CAS Number: 50-65-7
Chemical Name: Niclosamide
Molecular Formula: C13H8Cl2N2O4
Molecular Weight: 327.12

CAS Number: 1325559-12-3
Chemical Name: Niclosamide 13C6-Hydrate
Molecular Formula: C713C6H10Cl2N2O5
Molecular Weight: 351.09