Afatinib Impurity B with CAS No: 314771-76-1 is an impurity standard of Afatinib. Afatinib, a second-generation tyrosine kinase inhibitor, is employed in the treatment of non-small cell lung cancer (NSCLC). As an irreversible inhibitor of the epidermal growth factor receptor (EGFR) family, it hinders cancer cell growth by blocking critical signaling pathways. Specifically prescribed for patients with certain EGFR mutations, afatinib has shown efficacy in enhancing progression-free survival. Buy high quality Afatinib Impurity B from Molsyns Research. Molsyns Research is one of the leading manufacturer and exporter of Afatinib Impurity B