Formoterol Hemifumarate

CAS NO.:

Formula: C19H24N2O4.1/2 C4H4O4

Weight: 344.41 1/2 116.07

Formoterol EP Impurity A (Mixture of Diastereomers)

CAS NO.: 150513-24-9

Formula: C18H24N2O3

Weight: 316.4

Formoterol EP Impurity B

CAS NO.: 1224588-66-2

Formula: C18H22N2O4

Weight: 330.38

Formoterol EP Impurity C (Mixture of Diastereomers)

CAS NO.: 1795135-61-3

Formula: C20H26N2O4

Weight: 358.44

Formoterol EP Impurity D

CAS NO.: 1795133-96-8

Formula: C20H26N2O4

Weight: 358.44

Formoterol EP Impurity E (Mixture of Diastereomers)

CAS NO.: 1616967-26-0

Formula: C20H26N2O4

Weight: 358.44

Formoterol EP Impurity F

CAS NO.: 1795129-59-7

Formula: C37H46N4O6

Weight: 642.8

Formoterol EP Impurity G HCl

CAS NO.: 3706-26-1

Formula: C10H15NO.HCl

Weight: 165.24 36.46

Formoterol EP Impurity H

CAS NO.:

Formula: C26H30N2O4

Weight: 434.54

Formoterol EP Impurity I

CAS NO.: 532414-36-1

Formula: C19H24N2O4

Weight: 344.41

Formoterol EP Impurity I (S,R-Isomer) ((S,R)-Formoterol)

CAS NO.: 67346-50-3

Formula: C19H24N2O4

Weight: 344.41

Formoterol EP Impurity I (R,S-Isomer) ((R,S)-Formoterol)

CAS NO.: 67346-51-4

Formula: C19H24N2O4

Weight: 344.41

Formoterol EP Impurity J

CAS NO.:

Formula: C19H24N2O4

Weight: 344.41

Formoterol Impurity 1

CAS NO.: 903563-43-9

Formula: C8H7NO3

Weight: 165.15

Formoterol Impurity 2 HCl

CAS NO.: 50505-80-1

Formula: C10H15NO.HCl

Weight: 165.24 36.46

Formoterol Impurity 3

CAS NO.: 22331-70-0

Formula: C11H17NO

Weight: 179.26