CAS Number: 72528-40-6

Alternate CAS#:

Chemical Name: Cefalexin (Cephalexin) EP Impurity C

Molecular Formula: C24H24N4O5S

Molecular Weight: 480.54

CAS Number: N/A

Alternate CAS#:

Chemical Name: Δ2-Cephalexin

Molecular Formula: C16H17N3O4S

Molecular Weight: 347.39

CAS Number: N/A

Alternate CAS#:

Chemical Name: Ketotifen Impurity 4 HCl

Molecular Formula: C19H19NOS. HCl

Molecular Weight: 309.43 36.46

CAS Number: 34580-20-6 (non-labelled)

Alternate CAS#:

Chemical Name: Ketotifen Impurity 3-d4 (Norketotifen-d4)

Molecular Formula: C18H13D4NOS

Molecular Weight: 299.42

CAS Number: 1227458-03-8

Alternate CAS#:

Chemical Name: Ketotifen Impurity 3 HCl (Norketotifen HCl)

Molecular Formula: C18H17NOS. HCl

Molecular Weight: 295.41 36.46

CAS Number: 59743-84-9

Alternate CAS#:

Chemical Name: Ketotifen Impurity 2

Molecular Formula: C14H10O2S

Molecular Weight: 242.29

CAS Number: N/A

Alternate CAS#:

Chemical Name: Ketotifen Impurity 1 HCl

Molecular Formula: C19H19NOS. HCl

Molecular Weight: 309.43 36.46

CAS Number: 43076-16-0

Alternate CAS#:

Chemical Name: Ketotifen EP Impurity G

Molecular Formula: C19H17NO2S

Molecular Weight: 323.42

CAS Number: N/A

Alternate CAS#:

Chemical Name: Ketotifen EP Impurity F Hemifumarate (Mixture of Enol and Ketone)

Molecular Formula: C19H19NOS. 1/2 C4H4O4

Molecular Weight: 309.43 1/2 116.07

CAS Number: 1346603-71-1

Alternate CAS#:

Chemical Name: Ketotifen EP Impurity E

Molecular Formula: C19H19NOS

Molecular Weight: 309.43

CAS Number: 88456-70-6

Alternate CAS#:

Chemical Name: Ketotifen EP Impurity D

Molecular Formula: C19H19NO2S

Molecular Weight: 325.43

CAS Number: 126939-27-3

Alternate CAS#:

Chemical Name: Ketotifen EP Impurity C

Molecular Formula: C19H21NO2S

Molecular Weight: 327.45