CAS Number: 154784-36-8

Alternate CAS#: 1486464-40-7 (HCl Salt)

Chemical Name: Metoprolol EP Impurity O

Molecular Formula: C27H41NO6

Molecular Weight: 475.63

CAS Number: 56718-76-4

Alternate CAS#:

Chemical Name: Metoprolol USP Related Compound B

Molecular Formula: C12H17ClO3

Molecular Weight: 244.72

CAS Number: 6452-57-9

Alternate CAS#:

Chemical Name: Metoprolol EP Impurity N

Molecular Formula: C6H15NO2

Molecular Weight: 133.19

CAS Number: 343785-33-1

Alternate CAS#:

Chemical Name: Metoprolol EP Impurity M

Molecular Formula: C9H22N2O

Molecular Weight: 174.29

CAS Number: 163685-37-8

Alternate CAS#:

Chemical Name: Metoprolol EP Impurity J

Molecular Formula: C18H31NO5

Molecular Weight: 341.45

CAS Number: 62572-94-5

Alternate CAS#:

Chemical Name: Metoprolol EP Impurity H (Betaxolol EP Impurity B)

Molecular Formula: C14H23NO3

Molecular Weight: 253.34

CAS Number: 7695-63-8

Alternate CAS#:

Chemical Name: Metoprolol EP Impurity F

Molecular Formula: C12H19NO2

Molecular Weight: 209.29

CAS Number: 163685-38-9

Alternate CAS#:

Chemical Name: Metoprolol EP Impurity E

Molecular Formula: C15H25NO3

Molecular Weight: 267.37

CAS Number: 62572-90-1

Alternate CAS#:

Chemical Name: Metoprolol EP Impurity D

Molecular Formula: C12H18O4

Molecular Weight: 226.27

CAS Number: 29122-74-5

Alternate CAS#:

Chemical Name: Metoprolol EP Impurity C (Bisoprolol EP Impurity L)

Molecular Formula: C13H19NO3

Molecular Weight: 237.3

CAS Number: 56718-71-9

Alternate CAS#:

Chemical Name: Metoprolol EP Impurity B

Molecular Formula: C9H12O2

Molecular Weight: 152.19

CAS Number: 109632-08-8

Alternate CAS#:

Chemical Name: Metoprolol EP Impurity A

Molecular Formula: C14H23NO3

Molecular Weight: 253.34