|Molar Mass||149.21 g/mol|
|Melting Point||281 °C|
|Classification||Amino Acid, Essential Amino Acid|
Methionine is asulfur-containing amino acid that is butyric acid bearing an amino substituentat position 2 and a methylthio substituent at position 4. DL-Methionine is anamino acid that has a role in the defence of oxidative stress.