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Pharmaceutical Reference Standards

Gefitinib

Picture of Gefitinib
CAT No: SZ-G018001
CAS No: 184475-35-2
Mol.F. : C22H24ClFN4O3
Mol.Wt. : 446.9
Inv. Status: In Stock
SZ-G018001
CAS No:184475-35-2
Mol.F.: C22H24ClFN4O3 
Mol.Wt.: 446.9
Inv. Status: In Stock

Gefitinib EP Impurity A

Picture of Gefitinib EP Impurity A
CAT No: SZ-G018002
CAS No: 199327-61-2
Mol.F. : C16H21N3O4
Mol.Wt. : 319.4
Inv. Status: In Stock
SZ-G018002
CAS No:199327-61-2
Mol.F.: C16H21N3O4
Mol.Wt.: 319.4
Inv. Status: In Stock

Gefitinib EP Impurity B

Picture of Gefitinib EP Impurity B
CAT No: SZ-G018003
CAS No: 1603814-04-5
Mol.F. : C22H24ClFN4O3 : HCl
Mol.Wt. : 446.9 : 36.5
Inv. Status: In Stock
SZ-G018003
CAS No:1603814-04-5
Mol.F.: C22H24ClFN4O3 : HCl 
Mol.Wt.: 446.9 : 36.5
Inv. Status: In Stock

Gefitinib N-Oxide

Picture of Gefitinib N-Oxide
CAT No: SZ-G018004
CAS No: 847949-51-3
Mol.F. : C22H24ClFN4O4
Mol.Wt. : 462.9
Inv. Status: In Stock
SZ-G018004
CAS No:847949-51-3
Mol.F.: C22H24ClFN4O4
Mol.Wt.: 462.9
Inv. Status: In Stock

Gefitinib 3,4-Difluoro Impurity HCl

Picture of Gefitinib 3,4-Difluoro Impurity HCl
CAT No: SZ-G018005
CAS No: 184475-68-1
Mol.F. : C22H24F2N4O3 : HCl
Mol.Wt. : 430.5 : 36.5
Inv. Status: Custom Synthesis
SZ-G018005
CAS No:184475-68-1
Mol.F.: C22H24F2N4O3 : HCl
Mol.Wt.: 430.5 : 36.5
Inv. Status: Custom Synthesis

Gefitinib 4-Desfluoro Impurity HCl

Picture of Gefitinib 4-Desfluoro Impurity HCl
CAT No: SZ-G018006
CAS No: NA
Mol.F. : C22H25ClN4O3 : HCl
Mol.Wt. : 428.9 : 36.5
Inv. Status: Custom Synthesis
SZ-G018006
CAS No:NA
Mol.F.: C22H25ClN4O3 : HCl 
Mol.Wt.: 428.9 : 36.5
Inv. Status: Custom Synthesis

O-Desmethyl Gefitinib

Picture of O-Desmethyl Gefitinib
CAT No: SZ-G018007
CAS No: 847949-49-9
Mol.F. : C21H22ClFN4O3
Mol.Wt. : 432.9
Inv. Status: In Stock
SZ-G018007
CAS No:847949-49-9
Mol.F.: C21H22ClFN4O3 
Mol.Wt.: 432.9
Inv. Status: In Stock

4-Defluoro-4-Hydroxy Gefitinib

Picture of 4-Defluoro-4-Hydroxy Gefitinib
CAT No: SZ-G018009
CAS No: 847949-50-2
Mol.F. : C22H25ClN4O4
Mol.Wt. : 444.9
Inv. Status: In Stock
SZ-G018009
CAS No:847949-50-2
Mol.F.: C22H25ClN4O4 
Mol.Wt.: 444.9
Inv. Status: In Stock

Gefitinib Impurity I TriHCl

Picture of Gefitinib Impurity I TriHCl
CAT No: SZ-G018010
CAS No: NA
Mol.F. : C29H37ClFN5O4 : 3(HCl)
Mol.Wt. : 574.1 : 3(36.5)
Inv. Status: In Stock
Rel. CAS No : 1502829-45-9 (free base)
SZ-G018010
CAS No:NA
Mol.F.: C29H37ClFN5O4 : 3(HCl)
Mol.Wt.: 574.1 : 3(36.5)
Inv. Status: In Stock
Rel. CAS No : 1502829-45-9 (free base)

Gefitinib Impurity II

Picture of Gefitinib Impurity II
CAT No: SZ-G018011
CAS No: 153437-78-6
Mol.F. : C16H13ClFN3O2
Mol.Wt. : 333.8
Inv. Status: In Stock
SZ-G018011
CAS No:153437-78-6
Mol.F.: C16H13ClFN3O2 
Mol.Wt.: 333.8
Inv. Status: In Stock

Gefitinib Impurity III

Picture of Gefitinib Impurity III
CAT No: SZ-G018012
CAS No: 95-76-1
Mol.F. : C6H5Cl2N
Mol.Wt. : 162
Inv. Status: In Stock, 3-4 days for Dispatch
SZ-G018012
CAS No:95-76-1
Mol.F.: C6H5Cl2N 
Mol.Wt.: 162
Inv. Status: In Stock, 3-4 days for Dispatch

Gefitinib Impurity IV HCl

Picture of Gefitinib Impurity IV HCl
CAT No: SZ-G018013
CAS No: NA
Mol.F. : C22H24Cl2N4O3 : HCl
Mol.Wt. : 463.4 : 36.5
Inv. Status: In Stock
SZ-G018013
CAS No:NA
Mol.F.: C22H24Cl2N4O3 : HCl
Mol.Wt.: 463.4 : 36.5
Inv. Status: In Stock

Gefitinib Impurity V

Picture of Gefitinib Impurity V
CAT No: SZ-G018014
CAS No: 367-21-5
Mol.F. : C6H5ClFN
Mol.Wt. : 145.6
Inv. Status: In Stock
SZ-G018014
CAS No:367-21-5
Mol.F.: C6H5ClFN
Mol.Wt.: 145.6
Inv. Status: In Stock

Gefitinib Impurity VI

Picture of Gefitinib Impurity VI
CAT No: SZ-G018015
CAS No: 7357-67-7
Mol.F. : C7H14ClNO
Mol.Wt. : 163.7
Inv. Status: In Stock, 3-4 days for Dispatch
SZ-G018015
CAS No:7357-67-7
Mol.F.: C7H14ClNO
Mol.Wt.: 163.7
Inv. Status: In Stock, 3-4 days for Dispatch

Gefitinib Impurity VII

Picture of Gefitinib Impurity VII
CAT No: SZ-G018016
CAS No: 179688-53-0
Mol.F. : C11H10N2O4
Mol.Wt. : 234.2
Inv. Status: In Stock
SZ-G018016
CAS No:179688-53-0
Mol.F.: C11H10N2O4 
Mol.Wt.: 234.2
Inv. Status: In Stock

Gefitinib Impurity VIII

Picture of Gefitinib Impurity VIII
CAT No: SZ-G018017
CAS No: 788136-89-0
Mol.F. : C17H13ClFN3O3
Mol.Wt. : 361.8
Inv. Status: Custom Synthesis
SZ-G018017
CAS No:788136-89-0
Mol.F.: C17H13ClFN3O3 
Mol.Wt.: 361.8
Inv. Status: Custom Synthesis

Gefitinib Impurity 1

Picture of Gefitinib Impurity 1
CAT No: SZ-G018018
CAS No: 246512-44-7
Mol.F. : C15H23N3O4
Mol.Wt. : 309.4
Inv. Status: Custom Synthesis
SZ-G018018
CAS No:246512-44-7
Mol.F.: C15H23N3O4 
Mol.Wt.: 309.4
Inv. Status: Custom Synthesis

Gefitinib Impurity 2

Picture of Gefitinib Impurity 2
CAT No: SZ-G018019
CAS No: 675126-26-8
Mol.F. : C15H19N3O5
Mol.Wt. : 321.3
Inv. Status: In Stock
SZ-G018019
CAS No:675126-26-8
Mol.F.: C15H19N3O5 
Mol.Wt.: 321.3
Inv. Status: In Stock

Gefitinib Impurity 3

Picture of Gefitinib Impurity 3
CAT No: SZ-G018020
CAS No: 1640351-46-7
Mol.F. : C15H22N2O5
Mol.Wt. : 310.4
Inv. Status: In Stock
SZ-G018020
CAS No:1640351-46-7
Mol.F.: C15H22N2O5
Mol.Wt.: 310.4
Inv. Status: In Stock

Gefitinib Impurity 4

Picture of Gefitinib Impurity 4
CAT No: SZ-G018021
CAS No: 179688-52-9
Mol.F. : C9H8N2O3
Mol.Wt. : 192.2
Inv. Status: In Stock
SZ-G018021
CAS No:179688-52-9
Mol.F.: C9H8N2O3 
Mol.Wt.: 192.2
Inv. Status: In Stock

Gefitinib Impurity 5

Picture of Gefitinib Impurity 5
CAT No: SZ-G018022
CAS No: 909863-33-8
Mol.F. : C22H24ClFN4O3
Mol.Wt. : 446.9
Inv. Status: Custom Synthesis
SZ-G018022
CAS No:909863-33-8
Mol.F.: C22H24ClFN4O3
Mol.Wt.: 446.9
Inv. Status: Custom Synthesis

Gefitinib Impurity 6

Picture of Gefitinib Impurity 6
CAT No: SZ-G018023
CAS No: 2475095-79-3
Mol.F. : C16H19Cl2N3O3
Mol.Wt. : 372.3
Inv. Status: Custom Synthesis
SZ-G018023
CAS No:2475095-79-3
Mol.F.: C16H19Cl2N3O3 
Mol.Wt.: 372.3
Inv. Status: Custom Synthesis

Gefitinib Impurity 7

Picture of Gefitinib Impurity 7
CAT No: SZ-G018024
CAS No: 2475095-82-8
Mol.F. : C16H19Cl2N3O3
Mol.Wt. : 372.3
Inv. Status: Custom Synthesis
SZ-G018024
CAS No:2475095-82-8
Mol.F.: C16H19Cl2N3O3 
Mol.Wt.: 372.3
Inv. Status: Custom Synthesis

Gefitinib Impurity 8

Picture of Gefitinib Impurity 8
CAT No: SZ-G018025
CAS No: 2512211-98-0
Mol.F. : C17H12ClFN2O4
Mol.Wt. : 362.7
Inv. Status: Custom Synthesis
SZ-G018025
CAS No:2512211-98-0
Mol.F.: C17H12ClFN2O4 
Mol.Wt.: 362.7
Inv. Status: Custom Synthesis

Gefitinib Impurity 9

Picture of Gefitinib Impurity 9
CAT No: SZ-G018026
CAS No: 1608115-59-8
Mol.F. : C22H23ClFN3O4
Mol.Wt. : 447.9
Inv. Status: Custom Synthesis
SZ-G018026
CAS No:1608115-59-8
Mol.F.: C22H23ClFN3O4
Mol.Wt.: 447.9
Inv. Status: Custom Synthesis

Gefitinib Impurity 10

Picture of Gefitinib Impurity 10
CAT No: SZ-G018027
CAS No: 230955-75-6
Mol.F. : C11H9ClN2O3
Mol.Wt. : 252.7
Inv. Status: In Stock
SZ-G018027
CAS No:230955-75-6
Mol.F.: C11H9ClN2O3 
Mol.Wt.: 252.7
Inv. Status: In Stock

Gefitinib Impurity 11

Picture of Gefitinib Impurity 11
CAT No: SZ-G018028
CAS No: NA
Mol.F. : C21H20Cl3FN4O2
Mol.Wt. : 485.8
Inv. Status: Custom Synthesis
SZ-G018028
CAS No:NA
Mol.F.: C21H20Cl3FN4O2 
Mol.Wt.: 485.8
Inv. Status: Custom Synthesis

Gefitinib Impurity 12

Picture of Gefitinib Impurity 12
CAT No: SZ-G018029
CAS No: 184475-71-6
Mol.F. : C15H11ClFN3O2
Mol.Wt. : 319.7
Inv. Status: In Stock
SZ-G018029
CAS No:184475-71-6
Mol.F.: C15H11ClFN3O2 
Mol.Wt.: 319.7
Inv. Status: In Stock

Gefitinib Impurity 13

Picture of Gefitinib Impurity 13
CAT No: SZ-G018030
CAS No: 2254241-82-0
Mol.F. : C22H25FN4O3
Mol.Wt. : 412.5
Inv. Status: Custom Synthesis
SZ-G018030
CAS No:2254241-82-0
Mol.F.: C22H25FN4O3
Mol.Wt.: 412.5
Inv. Status: Custom Synthesis

Gefitinib Impurity 14

Picture of Gefitinib Impurity 14
CAT No: SZ-G018031
CAS No: 1383952-42-8
Mol.F. : C16H20ClN3O3 : HCl
Mol.Wt. : 337.8 : 36.5
Inv. Status: In Stock
SZ-G018031
CAS No:1383952-42-8
Mol.F.: C16H20ClN3O3 : HCl
Mol.Wt.: 337.8 : 36.5
Inv. Status: In Stock

3-Deschloro-3,4-Difluoro Gefitinib

Picture of 3-Deschloro-3,4-Difluoro Gefitinib
CAT No: SZ-G018032
CAS No: 184475-50-1
Mol.F. : C22H24F2N4O3
Mol.Wt. : 430.5
Inv. Status: In Stock
SZ-G018032
CAS No:184475-50-1
Mol.F.: C22H24F2N4O3
Mol.Wt.: 430.5
Inv. Status: In Stock

Gefitinib Impurity 15

Picture of Gefitinib Impurity 15
CAT No: SZ-G018033
CAS No: 95-50-1
Mol.F. : C6H4Cl2
Mol.Wt. : 147
Inv. Status: Custom Synthesis
SZ-G018033
CAS No:95-50-1
Mol.F.: C6H4Cl2
Mol.Wt.: 147
Inv. Status: Custom Synthesis

Gefitinib Impurity 16

Picture of Gefitinib Impurity 16
CAT No: SZ-G018034
CAS No: 350-30-1
Mol.F. : C6H3ClFNO2
Mol.Wt. : 175.5
Inv. Status: Custom Synthesis
SZ-G018034
CAS No:350-30-1
Mol.F.: C6H3ClFNO2
Mol.Wt.: 175.5
Inv. Status: Custom Synthesis

Gefitinib Impurity 17

Picture of Gefitinib Impurity 17
CAT No: SZ-G018035
CAS No: 2106-04-9
Mol.F. : C6H5ClFN
Mol.Wt. : 145.6
Inv. Status: Custom Synthesis
SZ-G018035
CAS No:2106-04-9
Mol.F.: C6H5ClFN
Mol.Wt.: 145.6
Inv. Status: Custom Synthesis

Gefitinib Impurity 18

Picture of Gefitinib Impurity 18
CAT No: SZ-G018036
CAS No: 3863-11-4
Mol.F. : C6H5F2N
Mol.Wt. : 129.1
Inv. Status: Custom Synthesis
SZ-G018036
CAS No:3863-11-4
Mol.F.: C6H5F2N
Mol.Wt.: 129.1
Inv. Status: Custom Synthesis

Gefitinib Impurity 19

Picture of Gefitinib Impurity 19
CAT No: SZ-G018037
CAS No: 99-54-7
Mol.F. : C6H3Cl2NO2
Mol.Wt. : 192
Inv. Status: Custom Synthesis
SZ-G018037
CAS No:99-54-7
Mol.F.: C6H3Cl2NO2
Mol.Wt.: 192
Inv. Status: Custom Synthesis

Gefitinib Impurity 20

Picture of Gefitinib Impurity 20
CAT No: SZ-G018038
CAS No: 367-22-6
Mol.F. : C6H5ClFN
Mol.Wt. : 145.6
Inv. Status: Custom Synthesis
SZ-G018038
CAS No:367-22-6
Mol.F.: C6H5ClFN
Mol.Wt.: 145.6
Inv. Status: Custom Synthesis

Gefitinib Impurity 21

Picture of Gefitinib Impurity 21
CAT No: SZ-G018039
CAS No: 621-59-0
Mol.F. : C8H8O3
Mol.Wt. : 152.1
Inv. Status: Custom Synthesis
SZ-G018039
CAS No:621-59-0
Mol.F.: C8H8O3
Mol.Wt.: 152.1
Inv. Status: Custom Synthesis

Gefitinib Impurity 22

Picture of Gefitinib Impurity 22
CAT No: SZ-G018040
CAS No: 934191-95-4
Mol.F. : C15H22N2O4
Mol.Wt. : 294.4
Inv. Status: Custom Synthesis
SZ-G018040
CAS No:934191-95-4
Mol.F.: C15H22N2O4
Mol.Wt.: 294.4
Inv. Status: Custom Synthesis

Gefitinib Impurity 23

Picture of Gefitinib Impurity 23
CAT No: SZ-G018041
CAS No: 675126-28-0
Mol.F. : C15H20N2O3
Mol.Wt. : 276.3
Inv. Status: Custom Synthesis
SZ-G018041
CAS No:675126-28-0
Mol.F.: C15H20N2O3
Mol.Wt.: 276.3
Inv. Status: Custom Synthesis

Gefitinib Impurity 24

Picture of Gefitinib Impurity 24
CAT No: SZ-G018042
CAS No: NA
Mol.F. : C15H19N3O5
Mol.Wt. : 321.3
Inv. Status: Custom Synthesis
SZ-G018042
CAS No:NA
Mol.F.: C15H19N3O5
Mol.Wt.: 321.3
Inv. Status: Custom Synthesis

Gefitinib Impurity 26

Picture of Gefitinib Impurity 26
CAT No: SZ-G018044
CAS No: 861453-11-4
Mol.F. : C15H21NO4
Mol.Wt. : 279.3
Inv. Status: Custom Synthesis
SZ-G018044
CAS No:861453-11-4
Mol.F.: C15H21NO4
Mol.Wt.: 279.3
Inv. Status: Custom Synthesis

Gefitinib Impurity 27

Picture of Gefitinib Impurity 27
CAT No: SZ-G018045
CAS No: 692059-41-9
Mol.F. : C12H12Cl2N2O2
Mol.Wt. : 287.1
Inv. Status: Custom Synthesis
Rel. CAS No : 912556-90-2 (HCl salt)
SZ-G018045
CAS No:692059-41-9
Mol.F.: C12H12Cl2N2O2
Mol.Wt.: 287.1
Inv. Status: Custom Synthesis
Rel. CAS No : 912556-90-2 (HCl salt)

Gefitinib Impurity 28

Picture of Gefitinib Impurity 28
CAT No: SZ-G018046
CAS No: 912556-91-3
Mol.F. : C18H16Cl2FN3O2
Mol.Wt. : 396.2
Inv. Status: Custom Synthesis
SZ-G018046
CAS No:912556-91-3
Mol.F.: C18H16Cl2FN3O2
Mol.Wt.: 396.2
Inv. Status: Custom Synthesis

Gefitinib Impurity 29

Picture of Gefitinib Impurity 29
CAT No: SZ-G018048
CAS No: 578737-96-9
Mol.F. : C22H24ClFN4O3
Mol.Wt. : 446.9
Inv. Status: Custom Synthesis
Rel. CAS No : 944833-65-2 (HCl salt)
SZ-G018048
CAS No:578737-96-9
Mol.F.: C22H24ClFN4O3
Mol.Wt.: 446.9
Inv. Status: Custom Synthesis
Rel. CAS No : 944833-65-2 (HCl salt)

Gefitinib Impurity 30

Picture of Gefitinib Impurity 30
CAT No: SZ-G018049
CAS No: 675126-27-9
Mol.F. : C15H21N3O3
Mol.Wt. : 291.4
Inv. Status: Custom Synthesis
Rel. CAS No : 1561173-24-7 (HCl salt)
SZ-G018049
CAS No:675126-27-9
Mol.F.: C15H21N3O3
Mol.Wt.: 291.4
Inv. Status: Custom Synthesis
Rel. CAS No : 1561173-24-7 (HCl salt)

Gefitinib Impurity 31

Picture of Gefitinib Impurity 31
CAT No: SZ-G018050
CAS No: NA
Mol.F. : C16H22N2O7
Mol.Wt. : 354.4
Inv. Status: Custom Synthesis
SZ-G018050
CAS No:NA
Mol.F.: C16H22N2O7
Mol.Wt.: 354.4
Inv. Status: Custom Synthesis

Gefitinib Impurity 32

Picture of Gefitinib Impurity 32
CAT No: SZ-G018051
CAS No: 214472-41-0
Mol.F. : C16H24N2O5
Mol.Wt. : 324.4
Inv. Status: Custom Synthesis
SZ-G018051
CAS No:214472-41-0
Mol.F.: C16H24N2O5
Mol.Wt.: 324.4
Inv. Status: Custom Synthesis

Gefitinib Impurity 33

Picture of Gefitinib Impurity 33
CAT No: SZ-G018052
CAS No: 26791-93-5
Mol.F. : C10H11NO6
Mol.Wt. : 241.2
Inv. Status: Custom Synthesis
SZ-G018052
CAS No:26791-93-5
Mol.F.: C10H11NO6
Mol.Wt.: 241.2
Inv. Status: Custom Synthesis

Gefitinib Impurity 34

Picture of Gefitinib Impurity 34
CAT No: SZ-G018053
CAS No: 31839-20-0
Mol.F. : C8H7NO6
Mol.Wt. : 213.1
Inv. Status: Custom Synthesis
Rel. CAS No : 1024015-45-9 (potassium salt)
SZ-G018053
CAS No:31839-20-0
Mol.F.: C8H7NO6
Mol.Wt.: 213.1
Inv. Status: Custom Synthesis
Rel. CAS No : 1024015-45-9 (potassium salt)

Gefitinib Impurity 35

Picture of Gefitinib Impurity 35
CAT No: SZ-G018054
CAS No: 215659-03-3
Mol.F. : C9H9NO6
Mol.Wt. : 227.2
Inv. Status: Custom Synthesis
SZ-G018054
CAS No:215659-03-3
Mol.F.: C9H9NO6
Mol.Wt.: 227.2
Inv. Status: Custom Synthesis

Stable Isotopes And Metabolites

Gefitinib D3

Picture of Gefitinib D3
CAT No: SZ-G018D01
CAS No: 1173976-40-3
Mol.F. : C22H21D3ClFN4O3
Mol.Wt. : 449.9
Inv. Status: Custom Synthesis
SZ-G018D01
CAS No:1173976-40-3
Mol.F.: C22H21D3ClFN4O3
Mol.Wt.: 449.9
Inv. Status: Custom Synthesis

Gefitinib D8

Picture of Gefitinib D8
CAT No: SZ-G018D02
CAS No: 857091-32-8
Mol.F. : C22H1+D3:G36D8ClFN4O3
Mol.Wt. : 455
Inv. Status: Custom Synthesis
SZ-G018D02
CAS No:857091-32-8
Mol.F.: C22H1+D3:G36D8ClFN4O3
Mol.Wt.: 455
Inv. Status: Custom Synthesis

Possible Nitroso Standards

Gefitinib Nitroso Impurity

Picture of Gefitinib Nitroso Impurity
CAT No: SZ-G018047
CAS No: NA
Mol.F. : C22H23ClFN5O4
Mol.Wt. : 475.9
Inv. Status: Under Synthesis
SZ-G018047
CAS No:NA
Mol.F.: C22H23ClFN5O4
Mol.Wt.: 475.9
Inv. Status: Under Synthesis