CAS Number: 4803-57-0

Alternate CAS#:

Chemical Name: Donepezil EP Impurity D(Donepezil Pyridine Analog Impurity)

Molecular Formula: C17H17NO3

Molecular Weight: 283.33

CAS Number: N/A

Alternate CAS#:

Chemical Name: Donepezil Impurity 9

Molecular Formula: C26H33NO4

Molecular Weight: 423.56

CAS Number: 1808997-65-0

Alternate CAS#:

Chemical Name: Donepezil Impurity 8

Molecular Formula: C18H23NO4

Molecular Weight: 317.38

CAS Number: 197010-22-3 (free base)

Alternate CAS#:

Chemical Name: Donepezil Impurity 7 HCl

Molecular Formula: C24H29NO4. HCl

Molecular Weight: 395.50 36.46

CAS Number: N/A

Alternate CAS#:

Chemical Name: Donepezil Impurity 6

Molecular Formula: C31H35NO3

Molecular Weight: 469.63

CAS Number: 231283-82-2

Alternate CAS#:

Chemical Name: Donepezil EP Impurity E Bromide

Molecular Formula: C24H24NO3 . Br

Molecular Weight: 374.46 . 79.90

CAS Number: N/A

Alternate CAS#:

Chemical Name: Donepezil Impurity 4

Molecular Formula: C24H29NO3

Molecular Weight: 379.5

CAS Number: 1023500-88-0

Alternate CAS#:

Chemical Name: Donepezil Impurity 3

Molecular Formula: C24H27NO4

Molecular Weight: 393.48

CAS Number: 608511-44-0

Alternate CAS#:

Chemical Name: Donepezil Impurity 28

Molecular Formula: C24H27NO3

Molecular Weight: 377.48

CAS Number: 958633-84-6

Alternate CAS#:

Chemical Name: Donepezil Impurity 27

Molecular Formula: C24H31NO3

Molecular Weight: 381.52

CAS Number: N/A

Alternate CAS#:

Chemical Name: Donepezil Impurity 26

Molecular Formula: C24H29NO4

Molecular Weight: 395.5

CAS Number: N/A

Alternate CAS#:

Chemical Name: Donepezil Impurity 25

Molecular Formula: C24H29NO4

Molecular Weight: 395.5