Dl-methionine product name: dl-methionine synonyms: dl-2-amino-4-(methylthio)butyric acid; dl-methoionine; (+-)-2-amino-4-(methylthio)butyric acid; h-dl-met-oh molecular formula: c5h11no2s molecular weight: 149.21 cas registry number: 59-51-8 einecs: 200-432-1 packing:25kgdrumassay:98% price:$4.7kg.