bosutinib and its Impurities
Bosutinib is used to treat chronic myeloid leukaemia that has an abnormal chromosome called the Philadelphia chromosome. It is a synthetic quinolone derivative and dual kinase inhibitor that targets both Abl and Src kinases with potential antineoplastic activity.. Reference standards of Bosutinib API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below


4-((3,5-Dichloro-4-methoxyphenyl)amino)-6-methoxy-7-(3-(1-methylpiperidin-4-yl)propoxy)quinoline-3-carbonitrile
4-((3,5-Dichloro-4-methoxyphenyl)amino)-6-methoxy-7-(3-(1-methylpiperidin-4-yl)propoxy)quinoline-3-carbonitrile
Catalogue No.:PA 02 92510
CAS :
NA
Molecular Formula : C27H30Cl2N4O3
Molecular Weight : 529.46


4-((2,4-Dichloro-5-methoxyphenyl)amino)-6-methoxy-7-(3-(piperazin-1-yl)propoxy)quinoline-3-carbonitrile
4-((2,4-Dichloro-5-methoxyphenyl)amino)-6-methoxy-7-(3-(piperazin-1-yl)propoxy)quinoline-3-carbonitrile
Catalogue No.:PA 02 92540
CAS :
380843-81-2
Molecular Formula : C25H27Cl2N5O3
Molecular Weight : 516.42


4-((2,4-Dichloro-5-hydroxyphenyl)amino)-6-hydroxy-7-(3-(4-methylpiperazin-1-yl)propoxy)quinoline-3-carbonitrile
4-((2,4-Dichloro-5-hydroxyphenyl)amino)-6-hydroxy-7-(3-(4-methylpiperazin-1-yl)propoxy)quinoline-3-carbonitrile
Catalogue No.:PA 02 0921006
CAS :
2468737-94-0
Molecular Formula : C24H25Cl2N5O3
Molecular Weight : 502.4


2-Cyano-N-(2,4-dichloro-5-methoxy phenyl)-3-{4-methoxy-3-[3-(4-methyl piperazin-1-yl)-propoxy]- phenylamino} acrylamide
2-Cyano-N-(2,4-dichloro-5-methoxy phenyl)-3-{4-methoxy-3-[3-(4-methyl piperazin-1-yl)-propoxy]- phenylamino} acrylamide
Catalogue No.:PA 02 0921009
CAS :
846023-56-1
Molecular Formula : C26H31Cl2N5O4
Molecular Weight : 548.47


7,7'-((Piperazine-1,4-diylbis(propane-3,1-diyl))bis(oxy))bis(4-((2,4-dichloro-5-methoxyphenyl)amino)-6-methoxyquinoline-3-carbonitrile)
7,7'-((Piperazine-1,4-diylbis(propane-3,1-diyl))bis(oxy))bis(4-((2,4-dichloro-5-methoxyphenyl)amino)-6-methoxyquinoline-3-carbonitrile)
Catalogue No.:PA 02 0921011
CAS :
2095306-26-4
Molecular Formula : C46H44Cl4N8O6
Molecular Weight : 946.71


 7,7'-(Propane-1,3-diylbis(oxy))bis(4-((2,4-dichloro-5-methoxyphenyl)amino)-6-methoxyquinoline-3-carbonitrile)
7,7'-(Propane-1,3-diylbis(oxy))bis(4-((2,4-dichloro-5-methoxyphenyl)amino)-6-methoxyquinoline-3-carbonitrile)
Catalogue No.:PA 02 0921028
CAS :
2095306-27-5
Molecular Formula : C39H30Cl4N6O6
Molecular Weight : 820.51


4-((2,4-Dichloro-5-methoxyphenyl)amino)-6-methoxy-7-(3-(4-nitrosopiperazin-1-yl)propoxy)quinoline-3-carbonitrile
4-((2,4-Dichloro-5-methoxyphenyl)amino)-6-methoxy-7-(3-(4-nitrosopiperazin-1-yl)propoxy)quinoline-3-carbonitrile
Catalogue No.:PA 02 0921030
CAS :
NA
Molecular Formula : C25H26Cl2N6O4
Molecular Weight : 545.42


7-(3-Chloropropoxy)-4-((2,4-dichloro-5-hydroxyphenyl)amino)-6-methoxyquinoline-3-carbonitrile
7-(3-Chloropropoxy)-4-((2,4-dichloro-5-hydroxyphenyl)amino)-6-methoxyquinoline-3-carbonitrile
Catalogue No.:PAI 02 092001
CAS :
NA
Molecular Formula : C20H16Cl3N3O3
Molecular Weight : 452.72


tert-Butyl 4-(3-((3-cyano-4-((2,4-dichloro-5-methoxyphenyl)amino)-6-methoxyquinolin-7-yl)oxy)propyl)piperazine-1-carboxylate
tert-Butyl 4-(3-((3-cyano-4-((2,4-dichloro-5-methoxyphenyl)amino)-6-methoxyquinolin-7-yl)oxy)propyl)piperazine-1-carboxylate
Catalogue No.:PAI 02 092002
CAS :
1613270-82-8
Molecular Formula : C30H35Cl2N5O5
Molecular Weight : 616.54


4-((3-Bromopropyl)(2,4-dichloro-5-methoxyphenyl)amino)-6-methoxy-7-(3-(4-methylpiperazin-1-yl)propoxy)quinoline-3-carbonitrile
4-((3-Bromopropyl)(2,4-dichloro-5-methoxyphenyl)amino)-6-methoxy-7-(3-(4-methylpiperazin-1-yl)propoxy)quinoline-3-carbonitrile
Catalogue No.:PAI 02 092004
CAS :
NA
Molecular Formula : C29H34BrCl2N5O3
Molecular Weight : 651.43


4-((2,4-Dichloro-5-methoxyphenyl)amino)-7-(3-((2,4-dichloro-5-methoxyphenyl)amino)propoxy)-6-methoxyquinoline-3-carbonitrile
4-((2,4-Dichloro-5-methoxyphenyl)amino)-7-(3-((2,4-dichloro-5-methoxyphenyl)amino)propoxy)-6-methoxyquinoline-3-carbonitrile
Catalogue No.:PAI 02 092010
CAS :
NA
Molecular Formula : C28H24Cl4N4O4
Molecular Weight : 622.32


2-Cyano-N-(2,4-dichloro-5-methoxyphenyl)-3-((4-methoxy-3-(3-(4-nitrosopiperazin-1-yl)propoxy)phenyl)amino)acrylamide
2-Cyano-N-(2,4-dichloro-5-methoxyphenyl)-3-((4-methoxy-3-(3-(4-nitrosopiperazin-1-yl)propoxy)phenyl)amino)acrylamide
Catalogue No.:PA 02 0921034
CAS :
NA
Molecular Formula : C25H28Cl2N6O5
Molecular Weight : 563.44


N,N'-((Propane-1,3-diylbis(oxy))bis(3-cyano-6-methoxyquinoline-7,4-diyl))bis(N-(2,4-dichloro-5-methoxyphenyl)nitrous amide)
N,N'-((Propane-1,3-diylbis(oxy))bis(3-cyano-6-methoxyquinoline-7,4-diyl))bis(N-(2,4-dichloro-5-methoxyphenyl)nitrous amide)
Catalogue No.:PA 02 0921036
CAS :
NA
Molecular Formula : C39H28Cl4N8O8
Molecular Weight : 878.5


N,N'-(((Piperazine-1,4-diylbis(propane-3,1-diyl))bis(oxy))bis(3-cyano-6-methoxyquinoline-7,4-diyl))bis(N-(2,4-dichloro-5-methoxyphenyl)nitrous amide)
N,N'-(((Piperazine-1,4-diylbis(propane-3,1-diyl))bis(oxy))bis(3-cyano-6-methoxyquinoline-7,4-diyl))bis(N-(2,4-dichloro-5-methoxyphenyl)nitrous amide)
Catalogue No.:PA 02 0921037
CAS :
NA
Molecular Formula : C46H42Cl4N10O8
Molecular Weight : 1004.7


N-(3-Cyano-6-methoxy-7-(3-(4-methylpiperazin-1-yl)propoxy)quinolin-4-yl)-N-(2,4-dichloro-5-methoxyphenyl)nitrous amide
N-(3-Cyano-6-methoxy-7-(3-(4-methylpiperazin-1-yl)propoxy)quinolin-4-yl)-N-(2,4-dichloro-5-methoxyphenyl)nitrous amide
Catalogue No.:PA 02 0921038
CAS :
NA
Molecular Formula : C26H28Cl2N6O4
Molecular Weight : 559.45