Specification :

ELT01: Erlotinib [ CAS # 183321-74-6]

ELT02: Erlotinib HCl [ CAS # 183319-69-9; 183321-84-8]

ELT03: Erlotinib Desmethyl Metabolite ( " Major Metabolite-M14" ; " OSI-420" )

ELT04: Erlotinib Desmethyl Metabolite Isomer ( " Minor Metabolite-M13" )

ELT05: Erlotinib Didesmethyl Metabolite ( " Minor Metabolite-M12" ) [ CAS # 183320-12-9]

ELT06: Erlotinib Carboxylic Acid ( " Minor Metabolite-M6" )

ELT07: Erlotinib Hydroxy Metabolite ( " Minor Metabolite-M16" )

ELT08: Erlotinib Lactam Impurity

6, 7-bis-( 2-Methoxyethoxy) -quinazolin-4( 3H) -one [ CAS # 179688-29-0]

ELT09: Erlotinib Chloro Impurity

4-Chloro-6, 7-( 2-methoxyethoxy) -quinazoline [ CAS # 183322-18-1]