We offer l methonine. Iupac name methionine other names 2-amino-4-(methylthio)butanoic acid identifiers cas number 59-51-8 yes 63-68-3 (l-isomer) yes 348-67-4 (d-isomer) yes properties[2] chemical formula c5h11no2s molar mass 149.21 g·mol−1 appearance white crystalline...