Gefitinib Impurities

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Impurity structure Parent Drug Name Name of Impurity Catalogue No. CAS No.
Gefitinib 3-Deschloro 3,4-Difluoro Impurity Gefitinib

Gefitinib 3-Deschloro 3,4-Difluoro Impurity

VE0017750 184475-50-1
Gefitinib 3,4-Difluoro Impurity (2HCl Salt) Gefitinib

Gefitinib 3,4-Difluoro Impurity (2HCl Salt)

VE0018170 N/A
Gefitinib 4-Desfluoro Impurity (HCl Salt) Gefitinib

Gefitinib 4-Desfluoro Impurity (HCl Salt)

VE0018172 N/A
Gefitinib EP Impurity B Gefitinib

Gefitinib EP Impurity B

VE008983 1603814-04-5
Gefitinib Impurity 1 Gefitinib

Gefitinib Impurity 1

VE0018168 246512-44-7
Gefitinib Impurity 10 Gefitinib

Gefitinib Impurity 10

VL4010005 230955-75-6
Gefitinib Impurity 11 (2HCl Salt) Gefitinib

Gefitinib Impurity 11 (2HCl Salt)

VE0018176 N/A
Gefitinib Impurity 12 Gefitinib

Gefitinib Impurity 12

VL4010007 184475-71-6
Gefitinib Impurity 13 Gefitinib

Gefitinib Impurity 13

VE0018178 2254241-82-0
Gefitinib Impurity 15 Gefitinib

Gefitinib Impurity 15

VE0017957 1608115-59-8
Gefitinib Impurity 2 Gefitinib

Gefitinib Impurity 2

VL4010006 675126-26-8
Gefitinib Impurity 23 Gefitinib

Gefitinib Impurity 23

VE0018182 N/A
Gefitinib Impurity 30 Gefitinib

Gefitinib Impurity 30

VE0018192 N/A
Gefitinib Impurity 4 Gefitinib

Gefitinib Impurity 4

VL4010004 179688-52-9
Gefitinib Impurity 50 Gefitinib

Gefitinib Impurity 50

VE0018193 692059-41-9
Gefitinib Impurity 51 Gefitinib

Gefitinib Impurity 51

VE0018194 912556-91-3
Gefitinib Impurity 52 Gefitinib

Gefitinib Impurity 52

VE0018196 847949-54-6
Gefitinib Impurity 53 Gefitinib

Gefitinib Impurity 53

VE0018198 N/A
Gefitinib Impurity 57 (HCl Salt) Gefitinib

Gefitinib Impurity 57 (HCl Salt)

VE0018201 N/A
Gefitinib Impurity 60 Gefitinib

Gefitinib Impurity 60

VE0018166 179688-53-0
Gefitinib Impurity 7 Gefitinib

Gefitinib Impurity 7

VE0018173 N/A
Gefitinib Impurity III Gefitinib

Gefitinib Impurity III

VL4010001 95-76-1
Gefitinib Impurity V Gefitinib

Gefitinib Impurity V

VL4010002 367-21-5
Gefitinib impurity VI Gefitinib

Gefitinib impurity VI

VL4010003 7357-67-7
Gefitinib Impurity VIII Gefitinib

Gefitinib Impurity VIII

VE0017977 788136-89-0
Gefitinib Morpholinopropyl Impurity Gefitinib

Gefitinib Morpholinopropyl Impurity

VE0017901 1502829-45-9
Gefitinib N-Oxide Gefitinib

Gefitinib N-Oxide

VE0012000 847949-51-3
Gefitinib-D6 Gefitinib

Gefitinib-D6

DVE001105 1228664-49-0
N-Nitroso Gefitinib Gefitinib

N-Nitroso Gefitinib

VE0015658 N/A
O-Desmethyl Gefitinib Gefitinib

O-Desmethyl Gefitinib

VE0018158 847949-49-9
O-Desmethyl Gefitinib-D6 Gefitinib

O-Desmethyl Gefitinib-D6

DVE001106 N/A
O-Desmorpholinopropyl-O-methyl Gefitinib Gefitinib

O-Desmorpholinopropyl-O-methyl Gefitinib

VE0018200 153437-78-6
3-(3-Chloro-4-fluorophenyl)-7-methoxy-4-oxo-3,4-dihydroquinazolin-6-yl acetate Gefitinib

3-(3-Chloro-4-fluorophenyl)-7-methoxy-4-oxo-3,4-dihydroquinazolin-6-yl acetate

VE0018175 2512211-98-0
3-Desmorpholinyl-3-Hydroxyethylamino Gefitinib Gefitinib

3-Desmorpholinyl-3-Hydroxyethylamino Gefitinib

VE0018159 847949-56-8
3-Hydroxy-4-methoxybenzonitrile Gefitinib / Apremilast

3-Hydroxy-4-methoxybenzonitrile

VE0018167 52805-46-6
4-(3-((4-Chloro-7-methoxyquinazolin-6-yl]oxy]propyl)morpholine Gefitinib

4-(3-((4-Chloro-7-methoxyquinazolin-6-yl]oxy]propyl)morpholine

VE0012004 199327-59-8
4-Defluoro-4-Hydroxy Gefitinib Gefitinib

4-Defluoro-4-Hydroxy Gefitinib

VE0018160 847949-50-2
6,7-Dimethoxyquinazoline-4-one Gefitinib

6,7-Dimethoxyquinazoline-4-one

VL4010008 13794-72-4