Pharmaceutical Reference Standards / Impurity Standards

Gefitinib
4-Chloro-6-(3-chloropropoxy)-7-methoxyquinazoline
Gefitinib Impurity 28
3-Chloro-4-fluoroaniline
O-Desmethyl Gefitinib
6,7-Dimethoxy-3,4-dihydroquinazoline-4-one
Gefitinib Impurity 4
Gefitinib Impurity VII
Gefitinib EP Impurity A
Gefitinib Impurity 1
Gefitinib impurity 2
Gefitinib Impurity DY
Gefitinib EP Impurity B
Gefitinib N-Oxide
Gefitinib Impurity TE
Gefitinib Impurity 9
Gefitinib 3,4-Difluoro Impurity Hydrochloride
Gefitinib Impurity 2
2-Amino-4-Methoxy-5-(3-Morpholinopropoxy)benzonitrile
4-(3-Chloro-4-fluorophenylamino)-7-methoxyquinazolin-6-yl acetate
Gefitinib Chloro Impurity
Gefitinib Nitroso Impurity
Methyl4-methoxy-5-(3-morpholinopropoxy)-2-nitrobenzoate
methyl 2-amino-4-methoxy-5-((3-morpholinopropoxy)methyl)benzoate
6-Acetoxy-4-(3`-chloro-4`-fluoroanilino)-7-methoxyquinazoline
Ethyl-4-methoxy-3-(3-morpholin-4-ylpropoxy)benzoate
Ethyl-4-methoxy-5-(3-morpholin-4-ylpropoxy)-2-nitrobenzoate
Ethyl-2-amino-4-methoxy-5-(3-morpholin-4-ylpropoxy)benzoate
O-Desmorpholinopropyl Gefitinib

Isotope Labelled Compounds

Gefitinib-D6
Gefitinib D8