L-Phenylalanine
L-Phenylalanine (CAS: 63-91-2) is an essential amino acid with the molecular formula C6H5CH2CH(NH2)CO2H and a molar mass of 165.19 g/mol. As a fundamental building block for proteins, it plays a crucial role in numerous biological processes. L-Phenylalanine is widely utilised in cell culture applications, manufacturing processes, and as a key intermediate in chemical synthesis. Tech Serve Solutions supplies this high-quality reagent for diverse research and industrial needs.
- IUPAC
- (S)-2-Amino-3-phenylpropionic acid
- Synonyms
- (S)-2-Amino-3-phenylpropionic acid

Cell Culture
L-Phenylalanine is supplied in reagent grade, suitable for cell culture applications. Its suitability for manufacturing use ensures reliable performance in biopharmaceutical production and research.
Chemical Synthesis
This essential amino acid serves as a valuable intermediate in complex chemical syntheses. Its defined purity supports precise reaction outcomes in the development of novel compounds.
Biochemical Research
L-Phenylalanine is integral to studies in biochemistry and molecular biology. It is used in research involving protein structure, enzyme function, and metabolic pathways.
| Molecular weight | 165.19 |
|---|---|
| Linear formula | C6H5CH2CH(NH2)CO2H |
| Assay | ≥98% |
| Grade | reagent grade |
| Solubility | 1 M HCl: soluble50 mg/mL |
| Impurities tested | endotoxin, tested |
| Suitability | suitable for cell culturesuitable for manufacturing use |
| Melting point | 270-275 °C (dec.)(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 1 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... CA1(759), CA14(23632), CA2(760), CA4(762), CA5A(763), CA7(766) |
|---|
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 L-Phenylalanine used for?
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L-Phenylalanine is used in cell culture, manufacturing processes, and as a key intermediate in chemical synthesis and biochemical research.
What are the CAS number and chemical formula for L-Phenylalanine?
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The CAS number for L-Phenylalanine is 63-91-2 and its chemical formula is C6H5CH2CH(NH2)CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies L-Phenylalanine in reagent grade with an assay of ≥98%. It is tested for endotoxins and is suitable for cell culture and manufacturing use. We do not represent it as USP, BP, or EP grade unless explicitly stated.
How should L-Phenylalanine be handled safely?
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When handling L-Phenylalanine, it is recommended to use appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter may be necessary. The material has a WGK Germany rating of 1.
How is L-Phenylalanine packed, shipped, and exported?
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L-Phenylalanine is carefully packed to maintain its integrity during transit. Tech Serve Solutions is a specialist global supplier and exporter, ensuring compliant shipment of chemicals worldwide.
How can I request a sample or a quote for L-Phenylalanine?
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To request a sample or a quote for L-Phenylalanine, please contact our sales team via the website or by phone. We are happy to assist with your specific requirements.
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