes it a key intermediate for specialised chemical applications and research in chemical biology.
- IUPAC
- β-Aminohydrocinnamic acid,±-3-Amino-3-phenylpropionic acid,DL-β-Homophenylglycine,DL-3-Amino-3-phenylpropionic acid
- Synonyms
- β-Aminohydrocinnamic acid±-3-Amino-3-phenylpropionic acidDL-β-HomophenylglycineDL-3-Amino-3-phenylpropionic acid

Peptide Synthesis
DL-β-Phenylalanine is incorporated into peptides to modify their structure, stability, and biological activity. It serves as a non-natural building block in creating peptidomimetics and novel peptide-based therapeutics.
Chemical Synthesis Intermediate
This compound acts as a precursor in the synthesis of more complex organic molecules. Its unique structure allows for diverse chemical transformations in the development of new chemical entities.
Chemical Biology Research
Utilised in research to probe biological pathways and protein interactions. Its unnatural structure can be employed to study enzyme mechanisms or to develop molecular probes.
| Molecular weight | 165.19 |
|---|---|
| Linear formula | C6H5CH(NH2)CH2CO2H |
| Assay | 98% |
| Melting point | 222 °C (dec.)(lit.) |
| 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 DL-β-Phenylalanine used for?
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DL-β-Phenylalanine is primarily used as a building block in peptide synthesis, as an intermediate in chemical synthesis, and in chemical biology research due to its unnatural amino acid structure.
What is the CAS number and molecular formula for DL-β-Phenylalanine?
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The CAS number is 614-19-7 and the molecular formula is C6H5CH(NH2)CH2CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies DL-β-Phenylalanine with an assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated otherwise in the product documentation.
How should DL-β-Phenylalanine be handled safely?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A respirator filter of type N95 (US) or P1 (EN143) is recommended. Refer to the Safety Data Sheet (SDS) for full details.
Is DL-β-Phenylalanine a controlled substance?
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The provided data does not indicate that DL-β-Phenylalanine (CAS: 614-19-7) is a controlled substance.
How is DL-β-Phenylalanine shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, and DL-β-Phenylalanine is available for international shipment. Specific packaging and shipping details are available upon request.
How can I request a quote or sample for DL-β-Phenylalanine?
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To request a quote or sample, please contact our sales team through the website or by phone, referencing the product name and CAS number (614-19-7).
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