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4-Nitro-L-Phenylalanine CASNO:949-99-5
Physical properties:
CAS Number: 949-99-5
Appearance: White to light yellow powder or crystals
Molecular Formula: C9H10N2O4
Molecular Weight: 210.19 g/mol
Melting Point: 236-2390C (decomposes)
Density: 1.408 g/cm3
Boiling Point: 414.1 (predicted)
Optical Rotation: +50 to +70
Solubility: Sparingly soluble in water
Flash Point: 204.20C
Specific Gravity: 1.4
Synonyms:
4-Nitro-L-phenylalanine
L-4-Nitrophenylalanine
P-Nitrophenylalanine
2-Amino-3-(4-nitrophenyl)propanoic acid
H-Phe(4-NO2)-OH
(2S)-2-amino-3-(4-nitrophenyl)propanoic acid
4-Nitro(L)phenylalanine
MDL Number: MFCD00051221
PubChem CID: 13706
4-Nitro-L-phenylalanine (CAS 949-99-5) is a non-proteinogenic amino acid used primarily as a research building block in protein engineering, drug development, and chemical synthesis. It is key for incorporating unnatural amino acids into proteins, studying enzyme mechanisms, and developing potential therapeutic agents, including tumor immunotherapy.
Key Applications:
Protein Engineering & Genetic Code Expansion: Used to modify protein structure and function by introducing unnatural amino acids via in vitro translation.
Drug Discovery & Medicinal Chemistry: Acts as an intermediate for synthesizing novel pharmaceuticals, specifically targeting enzymes or receptors. It has shown potential in antiviral and anti-inflammatory research, as well as inhibiting human leukemia cell growth.
Biochemical Assays: Employed as a reagent for measuring enzyme activity and studying neurotransmission.
Material Science: Incorporated into polymer matrices for specialized coatings and adhesives.
Vaccine Development: Utilized in creating NitraTh epitope-based neoantigen vaccines for immunotherapy.
FAQs
The CAS number of 4-Nitro-L-Phenylalanine is 949-99-5.





