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FORMOTEROL

F-1171

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Catalogue Number:	F-1171
Compound Name:	Formoterol Impurity 44
Synonyms:	(R)-N-(2-hydroxy-5-(1-hydroxyethyl)phenyl)formamide
CAS#:
Alternate CAS#:
Molecular Formula:	C₉H₁₁NO₃
Molecular Weight:	181.19

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F-111

(R,R)-Formoterol-d3 (Arformoterol-d3)

(R,R)-Formoterol-d3 (Arformoterol-d3)

CAS No. 1198353-13-7

C₁₉H₂₁D₃N₂O₄

M.W. 347.43

F-112

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol-13C-d3 Hemifumarate

C₁₈¹³CH₂₁D₃N₂O₄. 0.5 C₄H₄O₄

M.W. 348.42 0.5*116.07

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(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Hemifumarate

CAS No. 43229-80-7

C₁₉H₂₄N₂O₄. 0.5 C₄H₄O₄

M.W. 344.41 0.5*116.07

F-115

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol EP Impurity A (Formoterol USP Related Compound A) (Mixture of Diastereomers)

CAS No. 150513-24-9

C₁₈H₂₄N₂O₃

M.W. 316.40

F-116

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Benzylic Glucuronide (mixture of diastereomers)

C25H32N2O10

M.W. 520.54

F-117

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Phenolic Glucuronide

CAS No. 615551-59-2

C₂₅H₃₂N₂O₁₀

M.W. 520.54

F-118

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Sulfate Ammonium Salt

C₁₉H₂₃N₂O₇S. NH₄

M.W. 423.46 18.04

F-119

(R,R)-Formoterol-d3 (Arformoterol-d3)

(S,S)-Formoterol

CAS No. 67346-48-9

C₁₉H₂₄N₂O₄

M.W. 344.41

F-1119

(R,R)-Formoterol-d3 (Arformoterol-d3)

(R,R)-Formoterol (Arformoterol)

CAS No. 67346-49-0

C₁₉H₂₄N₂O₄

M.W. 344.41

F-1120

(R,R)-Formoterol-d3 (Arformoterol-d3)

Arformoterol-13C-d3

C19H21N2O4D3

M.W. 348.42

F-1110

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol EP Impurity B

CAS No. 1224588-66-2

C₁₈H₂₂N₂O₄

M.W. 330.38

F-1111

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol EP Impurity C (Mixture of Diastereomers)

CAS No. 1795135-61-3

C₂₀H₂₆N₂O₄

M.W. 358.44

F-1112

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol EP Impurity D Formate (Mixture of Diastereomers)

C₂₀H₂₆N₂O₄. CH₂O₂

M.W. 358.44 46.03

F-1113

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol EP Impurity E (Mixture of Diastereomers)

CAS No. 1616967-26-0

C₂₀H₂₆N₂O₄

M.W. 358.44

F-1114

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol EP Impurity F (Mixture of Diastereomers)

CAS No. 1795129-59-7

C₃₇H₄₆N₄O₆

M.W. 642.80

F-1115

(R,R)-Formoterol-d3 (Arformoterol-d3)

rac-Formoterol EP Impurity H (Mixture of Diastereomers)

CAS No. 2514947-17-0

C₂₆H₃₀N₂O₄

M.W. 434.54

F-1116

(R,R)-Formoterol-d3 (Arformoterol-d3)

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

CAS No. 67346-51-4

C₁₉H₂₄N₂O₄

M.W. 344.41

F-1117

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol-D7

C19H17N2O4D7

M.W. 351.46

F-1118

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol EP Impurity I (Formoterol USP Related Compound I)

CAS No. 532414-36-1

C₁₉H₂₄N₂O₄

M.W. 344.41

F-1121

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 22

CAS No. 903563-43-9

C₈H₇NO₃

M.W. 165.15

F-1122

F-1123

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 24 HCl

C₁₄H₁₉NO₅. HCl

M.W. 281.31 36.46

F-1124

(R,R)-Formoterol-d3 (Arformoterol-d3)

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

CAS No. 67346-50-3

C₁₉H₂₄N₂O₄

M.W. 344.41

F-1125

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 2 (Mixture of Diastereomers)

CAS No. 43229-70-5

C₃₃H₃₆N₂O₄

M.W. 524.66

F-1126

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 30 HCl

CAS No. 1049695-95-5

C₁₇H₂₁NO. HCl

M.W. 255.36 36.46

F-1127

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 31

CAS No. 43229-01-2

C₁₅H₁₂BrNO₄

M.W. 350.17

F-1128

(R,R)-Formoterol-d3 (Arformoterol-d3)

(R,R)-Formoterol L-Tartrate (Arformoterol L-Tartrate)

CAS No. 200815-49-2

C₁₉H₂₄N₂O₄. C₄H₆O₆

M.W. 344.41 150.09

F-1129

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 1

C₁₈H₂₂N₂O₄

M.W. 330.38

F-1131

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 4

C19H22N2O3

M.W. 326.40

F-1132

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 5

CAS No. 477552-93-5

C₁₉H₂₄N₂O₃

M.W. 328.41

F-1133

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 6

CAS No. 477552-94-6

C₉H₁₁NO₃

M.W. 181.19

F-1134

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 7

CAS No. 245759-62-0

C₁₈H₂₄N₂O₃

M.W. 316.40

F-1135

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 8

CAS No. 1337876-26-2

C₂₆H₃₀N₂O₄

M.W. 434.54

F-1136

(R,R)-Formoterol-d3 (Arformoterol-d3)

O-Desmethyl (R,R)-Formoterol (O-Desmethyl Arformoterol)

C₁₈H₂₂N₂O₄

M.W. 330.38

F-1137

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 10

C20H26N2O4

M.W. 358.44

F-1138

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 11

C₃₇H₄₆N₄O₆

M.W. 642.80

F-1139

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 12

C₁₈H₂₂N₂O₄

M.W. 330.38

F-1140

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 13

C19H24N2O4

M.W. 344.41

F-1141

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 14

C19H24N2O4

M.W. 344.41

F-1142

F-1143

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 16

C8H11NO3

M.W. 169.18

F-1144

F-1145

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 18

C₄₆H₅₆N₄O₁₂

M.W. 856.97

F-1146

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 25

C₃₃H₃₆N₂O₄

M.W. 524.66

F-1147

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 20

CAS No. 188690-83-7

C₃₃H₃₆N₂O₄

M.W. 524.66

F-1148

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 21

C₂₀H₂₆N₂O₄

M.W. 358.44

F-1149

(R,R)-Formoterol-d3 (Arformoterol-d3)

Bromo Formoterol

C₁₉H₂₃BrN₂O₄

M.W. 423.31

F-1150

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol (Mixture of Diastereomers)

CAS No. 128954-45-0

C₁₉H₂₄N₂O₄

M.W. 344.41

F-1151

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 26

CAS No. 725719-13-1

C₂₀H₂₆N₂O₄

M.W. 358.44

F-1152

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 27

CAS No. 245759-66-4

C₁₈H₂₄N₂O₃

M.W. 316.40

F-1153

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 28

CAS No. 67346-67-2

C₂₆H₃₀N₂O₄

M.W. 434.54

F-1154

(R,R)-Formoterol-d3 (Arformoterol-d3)

3-Bromo Formoterol HBr

C₁₉H₂₃BrN₂O₄. HBr

M.W. 423.31 80.91

F-1155

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 29

C₁₉H₂₄N₂O₃

M.W. 328.41

F-1156

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol EP Impurity D (Mixture of Diastereomers)

CAS No. 1795133-96-8

C₂₀H₂₆N₂O₄

M.W. 358.44

F-1158

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 32

C₂₁H₂₈N₂O₄

M.W. 372.47

F-1159

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 34

CAS No. 569355-36-8

C₉H₁₀O₃

M.W. 166.18

F-1160

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 35

CAS No. 2298914-74-4

C₉H₁₂O₃

M.W. 168.19

F-1161

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 36

CAS No. 40101-17-5

C₁₆H₁₄O₄

M.W. 270.28

F-1162

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 37

CAS No. 63192-57-4

C₁₄H₁₀O₄

M.W. 242.23

F-1163

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 38

CAS No. 63192-58-5

C₁₄H₁₂O₄

M.W. 244.25

F-1164

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 39 (Mixture of Diastereomers)

C₁₄H₁₅NO₃

M.W. 245.28

F-1165

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol EP Impurity F (Mixture of Diastereomers) Diformate

C₃₇H₄₆N₄O₆. CH₂O₂

M.W. 642.80 2*46.03

F-1166

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 40

C₁₉H₂₄N₂O₃

M.W. 328.41

F-1167

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 41

C₁₉H₂₄N₂O₃

M.W. 328.41

F-1168

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 42

CAS No. 43229-66-9

C₃₂H₃₂N₂O₅

M.W. 524.62

F-1157

F-1169

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 43

C₁₉H₂₄N₂O₃

M.W. 328.41

F-1170

(R,R)-Formoterol-d3 (Arformoterol-d3)

N-Nitroso-(S,S)-Formoterol

C₁₉H₂₃N₃O₅

M.W. 373.41

F-1172

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 45

C₂₁H₂₈N₂O₄

M.W. 372.47

F-1173

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 46

C₂₁H₂₆N₂O₆

M.W. 402.45

F-1174

(R,R)-Formoterol-d3 (Arformoterol-d3)

N-Nitroso-(R,R)-Formoterol

C₁₉H₂₃N₃O₅

M.W. 373.41

F-1175

(R,R)-Formoterol-d3 (Arformoterol-d3)

(S,S)-Formoterol L-Tartrate

CAS No. 67346-54-7

C₁₉H₂₄N₂O₄. C₄H₆O₆

M.W. 344.41 150.09

F-1176

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 47

CAS No. 70284-07-0

C₈H₇NO₄

M.W. 181.15

F-1177

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 48

CAS No. 33145-23-2

C₁₅H₁₃NO₄

M.W. 271.27

F-1178

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 49

CAS No. 63660-03-7

C₁₅H₁₂BrNO₄

M.W. 350.17

F-1179

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 50

C₁₅H₁₃NO₄

M.W. 271.27

F-1180

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 51

CAS No. 100865-09-6

C₁₅H₁₂BrNO₄

M.W. 350.17

F-1181

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 52

CAS No. 948550-13-8

C₈H₇NO₄

M.W. 181.15

F-1182

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 53

CAS No. 1439930-87-6

C₁₅H₁₃NO₄

M.W. 271.27

F-1183

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 54

C₁₅H₁₂BrNO₄

M.W. 350.17

F-1184

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 55

CAS No. 71250-20-9

C₁₇H₂₁NO HCl

M.W. 255.36 36.46

F-1185

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 56

CAS No. 108971-53-5

C₁₇H₂₁NO HCl

M.W. 255.36 36.46

F-1186

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 57

C₃₂H₃₆N₂O₃

M.W. 496.65

F-1187

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 58

CAS No. 1429022-31-0

C₁₅H₁₃NO₄

M.W. 271.27

F-1188

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 59

C₁₅H₁₂BrNO₄

M.W. 350.17

F-1189

(R,R)-Formoterol-d3 (Arformoterol-d3)

N-Nitroso Formoterol Impurity 30

C₁₇H₂₀N₂O₂

M.W. 284.36

F-1190

F-1191

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 61

C₁₉H₂₄N₂O₄

M.W. 344.41

F-1192

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 62 (Mixture of (R,S) (R,R) (S,R) and (S,S) Isomers) ((R,S) (R,R) (S,R) and (S,S)-Formoterol)(S,R) and (S,S)-Formoterol)

C₁₉H₂₄N₂O₄

M.W. 344.41

F-1193

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 63

C₁₁H₁₄N₂O₃

M.W. 222.24

F-1194

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 64

CAS No. 4125-46-6

C₁₀H₁₃ClO

M.W. 184.66

F-1195

(R,R)-Formoterol-d3 (Arformoterol-d3)

N-Nitroso Formoterol-13C-d3

C₁₈¹³CH₂₀D₃N₃O₅

M.W. 377.42

F-1196

(R,R)-Formoterol-d3 (Arformoterol-d3)

O-Desmethyl (S,S)-Formoterol

CAS No. 1446022-29-2

C₁₈H₂₂N₂O₄

M.W. 330.38

F-1197

(R,R)-Formoterol-d3 (Arformoterol-d3)

N-Nitroso Formoterol

C₁₉H₂₃N₃O₅

M.W. 373.41

F-1198

(R,R)-Formoterol-d3 (Arformoterol-d3)

N-Nitroso Formoterol Impurity 7

C₁₈H₂₃N₃O₄

M.W. 345.40

F-1199

(R,R)-Formoterol-d3 (Arformoterol-d3)

N-Nitroso Formoterol Impurity 27

C₁₈H₂₃N₃O₄

M.W. 345.40

F-11100

(R,R)-Formoterol-d3 (Arformoterol-d3)

N-Nitroso Formoterol EP Impurity B

C₁₈H₂₁N₃O₅

M.W. 359.38

F-11101

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 65

C₁₉H₂₄N₂O₄

M.W. 344.41

F-11102

(R,R)-Formoterol-d3 (Arformoterol-d3)

N-Nitroso Formoterol Impurity 65

C₁₉H₂₃N₃O₅

M.W. 373.41

F-11103

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol EP Impurity I-13C-d3

C₁₈¹³CH₂₁D₃N₂O₄

M.W. 348.42

F-11104

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol Impurity 66

C₁₉H₂₄N₂O₃

M.W. 328.41

F-11105

(R,R)-Formoterol-d3 (Arformoterol-d3)

(R)-Formoterol Impurity 30 HCl

CAS No. 1199228-78-8

C₁₇H₂₁NO. HCl

M.W. 255.36 36.46

F-11106

(R,R)-Formoterol-d3 (Arformoterol-d3)

(S)-Formoterol Impurity 30 HCl

C₁₇H₂₁NO. HCl

M.W. 255.36 36.46

F-11107

(R,R)-Formoterol-d3 (Arformoterol-d3)

Formoterol EP Impurity H

C₂₆H₃₀N₂O₄

M.W. 434.54

F-11108

(R,R)-Formoterol-d3 (Arformoterol-d3)

(R)-Formoterol Impurity 30-d3 HCl

C₁₇H₁₈D₃NO. HCl

M.W. 258.38 36.46

F-11109

(R,R)-Formoterol-d3 (Arformoterol-d3)

(S)-Formoterol Impurity 30-d3 HCl

C₁₇H₁₈D₃NO. HCl

M.W. 258.38 36.46