VR23 Price Not Available VR23 Supplier Page Trivial name VR23 Catalog Number A0845 Research Area pharmaceutical Molecular Formula C₁₉H₁₆ClN₅O₆S CAS# 1624602-30-7 Purity 98% SMILES O=S(N1CCN(C2=CC=NC3=CC(Cl)=CC=C23)CC1)(C4=CC=C([N+]([O-])=O)C=C4[N+]([O-])=O)=O Supplier Page http://www.rosewellchem.com/3634-cas-1624602-30-7.html