Skip to content
Product Line: Food Industry

L-Phenylalanine

CAS 63-91-2

Molecular structure of L-Phenylalanine

CAS · 63-91-2

01

Product Overview

L-Phenylalanine is a high-purity food-additives supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

02

Product Specifications

Grade FCCVI
Description White crystals or crystalline powder
Identification test Pass
Assay 98.5% – 101.5%
pH 5.4 – 6.0
Specific rotation [α]D20 -33.2° – -35.2°
Heavy metals 10 ppm max
Lead 5 ppm max
Loss on drying 0.30% max
Residue on ignition 0.10% max
03

Applications

L-Phenylalanine is an essential aromatic amino acid widely used in pharmaceuticals, nutraceuticals, food, and research. In the pharmaceutical industry, it serves as a precursor for the synthesis of bioactive compounds, neurotransmitters, and therapeutic agents, including catecholamines such as dopamine, norepinephrine, and epinephrine. In the nutraceutical and dietary supplement sectors, L-Phenylalanine is incorporated to support cognitive function, mood regulation, and protein nutrition. In food and beverage applications, it is a key ingredient in the production of the artificial sweetener aspartame. Additionally, L-Phenylalanine is used in biochemical and clinical research to study amino acid metabolism, enzymatic pathways, and protein synthesis.

04

Benefits

L-Phenylalanine offers significant advantages due to its biological relevance, stability, and versatility. As an essential amino acid, it is vital for protein synthesis and the production of neurotransmitters, supporting mental alertness, mood balance, and overall physiological function. The compound is chemically stable, water-soluble, and compatible with various formulations, including capsules, tablets, powders, and beverages. It provides a natural and safe source of phenylalanine for nutritional supplementation, metabolic studies, and functional food applications. Additionally, its well-defined stereochemistry ensures efficacy and reproducibility in both research and commercial applications.

05

Conclusion

L-Phenylalanine is a critical amino acid with broad applications in pharmaceuticals, nutrition, food, and biochemical research. Its benefits, including neurotransmitter support, protein synthesis, metabolic relevance, and formulation versatility, make it an indispensable component in health, wellness, and scientific studies. Continued use of L-Phenylalanine supports cognitive health, metabolic research, and the development of functional foods and supplements.

Previous

Acesulfame丨CAS 33665-90-6

Next

Sodium Carboxymethyl Cellulose丨CAS 9004-32-4