CAS Number: 3943-89-3

Alternate CAS#:

Chemical Name: Erlotinib Impurity 26

Molecular Formula: C9H10O4

Molecular Weight: 182.18

CAS Number: N/A

Alternate CAS#:

Chemical Name: Erlotinib Impurity 25

Molecular Formula: C28H34N4O9

Molecular Weight: 570.6

CAS Number: N/A

Alternate CAS#:

Chemical Name: Erlotinib Impurity 24

Molecular Formula: C14H15ClN2O5

Molecular Weight: 326.73

CAS Number: N/A

Alternate CAS#:

Chemical Name: Erlotinib Impurity 23

Molecular Formula: C14H15ClN2O5

Molecular Weight: 326.73

CAS Number: N/A

Alternate CAS#:

Chemical Name: Erlotinib Impurity 22

Molecular Formula: C13H15ClN2O4

Molecular Weight: 298.72

CAS Number: N/A

Alternate CAS#:

Chemical Name: Erlotinib Impurity 21

Molecular Formula: C13H15ClN2O4

Molecular Weight: 298.72

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