CAS Number: N/A

Alternate CAS#:

Chemical Name: Erlotinib Impurity 20

Molecular Formula: C14H19N3O4

Molecular Weight: 293.32

CAS Number: 183322-20-5

Alternate CAS#:

Chemical Name: Erlotinib Impurity 2 (4-Chloro-7-(2-Chloroethoxy)-6-(2-Methoxyethoxy)-Quinazoline)

Molecular Formula: C13H14Cl2N2O3

Molecular Weight: 317.17

CAS Number: 1312937-41-9

Alternate CAS#:

Chemical Name: Erlotinib Impurity 19

Molecular Formula: C15H20N2O5

Molecular Weight: 308.34

CAS Number: 299912-61-1 (free base)

Alternate CAS#:

Chemical Name: Erlotinib Impurity 18 HCl

Molecular Formula: C22H27N3O4. HCl

Molecular Weight: 397.48 36.46

CAS Number: 183322-16-9

Alternate CAS#:

Chemical Name: Erlotinib Impurity 17

Molecular Formula: C15H22O6

Molecular Weight: 298.34

CAS Number: N/A

Alternate CAS#:

Chemical Name: Erlotinib Impurity 16

Molecular Formula: C22H23N3O6

Molecular Weight: 393.45

CAS Number: N/A

Alternate CAS#:

Chemical Name: Erlotinib Impurity 15

Molecular Formula: C15H23NO6

Molecular Weight: 313.35

CAS Number: 236750-62-2

Alternate CAS#:

Chemical Name: Erlotinib Impurity 14

Molecular Formula: C13H20N2O5

Molecular Weight: 284.31

CAS Number: 236750-65-5

Alternate CAS#:

Chemical Name: Erlotinib Impurity 13

Molecular Formula: C13H16N2O6

Molecular Weight: 296.28

CAS Number: N/A

Alternate CAS#:

Chemical Name: Erlotinib Impurity 12

Molecular Formula: C16H25N3O5

Molecular Weight: 339.39

CAS Number: 950596-59-5

Alternate CAS#:

Chemical Name: Erlotinib Impurity 11

Molecular Formula: C16H23N3O4

Molecular Weight: 321.38

CAS Number: 950596-58-4

Alternate CAS#:

Chemical Name: Erlotinib Impurity 10

Molecular Formula: C13H18N2O4

Molecular Weight: 266.3