Formoterol Related Products


SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Formoterol, pharmacopeial and non-pharmacopeial Formoterol impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Formoterol impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Formoterol-related products are thoroughly characterized. Formoterol products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

(R,R)-Formoterol

SZ CAT No:: SZ-F005014
CAS No: 67346-49-0
Mol.F.: C19H24N2O4 
Mol.Wt.: 344.4
Inv. Status: In Stock
Rel. CAS No: 169375-54-6 (Fumarate salt)

5-Formyl-2-Hydroxyformanilide

SZ CAT No:: SZ-F005016
CAS No: 903563-43-9
Mol.F.: C8H7NO3 
Mol.Wt.: 165.2
Inv. Status: In Stock

Arformoterol Impurity 3

SZ CAT No:: SZ-F005035
CAS No: NA
Mol.F.: C16H17NO3
Mol.Wt.: 271.3
Inv. Status: In Stock

Arformoterol Tartrate

SZ CAT No:: SZ-F005020
CAS No: 200815-49-2
Mol.F.: C19H24N2O4 : C4H6O6 
Mol.Wt.: 344.4 : 150.1
Inv. Status: In Stock
Rel. CAS No: 67346-49-0 (Free base)

Arformoterol tartrate (1S, 2R) Isomer

SZ CAT No:: SZ-F005023
CAS No: 67346-50-3
Mol.F.: C19H24N2O4
Mol.Wt.: 344.4
Inv. Status: In Stock

Formoterol Amine

SZ CAT No:: SZ-F005018
CAS No: 43229-65-8
Mol.F.: C17H21NO 
Mol.Wt.: 255.4
Inv. Status: In Stock
Rel. CAS No: 1049695-95-5 (HCl salt) ; 1184950-62-6 (HBr salt)

Formoterol EP Impurity A Fumarate

SZ CAT No:: SZ-F005043
CAS No: NA
Mol.F.: C18H24N2O3 : 1/2(C4H4O4)
Mol.Wt.: 316.4 : 1/2(116.1)
Inv. Status: In Stock
Rel. CAS No: 150513-24-9 (free base) ; 2125949-56-4 (fumarate salt)

Formoterol EP Impurity B

SZ CAT No:: SZ-F005056
CAS No: 1224588-66-2
Mol.F.: C18H22N2O4
Mol.Wt.: 330.4
Inv. Status: In Stock
Rel. CAS No: 1795137-04-0 (Fumarate salt)

Formoterol EP Impurity B Fumarate

SZ CAT No:: SZ-F005003
CAS No: 1795137-04-0
Mol.F.: C18H22N2O4 : C4H4O4
Mol.Wt.: 330.4 : 116.1
Inv. Status: In Stock
Rel. CAS No: 1224588-66-2 (free base)

Formoterol EP Impurity C

SZ CAT No:: SZ-F005004
CAS No: 1795135-61-3
Mol.F.: C20H26N2O4
Mol.Wt.: 358.4
Inv. Status: In Stock
Rel. CAS No: 1795135-62-4 (Fumrate salt)

Formoterol EP Impurity E

SZ CAT No:: SZ-F005006
CAS No: 1616967-26-0
Mol.F.: C20H26N2O4
Mol.Wt.: 358.4
Inv. Status: In Stock
Rel. CAS No: 1795136-92-3 (Fumarate salt)

Formoterol EP Impurity F

SZ CAT No:: SZ-F005007
CAS No: 1795129-59-7
Mol.F.: C37H46N4O6
Mol.Wt.: 642.8
Inv. Status: In Stock
Rel. CAS No: 1795129-60-0 (Fumarate salt)

Formoterol EP Impurity G HCl

SZ CAT No:: SZ-F005008
CAS No: 3706-26-1
Mol.F.: C10H15NO : HCl 
Mol.Wt.: 165.2 : 36.5
Inv. Status: In Stock
Rel. CAS No: 64-13-1 (free base)
Rel. CAT No: SZ-F005096 ,

Formoterol EP Impurity H

SZ CAT No:: SZ-F005015
CAS No: 2514947-17-0
Mol.F.: C26H30N2O4 
Mol.Wt.: 434.5
Inv. Status: In Stock

Formoterol EP Impurity I

SZ CAT No:: SZ-F005009
CAS No: 532414-36-1
Mol.F.: C19H24N2O4
Mol.Wt.: 344.4
Inv. Status: In Stock

Formoterol EP Impurity I (R,S-isomer)

SZ CAT No:: SZ-F005010
CAS No: 67346-51-4
Mol.F.: C19H24N2O4 
Mol.Wt.: 344.4
Inv. Status: In Stock

Formoterol Ethyl Ether Impurity

SZ CAT No:: SZ-F005050
CAS No: NA
Mol.F.: C21H28N2O4
Mol.Wt.: 372.5
Inv. Status: In Stock

Formoterol Fumarate Dihydrate

SZ CAT No:: SZ-F005030
CAS No: 183814-30-4
Mol.F.: 2(C19H24N2O4) : C4H4O4 : 2(H2O)
Mol.Wt.: 2(344.4) : 116.1 : 2(18.0)
Inv. Status: In Stock
Rel. CAS No: 73573-87-2 (free base)

Formoterol Impurity 1

SZ CAT No:: SZ-F005021
CAS No: 49861-92-9
Mol.F.: C18H22N2O4 
Mol.Wt.: 330.4
Inv. Status: In Stock
Rel. CAS No: 43229-44-3 (Fumarate salt)

Formoterol Impurity 11

SZ CAT No:: SZ-F005051
CAS No: 126002-14-0
Mol.F.: C11H15NO2
Mol.Wt.: 193.2
Inv. Status: In Stock

Formoterol Impurity 14

SZ CAT No:: SZ-F005062
CAS No: NA
Mol.F.: C14H19NO5
Mol.Wt.: 281.3
Inv. Status: In Stock

Formoterol Impurity 18

SZ CAT No:: SZ-F005077
CAS No: NA
Mol.F.: C20H26N2O4
Mol.Wt.: 358.4
Inv. Status: In Stock

N,O-Dibenzylated Formoterol

SZ CAT No:: SZ-F005017
CAS No: 43229-70-5
Mol.F.: C33H36N2O4 
Mol.Wt.: 524.7
Inv. Status: In Stock
Rel. CAS No: 43229-69-2 (Fumarate salt)

(S,S)-Formoterol

SZ CAT No:: SZ-F005013
CAS No: 67346-48-9
Mol.F.: C19H24N2O4 
Mol.Wt.: 344.4
Inv. Status: Limited Stock
Rel. CAS No: 208102-43-6(fumarate salt)

3-Methyl Arformoterol

SZ CAT No:: SZ-F005031
CAS No: NA
Mol.F.: C20H26N2O4
Mol.Wt.: 358.4
Inv. Status: Limited Stock

Formoterol EP Impurity A

SZ CAT No:: SZ-F005002
CAS No: 150513-24-9
Mol.F.: C18H24N2O3
Mol.Wt.: 316.4
Inv. Status: Limited Stock
Rel. CAS No: 2125949-56-4 (Fumarate salt)

Formoterol EP Impurity D

SZ CAT No:: SZ-F005005
CAS No: 1795133-96-8
Mol.F.: C20H26N2O4
Mol.Wt.: 358.4
Inv. Status: Limited Stock
Rel. CAS No: 1795133-97-9 (Fumarate salt)

Formoterol Impurity 4

SZ CAT No:: SZ-F005028
CAS No: 143687-25-6
Mol.F.: C33H36N2O4
Mol.Wt.: 524.7
Inv. Status: Limited Stock

Formoterol Impurity 8

SZ CAT No:: SZ-F005045
CAS No: NA
Mol.F.: C21H28N2O4
Mol.Wt.: 372.5
Inv. Status: Limited Stock

Formoterol Impurity 3

SZ CAT No:: SZ-F005026
CAS No: 143687-23-4
Mol.F.: C33H36N2O4
Mol.Wt.: 524.7
Inv. Status: Out of Stock, Custom Synthesis
Rel. CAS No: 143687-24-5 (fumarate salt)

Arformoterol Amino Dimer Impurity

SZ CAT No:: SZ-F005039
CAS No: 112376-21-3
Mol.F.: C20H27NO2
Mol.Wt.: 313.4
Inv. Status: Custom Synthesis

Arformoterol Desformyl Impurity

SZ CAT No:: SZ-F005073
CAS No: 245759-62-0
Mol.F.: C18H24N2O3
Mol.Wt.: 316.4
Inv. Status: Custom Synthesis

Arformoterol Diformylated Amino Impurity

SZ CAT No:: SZ-F005037
CAS No: NA
Mol.F.: C35H38N2O5
Mol.Wt.: 566.7
Inv. Status: Custom Synthesis

Arformoterol Impurity 1

SZ CAT No:: SZ-F005032
CAS No: NA
Mol.F.: C21H28N2O3
Mol.Wt.: 356.5
Inv. Status: Custom Synthesis

Arformoterol Impurity 10

SZ CAT No:: SZ-F005069
CAS No: 408497-91-6
Mol.F.: C26H30N2O4
Mol.Wt.: 434.5
Inv. Status: Custom Synthesis

Arformoterol Impurity 2

SZ CAT No:: SZ-F005033
CAS No: 876753-51-4
Mol.F.: C15H15NO5
Mol.Wt.: 289.3
Inv. Status: Custom Synthesis

Arformoterol Impurity 4

SZ CAT No:: SZ-F005036
CAS No: NA
Mol.F.: C16H17NO2
Mol.Wt.: 255.3
Inv. Status: Custom Synthesis

Arformoterol Impurity 5

SZ CAT No:: SZ-F005042
CAS No: NA
Mol.F.: C19H24N2O3
Mol.Wt.: 328.4
Inv. Status: Custom Synthesis

Arformoterol Impurity 7

SZ CAT No:: SZ-F005065
CAS No: NA
Mol.F.: C21H26N2O6
Mol.Wt.: 402.4
Inv. Status: Custom Synthesis

Arformoterol Impurity 9

SZ CAT No:: SZ-F005068
CAS No: 154269-04-2
Mol.F.: C22H30N2O4
Mol.Wt.: 386.5
Inv. Status: Custom Synthesis

Arformoterol Meta Isomer

SZ CAT No:: SZ-F005067
CAS No: 1027563-89-8
Mol.F.: C19H24N2O4
Mol.Wt.: 344.4
Inv. Status: Custom Synthesis

Arformoterol O-Formyl N-Acetyl Amino Impurity

SZ CAT No:: SZ-F005038
CAS No: NA
Mol.F.: C36H40N2O5
Mol.Wt.: 580.7
Inv. Status: Custom Synthesis

Arformoterol Tartrate

SZ CAT No:: SZ-F005041
CAS No: NA
Mol.F.: C27H32N2O4
Mol.Wt.: 448.6
Inv. Status: Custom Synthesis

Benzyl Glucuronide of Formoterol

SZ CAT No:: SZ-F005052
CAS No: NA
Mol.F.: C25H32N2O10
Mol.Wt.: 520.5
Inv. Status: Custom Synthesis

Formoterol Benzylic Glucuronide (mixture of diastereomers)

SZ CAT No:: SZ-F005046
CAS No: NA
Mol.F.: C25H32N2O10 
Mol.Wt.: 520.5
Inv. Status: Custom Synthesis

Formoterol Bromide

SZ CAT No:: SZ-F005019
CAS No: 43229-01-2
Mol.F.: C15H12BrNO4 
Mol.Wt.: 350.2
Inv. Status: Custom Synthesis

Formoterol Chloro Impurity

SZ CAT No:: SZ-F005087
CAS No: NA
Mol.F.: C19H23ClN2O4
Mol.Wt.: 378.9
Inv. Status: Custom Synthesis

Formoterol Deshydroxy Impurity

SZ CAT No:: SZ-F005025
CAS No: 477552-93-5
Mol.F.: C19H24N2O3
Mol.Wt.: 328.4
Inv. Status: Custom Synthesis

Formoterol Hemifumarate

SZ CAT No:: SZ-F005011
CAS No: 43229-80-7
Mol.F.: C19H24N2O4 : 1/2(C4H4O4) 
Mol.Wt.: 344.41 : 1/2(116.1)
Inv. Status: Custom Synthesis
Rel. CAS No: 73573-87-2 (free base) ; 183814-30-4 (Fumarate salt)

Formoterol Impurity 10

SZ CAT No:: SZ-F005049
CAS No: NA
Mol.F.: C19H24N2O3
Mol.Wt.: 328.4
Inv. Status: Custom Synthesis

Formoterol Impurity 12

SZ CAT No:: SZ-F005054
CAS No: NA
Mol.F.: C19H24N2O3
Mol.Wt.: 328.4
Inv. Status: Custom Synthesis

Formoterol Impurity 13

SZ CAT No:: SZ-F005055
CAS No: NA
Mol.F.: C19H24N2O3
Mol.Wt.: 328.4
Inv. Status: Custom Synthesis

Formoterol Impurity 16

SZ CAT No:: SZ-F005071
CAS No: NA
Mol.F.: C19H24N2O3
Mol.Wt.: 328.4
Inv. Status: Custom Synthesis

Formoterol Impurity 17

SZ CAT No:: SZ-F005072
CAS No: NA
Mol.F.: C30H31BrN2O4
Mol.Wt.: 563.5
Inv. Status: Custom Synthesis

Formoterol Impurity 19

SZ CAT No:: SZ-F005078
CAS No: 188690-83-7
Mol.F.: C33H36N2O4
Mol.Wt.: 524.7
Inv. Status: Custom Synthesis

Formoterol Impurity 27

SZ CAT No:: SZ-F005063
CAS No: NA
Mol.F.: C21H26N2O6
Mol.Wt.: 402.4
Inv. Status: Custom Synthesis

Formoterol Impurity 7

SZ CAT No:: SZ-F005044
CAS No: NA
Mol.F.: C19H24N2O3
Mol.Wt.: 328.4
Inv. Status: Custom Synthesis

Formoterol Impurity 9

SZ CAT No:: SZ-F005048
CAS No: NA
Mol.F.: C19H24N2O3
Mol.Wt.: 328.4
Inv. Status: Custom Synthesis

Formoterol Phenolic Glucuronide

SZ CAT No:: SZ-F005047
CAS No: 615551-59-2
Mol.F.: C25H32N2O10 
Mol.Wt.: 520.5
Inv. Status: Custom Synthesis

Formoterol Sulfate

SZ CAT No:: SZ-F005012
CAS No: NA
Mol.F.: C19H24N2O7S 
Mol.Wt.: 424.5
Inv. Status: Custom Synthesis

N-Acetyl Arformoterol

SZ CAT No:: SZ-F005084
CAS No: NA
Mol.F.: C20H26N2O4
Mol.Wt.: 358.4
Inv. Status: Custom Synthesis

O-Debenzyl Amino Impurity

SZ CAT No:: SZ-F005034
CAS No: NA
Mol.F.: C26H32N2O3
Mol.Wt.: 420.6
Inv. Status: Custom Synthesis

R(+) Diphenyl Amine Dimer Impurity

SZ CAT No:: SZ-F005040
CAS No: 10024-74-5
Mol.F.: C16H19N
Mol.Wt.: 225.3
Inv. Status: Custom Synthesis
Rel. CAS No: 98222-61-8 (HCl salt)

Rac N-Deformyl Formoterol

SZ CAT No:: SZ-F005061
CAS No: 652994-19-9
Mol.F.: C18H24N2O3
Mol.Wt.: 316.4
Inv. Status: Custom Synthesis

Formoterol

SZ CAT No:: SZ-F005001
CAS No: 73573-87-2
Mol.F.: C19H24N2O4
Mol.Wt.: 344.4
Inv. Status: Under Synthesis
Rel. CAS No: 183814-30-4 (Fumarate salt)

Formoterol Impurity 15

SZ CAT No:: SZ-F005064
CAS No: NA
Mol.F.: C24H30N2O9
Mol.Wt.: 490.5
Inv. Status: Under Synthesis

Formoterol Impurity 20

SZ CAT No:: SZ-F005085
CAS No: NA
Mol.F.: C19H23BrN2O4
Mol.Wt.: 423.3
Inv. Status: Under Synthesis

Formoterol Impurity 21

SZ CAT No:: SZ-F005086
CAS No: NA
Mol.F.: C24H28N2O8
Mol.Wt.: 472.5
Inv. Status: Under Synthesis

Formoterol AC-Amino Impurity

SZ CAT No:: SZ-F005094
CAS No: 1315510-05-4
Mol.F.: C33H38N2O3
Mol.Wt.: 510.7
Inv. Status:

Formoterol AC-Formyl Impurity

SZ CAT No:: SZ-F005093
CAS No: 1316100-17-0
Mol.F.: C34H38N2O4
Mol.Wt.: 538.7
Inv. Status:

Formoterol AC-Nitro Impurity

SZ CAT No:: SZ-F005095
CAS No: 1262020-50-7
Mol.F.: C33H36N2O5
Mol.Wt.: 540.7
Inv. Status:

Formoterol EP Impurity G (Fumarate salt)

SZ CAT No:: SZ-F005096
CAS No: NA
Mol.F.: C10H15NO : C4H4O4
Mol.Wt.: 165.2 : 116.1
Inv. Status:
Rel. CAS No: 64-13-1 (free base) ; 3706-26-1 (HCl salt)
Rel. CAT No: SZ-F005008 ,

Formoterol Impurity 22

SZ CAT No:: SZ-F005088
CAS No: 67346-67-2
Mol.F.: C26H30N2O4
Mol.Wt.: 434.5
Inv. Status:

Formoterol Impurity 23

SZ CAT No:: SZ-F005089
CAS No: 1337876-26-2
Mol.F.: C26H30N2O4
Mol.Wt.: 434.5
Inv. Status:

Formoterol Impurity 24

SZ CAT No:: SZ-F005090
CAS No: 1823732-07-5
Mol.F.: C15H14ClNO4
Mol.Wt.: 307.7
Inv. Status:

Formoterol Impurity 25

SZ CAT No:: SZ-F005091
CAS No: NA
Mol.F.: C15H15NO4
Mol.Wt.: 273.3
Inv. Status:

Formoterol Impurity 26

SZ CAT No:: SZ-F005092
CAS No: 40648-92-8
Mol.F.: C16H19N : HCl
Mol.Wt.: 225.3 : 36.5
Inv. Status:
Rel. CAS No: 56210-72-1 (Free base)

(R,R)-Formoterol-d3

SZ CAT No:: SZ-F005D02
CAS No: 1198353-13-7
Mol.F.: C19H21N2O4D3 
Mol.Wt.: 347.4
Inv. Status: Custom Synthesis

Arformoterol-13C-d3

SZ CAT No:: SZ-F005D01
CAS No: 2747918-21-2
Mol.F.: C19H21N2O4D3 
Mol.Wt.: 348.4
Inv. Status: Custom Synthesis

Formoterol-13C-d3 Hemifumarate

SZ CAT No:: SZ-F005D03
CAS No: NA
Mol.F.: C1813CH21D3N2O4 : 1/2(C4H4O4)
Mol.Wt.: 348.4 : 1/2(116.1)
Inv. Status: Custom Synthesis
Rel. CAS No: 43229-80-7 (non-labelled)

Formoterol-D6 Fumarate

SZ CAT No:: SZ-F005D05
CAS No: NA
Mol.F.: C19H18D6N2O4 : C4H4O4
Mol.Wt.: 350.4 : 116.1
Inv. Status: Custom Synthesis
Rel. CAS No: 1020719-45-2 (free base)

Formoterol-D7

SZ CAT No:: SZ-F005D04
CAS No: NA
Mol.F.: C19H17N2O4D7 
Mol.Wt.: 351.5
Inv. Status: Custom Synthesis

N-Nitroso Arformoterol

SZ CAT No:: SZ-F005074
CAS No: NA
Mol.F.: C19H23N3O5
Mol.Wt.: 373.4
Inv. Status: In Stock

N-Nitroso Formoterol Amine

SZ CAT No:: SZ-F005070
CAS No: NA
Mol.F.: C17H20N2O2
Mol.Wt.: 284.4
Inv. Status: In Stock

N-Nitroso Formoterol

SZ CAT No:: SZ-F005053
CAS No: NA
Mol.F.: C19H23N3O5
Mol.Wt.: 373.4
Inv. Status: Limited Stock

Arformoterol N-Methyl Impurity

SZ CAT No:: SZ-F005083
CAS No: NA
Mol.F.: C20H26N2O4
Mol.Wt.: 358.4
Inv. Status: Custom Synthesis

Desmethyl Arformoterol

SZ CAT No:: SZ-F005082
CAS No: NA
Mol.F.: C18H22N2O4
Mol.Wt.: 330.4
Inv. Status: Custom Synthesis

Formoterol Nitroso Impurity 2

SZ CAT No:: SZ-F005075
CAS No: NA
Mol.F.: C17H20N2O2
Mol.Wt.: 284.4
Inv. Status: Custom Synthesis

Formoterol Nitroso Impurity 3

SZ CAT No:: SZ-F005076
CAS No: NA
Mol.F.: C17H20N2O2
Mol.Wt.: 284.4
Inv. Status: Custom Synthesis

N-nitroso (S,S)-formoterol

SZ CAT No:: SZ-F005066
CAS No: NA
Mol.F.: C19H23N3O5
Mol.Wt.: 373.4
Inv. Status: Custom Synthesis

N-Nitroso Desformyl Arformoterol

SZ CAT No:: SZ-F005079
CAS No: NA
Mol.F.: C18H23N3O4
Mol.Wt.: 345.4
Inv. Status: Custom Synthesis

N-Nitroso Desmethyl Arformoterol

SZ CAT No:: SZ-F005080
CAS No: NA
Mol.F.: C18H21N3O5
Mol.Wt.: 359.4
Inv. Status: Custom Synthesis

N-Nitroso n-Acetyl Arformoterol

SZ CAT No:: SZ-F005081
CAS No: NA
Mol.F.: C20H25N3O5
Mol.Wt.: 387.4
Inv. Status: Custom Synthesis
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