FDZ50H: Fenbendazole Hydrazine Impurity

1-(5-(Phenylthio)-1H-benzo[d]imidazol-2-yl)hydrazine hydrochloride ;

CAS # 1448346-29-9 (HCl) ; 53065-28-4 (base) ;

C13H13ClN4S ;
Mol. Wt.: 292.79 ;