afatinib and its Impurities
afatinib is a protein kinase inhibitor, it is used for the treatment of patients with distinct types of metastatic (EGFR mutation positive) non-small cell lung carcinoma (NSCLC), developed by Boehringer Ingelheim. It is also known as Gilotrif and Giotrif. Reference standards of Afatinib API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


(S)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)formamide
(S)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)formamide
Catalogue No.:PA 28 02560
CAS :
2223677-60-7
Molecular Formula : C19H16ClFN4O3
Molecular Weight : 402.81


(S)-N-(((4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)amino)methylene)-N-methylmethanaminium
(S)-N-(((4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)amino)methylene)-N-methylmethanaminium
Catalogue No.:PA 28 02570
CAS :
NA
Molecular Formula : C21H22ClFN5O2
Molecular Weight : 430.88


1-(4-((3-Chloro-4-fluorophenyl)amino)-7-(((S)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-5-hydroxypyrrolidin-2-one
1-(4-((3-Chloro-4-fluorophenyl)amino)-7-(((S)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-5-hydroxypyrrolidin-2-one
Catalogue No.:PA 28 02580
CAS :
2223677-58-3
Molecular Formula : C22H20ClFN4O4
Molecular Weight : 458.87


(S)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-(((S)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)-3-hydroxybutanamide
(S)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-(((S)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)-3-hydroxybutanamide
Catalogue No.:PA 28 02590
CAS :
NA
Molecular Formula : C24H27ClFN5O4
Molecular Weight : 503.95


(R)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-(((S)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)-3-hydroxybutanamide
(R)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-(((S)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)-3-hydroxybutanamide
Catalogue No.:PA 28 02600
CAS :
NA
Molecular Formula : C24H27ClFN5O4
Molecular Weight : 503.95


(S,E)-N-(4-((4-Chloro-3-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide
(S,E)-N-(4-((4-Chloro-3-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide
Catalogue No.:PA 28 02610
CAS :
2475094-87-0
Molecular Formula : C24H25ClFN5O3
Molecular Weight : 485.94


(S,E)-4-(Dimethylamino)-N-(4-((4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)but-2-enamide
(S,E)-4-(Dimethylamino)-N-(4-((4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)but-2-enamide
Catalogue No.:PA 28 02620
CAS :
2413212-25-4
Molecular Formula : C24H26FN5O3
Molecular Weight : 451.49


(S,Z)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide
(S,Z)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide
Catalogue No.:PA 28 02630
CAS :
1680184-59-1
Molecular Formula : C24H25ClFN5O3
Molecular Weight : 485.94


(S,E)-N-(4-((3,4-Difluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide
(S,E)-N-(4-((3,4-Difluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide
Catalogue No.:PA 28 02660
CAS :
2223677-62-9
Molecular Formula : C24H25F2N5O3
Molecular Weight : 469.48


(S,E)-N-(4-((4-Chloro-3-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)but-2-enamide
(S,E)-N-(4-((4-Chloro-3-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)but-2-enamide
Catalogue No.:PA 28 02670
CAS :
NA
Molecular Formula : C22H20ClFN4O3
Molecular Weight : 442.87


(S,E)-N-(4-((3,4-Dichlorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide
(S,E)-N-(4-((3,4-Dichlorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide
Catalogue No.:PA 28 02680
CAS :
2223677-63-0
Molecular Formula : C24H25Cl2N5O3
Molecular Weight : 502.39


(S,E)-4-Bromo-N-(4-((3-chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)but-2-enamide
(S,E)-4-Bromo-N-(4-((3-chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)but-2-enamide
Catalogue No.:PA 28 02690
CAS :
1637254-93-3
Molecular Formula : C22H19BrClFN4O3
Molecular Weight : 521.77


(S,E)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(methylamino)but-2-enamide
(S,E)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(methylamino)but-2-enamide
Catalogue No.:PA 28 02710
CAS :
2413212-13-0
Molecular Formula : C23H23ClFN5O3
Molecular Weight : 471.91


(S,E)-4-((4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-2-yl)oxy)quinazolin-6-yl)amino)-N,N-dimethyl-4-oxobut-2-en-1-amine oxide
(S,E)-4-((4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-2-yl)oxy)quinazolin-6-yl)amino)-N,N-dimethyl-4-oxobut-2-en-1-amine oxide
Catalogue No.:PA 28 02720
CAS :
NA
Molecular Formula : C24H25ClFN5O4
Molecular Weight : 501.94


(E)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-ethoxyquinazolin-6-yl)-4-(dimethylamino)but-2-enamide
(E)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-ethoxyquinazolin-6-yl)-4-(dimethylamino)but-2-enamide
Catalogue No.:PA 28 02730
CAS :
2085843-51-0
Molecular Formula : C22H23ClFN5O2
Molecular Weight : 443.9


(E)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-methoxyquinazolin-6-yl)-4-(dimethylamino)but-2-enamide
(E)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-methoxyquinazolin-6-yl)-4-(dimethylamino)but-2-enamide
Catalogue No.:PA 28 02740
CAS :
1245555-42-3
Molecular Formula : C21H21ClFN5O2
Molecular Weight : 429.88


(S,E)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-hydroxybut-2-enamide
(S,E)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-hydroxybut-2-enamide
Catalogue No.:PA 28 02760
CAS :
2121530-37-6
Molecular Formula : C22H20ClFN4O4
Molecular Weight : 458.87


(S)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)but-3-enamide
(S)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)but-3-enamide
Catalogue No.:PA 28 02770
CAS :
2413212-17-4
Molecular Formula : C22H20ClFN4O3
Molecular Weight : 442.87


(S,E)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)but-2-enamide
(S,E)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)but-2-enamide
Catalogue No.:PA 28 02800
CAS :
2223677-64-1
Molecular Formula : C22H20ClFN4O3
Molecular Weight : 442.87


N-(4-((3-Chloro-4-fluorophenyl)amino)-7-(((S)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)-3-hydroxybutanamide
N-(4-((3-Chloro-4-fluorophenyl)amino)-7-(((S)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)-3-hydroxybutanamide
Catalogue No.:PA 28 02810
CAS :
2323570-72-3
Molecular Formula : C24H27ClFN5O4
Molecular Weight : 503.95


1-(4-((3-Chloro-4-fluorophenyl)amino)-7-(((S)-tetrahydrofuran-2-yl)oxy)quinazolin-6-yl)-5-hydroxypyrrolidin-2-one
1-(4-((3-Chloro-4-fluorophenyl)amino)-7-(((S)-tetrahydrofuran-2-yl)oxy)quinazolin-6-yl)-5-hydroxypyrrolidin-2-one
Catalogue No.:PA 28 02820
CAS :
NA
Molecular Formula : C22H20ClFN4O4
Molecular Weight : 458.87


(2E)-N-[3,4-Dihydro-4-oxo-7-[[(3S)-tetrahydro-3-furanyl]oxy]-6-quinazolinyl]-4-(dimethylamino)-2-butenamide
(2E)-N-[3,4-Dihydro-4-oxo-7-[[(3S)-tetrahydro-3-furanyl]oxy]-6-quinazolinyl]-4-(dimethylamino)-2-butenamide
Catalogue No.:PA 28 0021000
CAS :
1456696-14-2
Molecular Formula : C18H22N4O4
Molecular Weight : 358.40


(S,Z)-N-(4-((3,4-Dichlorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide
(S,Z)-N-(4-((3,4-Dichlorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide
Catalogue No.:PA 28 0021006
CAS :
NA
Molecular Formula : C24H25Cl2N5O3
Molecular Weight : 502.4


(S)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-(((R)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)-3-hydroxybutanamide
(S)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-(((R)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)-3-hydroxybutanamide
Catalogue No.:PA 28 0021008
CAS :
2413212-21-0
Molecular Formula : C24H27ClFN5O4
Molecular Weight : 503.96


(R)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-(((R)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)-3-hydroxybutanamide
(R)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-(((R)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)-3-hydroxybutanamide
Catalogue No.:PA 28 0021009
CAS :
2413212-23-2
Molecular Formula : C24H27ClFN5O4
Molecular Weight : 503.96


Diethyl (S)-(2-((4-((3-chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)amino)-2-oxoethyl)phosphonate
Diethyl (S)-(2-((4-((3-chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)amino)-2-oxoethyl)phosphonate
Catalogue No.:PA 28 0021011
CAS :
618061-76-0
Molecular Formula : C24H27ClFN4O6P
Molecular Weight : 552.92


(S,E)-N-(4-((3-Chloro-4-fluorophenyl)(nitroso)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide
(S,E)-N-(4-((3-Chloro-4-fluorophenyl)(nitroso)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide
Catalogue No.:PA 28 0021014
CAS :
NA
Molecular Formula : C24H24ClFN6O4
Molecular Weight : 514.94


(S,Z)-N-(4-((4-Chloro-3-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide
(S,Z)-N-(4-((4-Chloro-3-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide
Catalogue No.:PA 28 0021015
CAS :
NA
Molecular Formula : C24H25ClFN5O3
Molecular Weight : 485.94


1-(4-((3-Chloro-4-fluorophenyl)amino)-7-(((R)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-5-hydroxypyrrolidin-2-one
1-(4-((3-Chloro-4-fluorophenyl)amino)-7-(((R)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-5-hydroxypyrrolidin-2-one
Catalogue No.:PA 28 0021019
CAS :
2413212-19-6
Molecular Formula : C22H20ClFN4O4
Molecular Weight : 458.87


N-(4-((3-Chloro-4-fluorophenyl)amino)-7-(((S)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-3,4-bis(dimethylamino)butanamide
N-(4-((3-Chloro-4-fluorophenyl)amino)-7-(((S)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-3,4-bis(dimethylamino)butanamide
Catalogue No.:PA 28 0021021
CAS :
2414260-31-2
Molecular Formula : C26H32ClFN6O3
Molecular Weight : 531.03


(E)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-hydroxyquinazolin-6-yl)-4-(dimethylamino)but-2-enamide
(E)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-hydroxyquinazolin-6-yl)-4-(dimethylamino)but-2-enamide
Catalogue No.:PA 28 0021022
CAS :
2223677-61-8
Molecular Formula : C20H19ClFN5O2
Molecular Weight : 415.85


N1,N2-Bis(4-((3-chloro-4-fluorophenyl)amino)-7-(((S)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)oxalamide
N1,N2-Bis(4-((3-chloro-4-fluorophenyl)amino)-7-(((S)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)oxalamide
Catalogue No.:PA 28 0021023
CAS :
2223677-65-2
Molecular Formula : C38H30Cl2F2N8O6
Molecular Weight : 803.6


(S)-N1-(4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-N2,N2-dimethyloxalamide
(S)-N1-(4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-N2,N2-dimethyloxalamide
Catalogue No.:PA 28 0021024
CAS :
2223677-66-3
Molecular Formula : C22H21ClFN5O4
Molecular Weight : 473.89


3-((3-Chloro-4-fluorophenyl)amino)-N-(4-((3-chloro-4-fluorophenyl)amino)-7-methoxyquinazolin-6-yl)-4-(piperidin-1-yl)butanamide
3-((3-Chloro-4-fluorophenyl)amino)-N-(4-((3-chloro-4-fluorophenyl)amino)-7-methoxyquinazolin-6-yl)-4-(piperidin-1-yl)butanamide
Catalogue No.:PA 28 0021026
CAS :
NA
Molecular Formula : C30H30Cl2F2N6O2
Molecular Weight : 615.51


N-(4-((3-Chloro-4-Fluorophenyl)amino)-7-methoxyquinazolin-6-yl)-3-((4-((3-chloro-4-fluorophenyl)amino)-7-methoxyquinazolin-6-yl)amino)-4-(piperidin-1-yl)butanamide
N-(4-((3-Chloro-4-Fluorophenyl)amino)-7-methoxyquinazolin-6-yl)-3-((4-((3-chloro-4-fluorophenyl)amino)-7-methoxyquinazolin-6-yl)amino)-4-(piperidin-1-yl)butanamide
Catalogue No.:PA 28 0021027
CAS :
NA
Molecular Formula : C39H37Cl2F2N9O3
Molecular Weight : 788.68


(S,E)-2-((3-Chloro-4-fluorophenyl)(6-(4-(dimethylamino)but-2-enamido)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-4-yl)amino)malonic acid
(S,E)-2-((3-Chloro-4-fluorophenyl)(6-(4-(dimethylamino)but-2-enamido)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-4-yl)amino)malonic acid
Catalogue No.:PA 28 0021028
CAS :
2413212-27-6
Molecular Formula : C27H27ClFN5O7
Molecular Weight : 587.99


(R)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide
(R)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide
Catalogue No.:PA 28 0021029
CAS :
439081-17-1
Molecular Formula : C24H25ClFN5O3
Molecular Weight : 485.94


(E)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide
(E)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide
Catalogue No.:PA 28 0021030
CAS :
NA
Molecular Formula : C24H25ClFN5O3
Molecular Weight : 485.94