Formoterol and Impurities
Formoterol EP Impurity F (Mixture of Diastereomers)
CAS:1795129-59-7
Formula:
C37H46N4O6
Color and Shape:
Pale Yellow Solid
Molecular weight:
642.80
Ref: 4Z-F-1114
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(R,R)-Formoterol L-Tartrate (Arformoterol L-Tartrate)
Formula:
C19H24N2O4·C4H6O6
Molecular weight:
344.41 150.09
Ref: 4Z-F-1128
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Ref: 4Z-F-1172
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Ref: 4Z-F-1164
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Formoterol EP Impurity I (Formoterol USP Related Compound I)
CAS:532414-36-1
Formula:
C19H24N2O4
Color and Shape:
White To Off-White Solid
Molecular weight:
344.41
Ref: 4Z-F-1118
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Formoterol Impurity 24 HCl
Formula:
C14H19NO5·HCl
Color and Shape:
White To Off-White Solid
Molecular weight:
281.31 36.46
Ref: 4Z-F-1123
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Ref: 4Z-F-1189
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Formoterol Impurity 40
Formula:
C19H24N2O3
Color and Shape:
White To Off-White Solid
Molecular weight:
328.41
Ref: 4Z-F-1166
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Formoterol-13C-d3 Hemifumarate
CAS:43229-80-7
Formula:
C1813CH21D3N2O4C4H4O4
Color and Shape:
White To Off-White Solid
Molecular weight:
348.42 0.5*116.07
Ref: 4Z-F-112
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Formoterol EP Impurity E (Mixture of Diastereomers)
CAS:1616967-26-0
Formula:
C20H26N2O4
Color and Shape:
Off-White Solid
Molecular weight:
358.44
Ref: 4Z-F-1113
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Formoterol EP Impurity I (S,R-Isomer) ((S,R)-Formoterol)
CAS:67346-50-3
Formula:
C19H24N2O4
Color and Shape:
White To Off-White Solid
Molecular weight:
344.41
Ref: 4Z-F-1124
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Formoterol Impurity 2 (Mixture of Diastereomers)
CAS:43229-70-5
Formula:
C33H36N2O4
Color and Shape:
White To Off-White Solid
Molecular weight:
524.66
Ref: 4Z-F-1125
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Formoterol EP Impurity A (Formoterol USP Related Compound A) (Mixture of Diastereomers)
CAS:150513-24-9
Formula:
C18H24N2O3
Color and Shape:
Grey Solid
Molecular weight:
316.40
Ref: 4Z-F-115
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Formoterol Impurity 31
CAS:43229-01-2
Formula:
C15H12BrNO4
Color and Shape:
Pale Yellow Solid
Molecular weight:
350.17
Ref: 4Z-F-1127
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Formoterol EP Impurity C (Mixture of Diastereomers)
CAS:1795135-61-3
Formula:
C20H26N2O4
Color and Shape:
Off-White Solid
Molecular weight:
358.44
Ref: 4Z-F-1111
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(R,R)-Formoterol (Arformoterol)
CAS:67346-49-0
Formula:
C19H24N2O4
Color and Shape:
Off-White Solid
Molecular weight:
344.41
Ref: 4Z-F-1119
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Formoterol Impurity 7
CAS:245759-62-0
Formula:
C18H24N2O3
Color and Shape:
Pale Yellow Solid
Molecular weight:
316.40
Ref: 4Z-F-1134
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Ref: 4Z-F-1195
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Formoterol EP Impurity I (R,S-Isomer) ((R,S)-Formoterol)
CAS:67346-51-4
Formula:
C19H24N2O4
Color and Shape:
White To Off-White Solid
Molecular weight:
344.41
Ref: 4Z-F-1116
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Formoterol Phenolic Glucuronide
CAS:615551-59-2
Formula:
C25H32N2O10
Color and Shape:
Pale Yellow Solid
Molecular weight:
520.54
Ref: 4Z-F-117
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