3,4-Difluoro-L-phenylalanine

L-3,4-二氟苯丙氨酸

Also known as: (2S)-2-amino-3-(3,4-difluorophenyl)propanoic acid, (S)-2-Amino-3-(3,4-difluorophenyl)propanoic acid, (S)-2-AMINO-3-(3,4-DIFLUORO-PHENYL)-PROPIONIC ACID, H-PHE(3,4-DIF)-OH, H-PHE(3,4-F2)-OH, H-3,4-DIFLUORO-L-PHE-OH, L-3,4-DIFLUOROPHE, L-3,4-DIFLUOROPHENYLALANINE, MFCD01075125, RARECHEM BK PT 0121, (+)-3,4-difluorophenyl alanine

3,4-Difluoro-L-phenylalanine (CAS 31105-90-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H9F2NO2 and a molecular weight of 201.170 g/mol. It is also known as (2S)-2-amino-3-(3,4-difluorophenyl)propanoic acid, (S)-2-Amino-3-(3,4-difluorophenyl)propanoic acid and (S)-2-AMINO-3-(3,4-DIFLUORO-PHENYL)-PROPIONIC ACID. Key properties include a boiling point of 311.9±42.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 142.5±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

31105-90-5

Jingsj CID

J-1993717-7

Molecular Formula

C₉H₉F₂NO₂

Chinese Name

L-3,4-二氟苯丙氨酸

Molecular Weight

201.170 g/mol

Category

Organic Acids

Last updated

8/21/2026