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Formoterol
Venkatasai is a leading provider of pharmaceutical reference standards, specializing in the supply of high-purity Formoterol reference materials. Our portfolio includes both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope-labeled compounds, and nitrosamine derivatives (N-NO products). These reference standards play a crucial role in pharmaceutical R&D, aiding in formulation development, ANDA/DMF submissions, quality control, method validation, stability studies, and impurity profiling—including the identification and assessment of potentially genotoxic impurities.
Each Formoterol-related product is rigorously characterized and delivered with a detailed Certificate of Analysis (COA) and comprehensive analytical data to ensure regulatory compliance. Upon request, we also offer EP/USP traceable standards. To maintain the highest quality standards, all materials are subject to periodic re-testing and continuous quality monitoring.
Formoterol
CAT No: VS-F054000
CAS No: 128954-45-0
Mol.F.: C19H24N2O4
Mol.Wt.: 344.4
Status: Custom Synthesis
Formoterol EP Impurity A
CAT No: VS-F054001
CAS No: 150513-24-9
Mol.F.: C18H24N2O3
Mol.Wt.: 316.4
Status: Custom Synthesis
Formoterol EP Impurity B (Fumarate)
CAT No: VS-F054002
CAS No: 1795137-04-0
Mol.F.: C18H22N2O4 : C4H4O4
Mol.Wt.: 330.4 : 116.1
Status: Custom Synthesis
Formoterol EP Impurity C
CAT No: VS-F054003
CAS No: 1795135-61-3
Mol.F.: C20H26N2O4
Mol.Wt.: 358.4
Status: Custom Synthesis
Formoterol EP Impurity D
CAT No: VS-F054004
CAS No: 1795133-96-8
Mol.F.: C20H26N2O4
Mol.Wt.: 358.4
Status: Custom Synthesis
Formoterol EP Impurity E
CAT No: VS-F054005
CAS No: 1616967-26-0
Mol.F.: C20H26N2O4
Mol.Wt.: 358.4
Status: Custom Synthesis
Formoterol EP Impurity F
CAT No: VS-F054006
CAS No: 1795129-59-7
Mol.F.: C37H46N4O6
Mol.Wt.: 642.8
Status: Custom Synthesis
Formoterol EP Impurity G
CAT No: VS-F054007
CAS No: 64-13-1
Mol.F.: C10H15NO
Mol.Wt.: 165.2
Status: Custom Synthesis
Formoterol EP Impurity G HCl
CAT No: VS-F054008
CAS No: 3706-26-1
Mol.F.: C10H15NO : HCl
Mol.Wt.: 165.2 : 36.5
Status: Custom Synthesis
Formoterol EP Impurity H
CAT No: VS-F054009
CAS No: 2514947-17-0
Mol.F.: C26H30N2O4
Mol.Wt.: 434.5
Status: Custom Synthesis
Formoterol Fumarate Dihydrate EP Impurity I
CAT No: VS-F054010
CAS No: 532414-36-1
Mol.F.: C19H24N2O4
Mol.Wt.: 344.4
Status: Custom Synthesis
Formoterol Fumarate Dihydrate EP Impurity I (R,S-isomer) ((R,S)-Formoterol)
CAT No: VS-F054011
CAS No: 67346-51-4
Mol.F.: C19H24N2O4
Mol.Wt.: 344.4
Status: Custom Synthesis
Formoterol Related Compound I
CAT No: VS-F054012
CAS No: N/A
Mol.F.: C19H24N2O4 . C4H4O4
Mol.Wt.: 344.4 : 116.1
Status: Custom Synthesis
Formoterol Impurity N
CAT No: VS-F054013
CAS No: 43229-70-5
Mol.F.: C33H36N2O4
Mol.Wt.: 524.7
Status: Custom Synthesis
Formoterol Hemifumarate
CAT No: VS-F054014
CAS No: N/A
Mol.F.: C19H24N2O4 . 1/2(C4H4O4)
Mol.Wt.: 344.41 : 1/2(116.1)
Status: Custom Synthesis
Formoterol Sulfate
CAT No: VS-F054015
CAS No: N/A
Mol.F.: C19H24N2O7S
Mol.Wt.: 424.5
Status: Custom Synthesis
(S,S)-Formoterol
CAT No: VS-F054016
CAS No: 67346-48-9
Mol.F.: C19H24N2O4
Mol.Wt.: 344.4
Status: Custom Synthesis
(R,R)-Formoterol
CAT No: VS-F054017
CAS No: 67346-49-0
Mol.F.: C19H24N2O4
Mol.Wt.: 344.4
Status: Custom Synthesis
5-Formyl-2-hydroxyformanilide
CAT No: VS-F054018
CAS No: N/A
Mol.F.: C8H7NO3
Mol.Wt.: 165.2
Status: Custom Synthesis
Formoterol Amine
CAT No: VS-F054019
CAS No: 43229-65-8
Mol.F.: C17H21NO
Mol.Wt.: 255.4
Status: Custom Synthesis
Formoterol Bromide
CAT No: VS-F054020
CAS No: 43229-01-2
Mol.F.: C15H12BrNO4
Mol.Wt.: 350.2
Status: Custom Synthesis
Arformoterol Tartrate
CAT No: VS-F054021
CAS No: 200815-49-2
Mol.F.: C19H24N2O4 : C4H6O6
Mol.Wt.: 344.4 : 150.1
Status: Custom Synthesis
Arformoterol Impurity 1
CAT No: VS-F054022
CAS No: N/A
Mol.F.: C21H28N2O3
Mol.Wt.: 356.5
Status: Custom Synthesis
Arformoterol Impurity 2
CAT No: VS-F054023
CAS No: 876753-51-4
Mol.F.: C15H15NO5
Mol.Wt.: 289.3
Status: Custom Synthesis
Arformoterol Impurity 3
CAT No: VS-F054024
CAS No: N/A
Mol.F.: C16H17NO3
Mol.Wt.: 271.3
Status: Custom Synthesis
Arformoterol Impurity 4
CAT No: VS-F054025
CAS No: N/A
Mol.F.: C16H17NO2
Mol.Wt.: 255.3
Status: Custom Synthesis
Arformoterol Impurity 5
CAT No: VS-F054026
CAS No: N/A
Mol.F.: C19H24N2O3
Mol.Wt.: 328.4
Status: Custom Synthesis
Arformoterol tartrate (1S, 2R) Isomer
CAT No: VS-F054027
CAS No: 67346-50-3
Mol.F.: C19H24N2O4
Mol.Wt.: 344.4
Status: Custom Synthesis
Formoterol Deshydroxy Impurity
CAT No: VS-F054028
CAS No: 477552-93-5
Mol.F.: C19H24N2O3
Mol.Wt.: 328.4
Status: Custom Synthesis
Formoterol Fumarate Dihydrate - In house Impurity
CAT No: VS-F054029
CAS No: 143687-23-4
Mol.F.: C33H36N2O4
Mol.Wt.: 524.7
Status: Custom Synthesis
Formoterol Fumarate Dihydrate
CAT No: VS-F054030
CAS No: N/A
Mol.F.: C19H24N2O4 : C4H4O4 : 2(H2O)
Mol.Wt.: 344.4 : 116.1 : 2(18.0)
Status: Custom Synthesis
O-Debenzyl Amino Impurity
CAT No: VS-F054031
CAS No: N/A
Mol.F.: C26H32N2O3
Mol.Wt.: 420.6
Status: Custom Synthesis
Arformoterol Diformylated Amino Impurity
CAT No: VS-F054032
CAS No: N/A
Mol.F.: C35H38N2O5
Mol.Wt.: 566.7
Status: Custom Synthesis
Arformoterol O-Formyl N-Acetyl Amino Impurity
CAT No: VS-F054033
CAS No: N/A
Mol.F.: C36H40N2O5
Mol.Wt.: 580.7
Status: Custom Synthesis
Arformoterol Amino Dimer impurity
CAT No: VS-F054034
CAS No: 112376-21-3
Mol.F.: C20H27NO2
Mol.Wt.: 313.4
Status: Custom Synthesis
R(+) Diphenyl amine dimer impurity
CAT No: VS-F054035
CAS No: 10024-74-5
Mol.F.: C16H19N
Mol.Wt.: 225.3
Status: Custom Synthesis
Arformoterol Tartarate
CAT No: VS-F054036
CAS No: N/A
Mol.F.: C27H32N2O4
Mol.Wt.: 448.6
Status: Custom Synthesis
Formoterol Benzylic Glucuronide (mixture of diastereomers)
CAT No: VS-F054037
CAS No: N/A
Mol.F.: C25H32N2O10
Mol.Wt.: 520.5
Status: Custom Synthesis
Formoterol Phenolic Glucuronide
CAT No: VS-F054038
CAS No: 615551-59-2
Mol.F.: C25H32N2O10
Mol.Wt.: 520.5
Status: Custom Synthesis
Formoterol Ethyl Ether Impurity
CAT No: VS-F054039
CAS No: N/A
Mol.F.: C21H28N2O4
Mol.Wt.: 372.5
Status: Custom Synthesis
Benzyl Glucuronide of Formoterol
CAT No: VS-F054040
CAS No: N/A
Mol.F.: C25H32N2O10
Mol.Wt.: 520.5
Status: Custom Synthesis
Formoterol Impurity 1
CAT No: VS-F054041
CAS No: 49861-92-9
Mol.F.: C18H22N2O4
Mol.Wt.: 330.4
Status: Custom Synthesis
Formoterol Impurity 2
CAT No: VS-F054042
CAS No: 43229-69-2
Mol.F.: C33H36N2O4 C4H4O4
Mol.Wt.: 524.7 : 116.1
Status: Custom Synthesis
Formoterol Impurity 3
CAT No: VS-F054043
CAS No: 143687-24-5
Mol.F.: C33H36N2O4 . C4H4O4
Mol.Wt.: 524.7 : 116.1
Status: Custom Synthesis
Formoterol Impurity 4
CAT No: VS-F054044
CAS No: 143687-25-6
Mol.F.: C33H36N2O4
Mol.Wt.: 524.7
Status: Custom Synthesis
Formoterol Impurity 5
CAT No: VS-F054045
CAS No: N/A
Mol.F.: C20H26N2O4
Mol.Wt.: 358.4
Status: Custom Synthesis
Formoterol Impurity 6
CAT No: VS-F054046
CAS No: 903563-43-9
Mol.F.: C8H7NO3
Mol.Wt.: 165.1
Status: Custom Synthesis
Formoterol Impurity 7
CAT No: VS-F054047
CAS No: N/A
Mol.F.: C19H24N2O3
Mol.Wt.: 328.4
Status: Custom Synthesis
Formoterol Impurity 8
CAT No: VS-F054048
CAS No: N/A
Mol.F.: C21H28N2O4
Mol.Wt.: 372.5
Status: Custom Synthesis
Formoterol Impurity 9
CAT No: VS-F054049
CAS No: N/A
Mol.F.: C19H24N2O3
Mol.Wt.: 328.4
Status: Custom Synthesis
Formoterol Impurity 10
CAT No: VS-F054050
CAS No: N/A
Mol.F.: C19H24N2O3
Mol.Wt.: 328.4
Status: Custom Synthesis
Formoterol Impurity 11
CAT No: VS-F054051
CAS No: 73573-87-2
Mol.F.: C19H24N2O4
Mol.Wt.: 344.4
Status: Custom Synthesis
Formoterol Impurity 12
CAT No: VS-F054052
CAS No: N/A
Mol.F.: C19H24N2O3
Mol.Wt.: 328.4
Status: Custom Synthesis
Formoterol Impurity 13
CAT No: VS-F054053
CAS No: N/A
Mol.F.: C19H24N2O3
Mol.Wt.: 328.4
Status: Custom Synthesis
Formoterol EP Impurity B
CAT No: VS-F054054
CAS No: 1224588-66-2
Mol.F.: C18H22N2O4
Mol.Wt.: 330.38
Status: Custom Synthesis
N-Nitroso (S,S)-Formoterol
CAT No: VS-F054055
CAS No: N/A
Mol.F.: C19H23N3O5
Mol.Wt.: 373.40
Status: Custom Synthesis
Formoterol EP Impurity C (Fumarate)
CAT No: VS-F054056
CAS No: 1795135-62-4
Mol.F.: C20H26N2O4.C4H4O4
Mol.Wt.: 474.5
Status: Custom Synthesis
Formoterol EP Impurity D (Fumarate)
CAT No: VS-F054057
CAS No: 1795133-97-9
Mol.F.: C44H56N4O12
Mol.Wt.: 832.95
Status: Custom Synthesis
Formoterol Impurity 14
CAT No: VS-F054058
CAS No: 477552-94-6
Mol.F.: C9H11NO3
Mol.Wt.: 181.19
Status: Custom Synthesis
Formoterol Impurity 15
CAT No: VS-F054059
CAS No: N/A
Mol.F.: C9H9NO3
Mol.Wt.: 179.18
Status: Custom Synthesis
Formoterol Nitroso Impurity (DiNitroso)
CAT No: VS-F054060
CAS No: N/A
Mol.F.: C19H22N4O6
Mol.Wt.: 402.41
Status: Custom Synthesis
N-nitroso Formoterol
CAT No: VS-F054061
CAS No: N/A
Mol.F.: C19H23N3O5
Mol.Wt.: 373.4
Status: Custom Synthesis
Nitroso Arformoterol
CAT No: VS-F054062
CAS No: N/A
Mol.F.: C19H23N3O6
Mol.Wt.: 389.41
Status: Custom Synthesis
Formoterol Fumarate Dihydrate
CAT No: VS-F054063
CAS No: 183814-30-4
Mol.F.: 2(344.4) : 116.1 : 2(18.0)
Mol.Wt.: 840.91
Status: Custom Synthesis
N-Nitroso Arformoterol
CAT No: VS-F054064
CAS No: N/A
Mol.F.: C19H23N3O5
Mol.Wt.: 373.4
Status: Custom Synthesis
Formoterol Amine (HCl)
CAT No: VS-F054065
CAS No: 1049695-95-5
Mol.F.: C17H22ClNO
Mol.Wt.: 291.82
Status: Custom Synthesis
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