ERV59: Edaravone Impurity 9

2-(3-Methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-2-sulfonic acid ;

CAS # 1323485-71-7 ;

C13H16N2O4S ;
Mol. Wt.: 296.34 ;