Afatinib; BIBW2992 Price Not Available Afatinib; BIBW2992 Supplier Page Trivial name Afatinib; BIBW2992 Catalog Number A0148 Research Area pharmaceutical Molecular Formula C₂₄H₂₅ClFN₅O₃ CAS# 439081-18-2;850140-72-6 Purity 98% SMILES O=C(NC1=CC2=C(NC3=CC=C(F)C(Cl)=C3)N=CN=C2C=C1O[C@@H]4COCC4)/C=C/CN(C)C Supplier Page http://www.rosewellchem.com/1063-cas-439081-18-2.html