MK-4305 (Suvorexant) Price Not Available MK-4305 (Suvorexant) Supplier Page Trivial name MK-4305 (Suvorexant) Catalog Number A0545 Research Area pharmaceutical Molecular Formula C23H23ClN6O2 CAS# 1030377-33-3 Purity 98% SMILES O=C(N1CCN(C2=NC3=CC(Cl)=CC=C3O2)CC[C@H]1C)C4=CC(C)=CC=C4N5N=CC=N5 Supplier Page http://www.rosewellchem.com/3335-cas-1030377-33-3.html