methionine Hmet 2-amino-4-(methylsulfanyl)butanoic acid UM-BBD_compID:c0094 KEGG:D04983 CHEBI:6829 Wikipedia:Methionine metionina 149.21238 chebi_ontology Methionin 2-amino-4-(methylthio)butanoic acid CHEBI:16811 A sulfur-containing amino acid that is butyric acid bearing an amino substituent at position 2 and a methylthio substituent at position 4. Reaxys:636185 Beilstein:636185 KEGG:C01733 Racemethionine CHEBI:14590 PMID:16702333 InChI=1S/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8) PMID:2543976 C5H11NO2S CHEBI:25229 alpha-amino-gamma-methylmercaptobutyric acid PMID:22264337 2-Amino-4-(methylthio)butyric acid M CAS:59-51-8 CSCCC(N)C(O)=O DL-Methionine FFEARJCKVFRZRR-UHFFFAOYSA-N Gmelin:3117 methionine Methionine 149.05105 Met 0 organosulfur compound organonitrogen compound polyatomic entity