The chemical Safinamide Mesylate has a designated molecular formula of C18H23FN2O5S and a molecular weight of 398.449 g/mol. Synonyms may include: Safinamide mesylate, PNU 151774E, PNU-151774E, NW 1015, (S)-( )-2-(4-(3-Fluorobenzyloxy) benzylamino)propanamide, methanesulfonate, Safinamide mesilate, FCE-28073, UNII-YS90V3DTX0 (ChemID).