CAS Number: 845271-73-0

Alternate CAS#:

Chemical Name: Lapatinib Impurity 16

Molecular Formula: C21H15ClFN3O

Molecular Weight: 379.82

CAS Number: 231278-83-4

Alternate CAS#:

Chemical Name: Lapatinib Impurity 15

Molecular Formula: C26H18ClN3O3

Molecular Weight: 455.9

CAS Number: 746591-42-4

Alternate CAS#:

Chemical Name: Lapatinib Impurity 14

Molecular Formula: C26H18FN3O3

Molecular Weight: 439.45

CAS Number: N/A

Alternate CAS#:

Chemical Name: Lapatinib Impurity 13

Molecular Formula: C29H25ClFN4O4S. Cl

Molecular Weight: 580.06 35.45

CAS Number: N/A

Alternate CAS#:

Chemical Name: Lapatinib Impurity 12

Molecular Formula: C29H27FN4O4S

Molecular Weight: 546.63

CAS Number: N/A

Alternate CAS#:

Chemical Name: Lapatinib Impurity 11

Molecular Formula: C55H43Cl2F2N7O6S

Molecular Weight: 1038.97

CAS Number: 1152131-73-1

Alternate CAS#:

Chemical Name: Lapatinib Impurity 10

Molecular Formula: C26H17ClFN3O4

Molecular Weight: 489.89

CAS Number: 1268997-70-1 (free base)

Alternate CAS#:

Chemical Name: Lapatinib Impurity 1 (O-De(3-fluorobenzyl) Lapatinib) Ditosylate Salt

Molecular Formula: C22H21ClN4O4S. 2 C7H8O3S

Molecular Weight: 472.95 2 172.20

CAS Number: 1268997-70-1

Alternate CAS#:

Chemical Name: Lapatinib Impurity 1 (O-De(3-fluorobenzyl) Lapatinib)

Molecular Formula: C22H21ClN4O4S

Molecular Weight: 472.94

CAS Number: 1360431-86-2

Alternate CAS#:

Chemical Name: Lapatinib Hydroxylamine

Molecular Formula: C29H26ClFN4O5S

Molecular Weight: 597.06

CAS Number: 388082-77-7

Alternate CAS#:

Chemical Name: Lapatinib Ditosylate

Molecular Formula: C29H26ClFN4O4S. 2 C7H8O3S

Molecular Weight: 581.07 2 172.20

CAS Number: N/A

Alternate CAS#:

Chemical Name: Lapatinib-d5

Molecular Formula: C29H21ClFN4O4SD5

Molecular Weight: 586.1