Lapatinib Price Not Available Lapatinib Supplier Page Trivial name Lapatinib Catalog Number A0860 Research Area pharmaceutical Molecular Formula C₂₉H₂₆ClFN₄O₄S CAS# 231277-92-2 Purity 98% SMILES O=S(CCNCC1=CC=C(C2=CC3=C(NC4=CC=C(OCC5=CC=CC(F)=C5)C(Cl)=C4)N=CN=C3C=C2)O1)(C)=O Supplier Page http://www.rosewellchem.com/3649-cas-231277-92-2.html