4-Methyl-L-phenylalanine

4-甲基-L-苯丙氨酸

Also known as: (2S)-2-amino-3-(4-methylphenyl)propanoic acid, (S)-2-amino-3-p-tolyl-propionic acid, L-4-Methylphenylalanine, p-Methyl-L-phenylalanine, H-Phe(4-Me)-OH, L-4-Me-Phe-OH, 4-Methylphenylalanine, RARECHEM BK PT 0067

4-Methyl-L-phenylalanine (CAS 1991-87-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H13NO2 and a molecular weight of 179.216 g/mol. It is also known as (2S)-2-amino-3-(4-methylphenyl)propanoic acid, (S)-2-amino-3-p-tolyl-propionic acid and L-4-Methylphenylalanine. Key properties include a melting point of 271 °C(dec.), a boiling point of 323.5±30.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 149.5±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1991-87-3

Jingsj CID

J-1413480-1

Molecular Formula

C₁₀H₁₃NO₂

Chinese Name

4-甲基-L-苯丙氨酸

Molecular Weight

179.216 g/mol

Category

Organic Acids

Last updated

8/21/2026