Formoterol Related Products

Venkatasai is a leading innovator in the field of pharmaceutical reference standards, offering high-quality Reference Standards of Abacavir, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope-labeled compounds, and nitrosamines (N-NO products). Our Abacavir impurity reference standards play a vital role in pharmaceutical research, supporting product development, ANDA and DMF filings, quality control (QC), method validation, and stability studies. They are also instrumental in identifying unknown impurities and evaluating genotoxic potential. All Abacavir-related products are thoroughly characterized and supplied with comprehensive Certificates of Analysis (COA) and analytical data that comply with regulatory standards. EP/USP traceable standards can also be provided upon request. Furthermore, all supplied products undergo periodic re-testing to ensure continued quality and reliability.

(R,R)-Formoterol

CAT No: VS-F054017
CAS No: 67346-49-0
Mol.F.: C19H24N2O4 
Mol.Wt.: 344.4
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

5-Formyl-2-hydroxyformanilide

CAT No: VS-F054018
CAS No: N/A
Mol.F.: C8H7NO3 
Mol.Wt.: 165.2
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

Arformoterol Diformylated Amino Impurity

CAT No: VS-F054032
CAS No: N/A
Mol.F.: C35H38N2O5
Mol.Wt.: 566.7
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 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 Tartarate

CAT No: VS-F054036
CAS No: N/A
Mol.F.: C27H32N2O4
Mol.Wt.: 448.6
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 tartrate (1S, 2R) Isomer

CAT No: VS-F054027
CAS No: 67346-50-3
Mol.F.: C19H24N2O4
Mol.Wt.: 344.4
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

CAT No: VS-F054000
CAS No: 128954-45-0
Mol.F.: C19H24N2O4
Mol.Wt.: 344.4
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 Amine (HCl)

CAT No: VS-F054065
CAS No: 1049695-95-5
Mol.F.: C17H22ClNO
Mol.Wt.: 291.82
Status: In Stock

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 Bromide

CAT No: VS-F054020
CAS No: 43229-01-2
Mol.F.: C15H12BrNO4 
Mol.Wt.: 350.2
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 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

CAT No: VS-F054054
CAS No: 1224588-66-2
Mol.F.: C18H22N2O4
Mol.Wt.: 330.38
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 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

CAT No: VS-F054004
CAS No: 1795133-96-8
Mol.F.: C20H26N2O4
Mol.Wt.: 358.4
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 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: In Stock

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 Ethyl Ether Impurity

CAT No: VS-F054039
CAS No: N/A
Mol.F.: C21H28N2O4
Mol.Wt.: 372.5
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

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

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 EP Impurity I

CAT No: VS-F054010
CAS No: 532414-36-1
Mol.F.: C19H24N2O4 
Mol.Wt.: 344.4
Status: In Stock

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 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 Impurity 1

CAT No: VS-F054041
CAS No: 49861-92-9
Mol.F.: C18H22N2O4 
Mol.Wt.: 330.4
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 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 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 N

CAT No: VS-F054013
CAS No: 43229-70-5
Mol.F.: C33H36N2O4 
Mol.Wt.: 524.7
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

Formoterol Phenolic Glucuronide

CAT No: VS-F054038
CAS No: 615551-59-2
Mol.F.: C25H32N2O10 
Mol.Wt.: 520.5
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 Sulfate

CAT No: VS-F054015
CAS No: N/A
Mol.F.: C19H24N2O7S 
Mol.Wt.: 424.5
Status: Custom Synthesis

Nitroso Arformoterol

CAT No: VS-F054062
CAS No: N/A
Mol.F.: C19H23N3O6
Mol.Wt.: 389.41
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

N-Nitroso Arformoterol

CAT No: VS-F054064
CAS No: N/A
Mol.F.: C19H23N3O5
Mol.Wt.: 373.4
Status: Custom Synthesis

N-nitroso Formoterol

CAT No: VS-F054061
CAS No: N/A
Mol.F.: C19H23N3O5
Mol.Wt.: 373.4
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

R(+) Diphenyl amine dimer impurity

CAT No: VS-F054035
CAS No: 10024-74-5
Mol.F.: C16H19N
Mol.Wt.: 225.3
Status: Custom Synthesis