lapatinib ditosylate hydrate and its Impurities
Lapatinib Ditosylate Hydrate is used in combination therapy for HER2-positive breast cancer. It is used for the treatment of patients with advanced or metastatic breast cancer whose tumors overexpress HER2. Reference standards of Lapatinib Ditosylate Hydrate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


5-(4-((3-Chloro-4-((3-fluorobenzyl)oxy)phenyl)amino)quinazolin-6-yl)furan-2-carboxylic Acid
5-(4-((3-Chloro-4-((3-fluorobenzyl)oxy)phenyl)amino)quinazolin-6-yl)furan-2-carboxylic Acid
Catalogue No.:PA 39 05530
CAS :
1152131-73-1
Molecular Formula : C26H17ClFN3O4
Molecular Weight : 489.88

![5-[4-[[3-Chloro-4-[(3-fluorophenyl)methoxy]phenyl] PA 39 05550](https://www.pharmaffiliates.com/pimages/PA3905550.jpg)
5-[4-[[3-Chloro-4-[(3-fluorophenyl)methoxy]phenyl]amino]-6-quinazolinyl]-2-furancarboxaldehyde
5-[4-[[3-Chloro-4-[(3-fluorophenyl)methoxy]phenyl]amino]-6-quinazolinyl]-2-furancarboxaldehyde
Catalogue No.:PA 39 05550
CAS :
231278-84-5
Molecular Formula : C26H17ClFN3O3
Molecular Weight : 473.89


N-(3-Chloro-4-((2-fluorobenzyl)oxy)phenyl)-6-(5-(((2-(methylsulfonyl)ethyl)amino)methyl)furan-2-yl)quinazolin-4-amine
N-(3-Chloro-4-((2-fluorobenzyl)oxy)phenyl)-6-(5-(((2-(methylsulfonyl)ethyl)amino)methyl)furan-2-yl)quinazolin-4-amine
Catalogue No.:PA 39 0051000
CAS :
1393112-45-2
Molecular Formula : C29H26ClFN4O4S
Molecular Weight : 581.06


N-(4-(4-Fluorobenzyloxy)-3-chlorophenyl)-6-(5-((2-(methylsulfonyl)ethylamino) methyl)furan-2-yl)quinazolin-4-amine
N-(4-(4-Fluorobenzyloxy)-3-chlorophenyl)-6-(5-((2-(methylsulfonyl)ethylamino) methyl)furan-2-yl)quinazolin-4-amine
Catalogue No.:PA 39 0051001
CAS :
1026818-86-9
Molecular Formula : C29H26ClFN4O4S
Molecular Weight : 581.06


N-(4-((3-Fluorobenzyl)oxy)phenyl)-6-(5-(((2-(methylsulfonyl)ethyl)amino)methyl)furan-2-yl)quinazolin-4-amine bis(4-methylbenzenesulfonate)
N-(4-((3-Fluorobenzyl)oxy)phenyl)-6-(5-(((2-(methylsulfonyl)ethyl)amino)methyl)furan-2-yl)quinazolin-4-amine bis(4-methylbenzenesulfonate)
Catalogue No.:PA 39 0051006
CAS :
NA
Molecular Formula : C43H43FN4O10S3
Molecular Weight : 891.01


N-(3-Chloro-4-((3-fluorobenzyl)oxy)phenyl)-6-(5-((((5-(4-((3-chloro-4-((3-fluorobenzyl)oxy)phenyl)amino)quinazolin-6-yl)furan-2-yl)methyl)(2-(methylsulfonyl)ethyl)amino)methyl)furan-2-yl)quinazolin-4-amine
N-(3-Chloro-4-((3-fluorobenzyl)oxy)phenyl)-6-(5-((((5-(4-((3-chloro-4-((3-fluorobenzyl)oxy)phenyl)amino)quinazolin-6-yl)furan-2-yl)methyl)(2-(methylsulfonyl)ethyl)amino)methyl)furan-2-yl)quinazolin-4-amine
Catalogue No.:PA 39 0051008
CAS :
2172855-57-9
Molecular Formula : C55H43Cl2F2N7O6S
Molecular Weight : 1038.95