Nitroso

CAS No: NA
Chemical Name:
N-(3-Chloro-4-fluorophenyl)-N-(7-methoxy-6-(3-morpholinopropoxy)quinazolin-4-yl)nitrous amide
Molecular Formula:
C22H23ClFN5O4

Impurity-8

CAS No: NA
Chemical Name:
methyl 4-methoxy-3-(3-morpholinopropoxy)benzoate
Molecular Formula:
C16H23NO5

Impurity-9

CAS No: NA
Chemical Name:
ethyl 4-methoxy-3-(3-morpholinopropoxy)benzoate
Molecular Formula:
C17H25NO5

Impurity-10

CAS No: NA
Chemical Name:
ethyl 2-amino-4-methoxy-5-(3-morpholinopropoxy)benzoate
Molecular Formula:
C17H26N2O5

Impurity-11

CAS No: NA
Chemical Name:
ethyl 4-methoxy-5-(3-morpholinopropoxy)-2-nitrobenzoate
Molecular Formula:
C17H24N2O7

Impurity-12

CAS No:  7357-67-7
Chemical Name:
4-(3-Bromopropyl)morpholine
Molecular Formula:
C7H14ClNO

Impurity-3

CAS No: 95-76-1
Chemical Name:
3,4-dichloroaniline
Molecular Formula:
C6H5Cl2N

Impurity-4

CAS No: 367-22-6
Chemical Name:
4-chloro-3-fluoroaniline
Molecular Formula:
C6H5ClFN

Impurity-5

CAS No: 350-30-1
Chemical Name:
2-Chloro-1-fluoro-4-nitrobenzene
Molecular Formula:
C6H3ClFNO2

Impurity-6

CAS No: 214472-37-4
Chemical Name:
Methyl 4-methoxy-5-(3-morpholinopropoxy)-2-nitrobenzoate
Molecular Formula:
C16H22N2O7

Impurity-7

CAS No: 214472-41-0
Chemical Name:
Methyl 2-amino-4-methoxy-5-(3-morpholinopropoxy)benzoate
Molecular Formula:
C16H24N2O5

Dichloro impurity

CAS No: NA
Chemical Name:
N-(3,4-Dichlorophenyl)-7-methoxy-6-(3-morpholinopropoxy)quinazolin-4-amine
Molecular Formula:
C22H24Cl2N4O3

Dimer

CAS No: NA
Chemical Name:
N-(3-chloro-4-fluorophenyl)-6-(3-(4-(3,4-dichlorophenylamino)-7-methoxyquinazolin-6-yloxy)propoxy)-7-methoxyquinazolin-4-amine
Molecular Formula:
C33H26Cl3FN6O

Dimer-1

CAS No: NA
Chemical Name:
6,6'-(propane-1,3-diylbis(oxy))bis(7-methoxyquinazolin-4(3H)-one)
Molecular Formula:
C21H20N4O6

Impurity-1

CAS No: 367-21-5
Chemical Name:
3-Chloro-4-fluoroaniline
Molecular Formula:
C6H5ClFN

Impurity-2

CAS No: 04-11-3863
Chemical Name:
3,4-difluoroaniline
Molecular Formula:
C6H5F2N

O-Desmorpholinopropyl Gefitinib

CAS No: 184475-71-6
Chemical Name:
4-((3-Chloro-4-fluorophenyl)amino)-7-methoxyquinazolin-6-ol
Molecular Formula:
C15H11ClFN3O2

4-Desfluoro Impurity

CAS No: NA
Chemical Name:
N-(3-Chlorophenyl)-7-methoxy-6-(3-morpholinopropoxy)quinazolin-4-amine
Molecular Formula:
C22H25ClN4O3

3-Deschloro Impurity

CAS No: 2254241-82-0
Chemical Name:
N-(4-Fluorophenyl)-7-methoxy-6-(3-morpholinopropoxy)quinazolin-4-amine
Molecular Formula:
C22H25FN4O3

Difluoro impurity

CAS No: 184475-50-1
Chemical Name:
N-(3,4-difluorophenyl)-7-methoxy-6-(3-morpholinopropoxy)quinazolin-4-amine
Molecular Formula:
C22H24F2N4O3

EP-B

CAS No: 1603814-04-5
Chemical Name:
N-(4-Chloro-3-fluorophenyl)-7-methoxy-6-(3-morpholinopropoxy)quinazolin-4-amine
Molecular Formula:
C22H24ClFN4O3

Chloro impurity

CAS No: 1383952-42-8
Chemical Name:
4-(3-((4-Chloro-7-methoxyquinazolin-6-yl)oxy)propyl)morpholine hydrochloride
Molecular Formula:
C16H20ClN3O3

N-(3-Morpholinopropyl) Gefitinib

CAS No: 1502829-45-9 
Chemical Name:
N-(3-Chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholinopropoxy)-N-(3-morpholinopropyl)quinazolin-4-amine
Molecular Formula:
C29H37ClFN5O4

N-Oxide

CAS No: 847949-51-3
Chemical Name:
4-(3-((4-((3-Chloro-4-fluorophenyl)amino)-7-methoxyquinazolin-6-yl)oxy)propyl)morpholine 4-oxide
Molecular Formula:
C22H24ClFN4O4

EP-A

CAS No: 199327-61-2
Chemical Name:
7-Methoxy-6-[3-(morpholin-4-yl)propoxy]quinazolin-4(3H)-one
Molecular Formula:
C16H21N3O4

Reference standared

CAS No: 184475-35-2
Chemical Name:
N-(3-Chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholinopropoxy)quinazolin-4-amine
Molecular Formula:
C22H24ClFN4O3