CAS: 1391054-56-0 Molecular Formula: C5 H9 N5 O3 S2 Molecular Weight (g/mol): 251.29 Synonym: 2-[(4,6-Diamino-1,3,5-triazin-2-yl)thio]ethanesulfonic Acid,2-(4,6-Diamino-1,3,5-triazin-2-yl)sulfanylethanesulfonic Acid,Mesna Imp. E (EP) IUPAC Name: 2-[(4,6-diamino-1,3,5-triazin-2-yl)sulfanyl]ethanesulfonic acid SMILES: Nc1nc(N)nc(SCCS(=O)(=O)O)n1