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Ketotifen and Impurities

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BrandProduct dataPurityPrice rangeEstimated delivery
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Ketotifen fumarate
REF: TM-T0994CAS: 34580-14-8 		99.61% - ≥95%38.00 €~68.00 €Tue 07 Jan 25
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Ketotifen EP Impurity A (Ketotifen USP Related Compound A (Free Form))
REF: 4Z-K-062CAS: 4673-38-5 		- - -To inquireTue 07 Jan 25
TLC logo
N-Nitroso-N-Desmethyl Ketotifen EP Impurity B
REF: 4Z-K-0633		- - -To inquireTue 07 Jan 25
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N-Nitroso-N-Desmethyl Ketotifen EP Impurity A
REF: 4Z-K-0632		- - -To inquireTue 07 Jan 25
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N-Nitroso N-Desmethyl Ketotifen EP Impurity G
REF: 4Z-K-0631		- - -To inquireTue 07 Jan 25
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Ketotifen EP Impurity G
REF: 4Z-K-068CAS: 43076-16-0 		- - -To inquireTue 07 Jan 25
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Ketotifen EP Impurity E
REF: 4Z-K-066CAS: 1346603-71-1 		- - -To inquireTue 07 Jan 25
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Ketotifen Impurity 2
REF: 4Z-K-0610CAS: 59743-84-9 		- - -To inquireTue 07 Jan 25
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Ketotifen-13C-d3
REF: 4Z-K-0612CAS:
- - -To inquireTue 07 Jan 25
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Ketotifen Impurity 4 HCl
REF: 4Z-K-0614		- - -To inquireTue 07 Jan 25
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Ketotifen EP Impurity F Hemifumarate (Mixture of Enol and Ketone)
REF: 4Z-K-067		- - -To inquireTue 07 Jan 25
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Ketotifen Fumarate
REF: 4Z-K-061CAS: 34580-14-8 		- - -To inquireTue 07 Jan 25
TLC logo
Ketotifen EP Impurity C
REF: 4Z-K-064CAS: 126939-27-3 		- - -To inquireTue 07 Jan 25
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Ketotifen EP Impurity D (Ketotifen N-Oxide)
REF: 4Z-K-065CAS: 88456-70-6 		- - -To inquireTue 07 Jan 25
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Ketotifen EP Impurity B
REF: 4Z-K-063CAS: 59743-88-3 		- - -To inquireTue 07 Jan 25
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N-Desmethyl Ketotifen EP Impurity B
REF: 4Z-K-0636CAS: 108914-77-8 		- - -To inquireTue 07 Jan 25
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N-Desmethyl Ketotifen EP Impurity A HCl
REF: 4Z-K-0635CAS: 23456-01-1 		- - -To inquireTue 07 Jan 25
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Ketotifen Impurity 7
REF: 4Z-K-0617CAS: 111428-56-9 		- - -To inquireTue 14 Jan 25
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Ketotifen Impurity 8
REF: 4Z-K-0618CAS: 4506-53-0 		- - -To inquireTue 14 Jan 25
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Ketotifen Impurity 18
REF: 4Z-K-0628		- - -To inquireTue 14 Jan 25
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Ketotifen fumarate
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Ketotifen fumarate

CAS:34580-14-8
Ketotifen fumarate (HC 20511 fumarate) is a cycloheptathiophene blocker of histamine H1 receptors and release …
Formula:
C23H23NO5S
Purity:
99.61% - ≥95%
Color and Shape:
Solid
Molecular weight:
425.5

Ref: TM-T0994

50mg38.00 €
100mg49.00 €
200mg68.00 €
1mL*10mM (DMSO)53.00 €
Estimated delivery in United States, on Tuesday 7 Jan 2025
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Ketotifen EP Impurity A (Ketotifen USP Related Compound A (Free Form))
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Ketotifen EP Impurity A (Ketotifen USP Related Compound A (Free Form))

CAS:4673-38-5
Formula:
C19H19NS
Color and Shape:
White To Off-White Solid
Molecular weight:
293.43

Ref: 4Z-K-062

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Estimated delivery in United States, on Tuesday 7 Jan 2025
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N-Nitroso-N-Desmethyl Ketotifen EP Impurity B
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N-Nitroso-N-Desmethyl Ketotifen EP Impurity B

Formula:
C19H20N2O3S
Molecular weight:
356.44

Ref: 4Z-K-0633

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Estimated delivery in United States, on Tuesday 7 Jan 2025
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N-Nitroso-N-Desmethyl Ketotifen EP Impurity A
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N-Nitroso-N-Desmethyl Ketotifen EP Impurity A

Formula:
C18H16N2OS
Molecular weight:
308.40

Ref: 4Z-K-0632

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N-Nitroso N-Desmethyl Ketotifen EP Impurity G
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N-Nitroso N-Desmethyl Ketotifen EP Impurity G

Formula:
C18H14N2O3S
Molecular weight:
338.38

Ref: 4Z-K-0631

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Ketotifen EP Impurity G
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Ketotifen EP Impurity G

CAS:43076-16-0
Formula:
C19H17NO2S
Color and Shape:
Yellow Solid
Molecular weight:
323.41

Ref: 4Z-K-068

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Ketotifen EP Impurity E
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Ketotifen EP Impurity E

CAS:1346603-71-1
Formula:
C19H19NOS
Color and Shape:
Pale Yellow Solid
Molecular weight:
309.43

Ref: 4Z-K-066

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Ketotifen Impurity 2
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Ketotifen Impurity 2

CAS:59743-84-9
Formula:
C14H10O2S
Color and Shape:
Pale Yellow Solid
Molecular weight:
242.29

Ref: 4Z-K-0610

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Ketotifen-13C-d3
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Ketotifen-13C-d3

CAS:2748522-40-7 34580-13-7
Formula:
C1813CH16D3NOS
Color and Shape:
Yellow Solid
Molecular weight:
313.44

Ref: 4Z-K-0612

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Ketotifen Impurity 4 HCl
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Ketotifen Impurity 4 HCl

Formula:
C19H19NOS·HCl
Color and Shape:
Red Brown Solid
Molecular weight:
309.43 36.46

Ref: 4Z-K-0614

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Ketotifen EP Impurity F Hemifumarate (Mixture of Enol and Ketone)
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Ketotifen EP Impurity F Hemifumarate (Mixture of Enol and Ketone)

Formula:
C19H19NOSC4H4O4
Color and Shape:
Off-White Solid
Molecular weight:
309.43 0.5*116.07

Ref: 4Z-K-067

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Ketotifen Fumarate
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Ketotifen Fumarate

CAS:34580-14-8
Formula:
C19H19NOS·C4H4O4
Color and Shape:
Off-White Solid
Molecular weight:
309.43 116.07

Ref: 4Z-K-061

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Ketotifen EP Impurity C
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Ketotifen EP Impurity C

CAS:126939-27-3
Formula:
C19H21NO2S
Color and Shape:
White To Off-White Solid
Molecular weight:
327.45

Ref: 4Z-K-064

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Ketotifen EP Impurity D (Ketotifen N-Oxide)
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Ketotifen EP Impurity D (Ketotifen N-Oxide)

CAS:88456-70-6
Formula:
C19H19NO2S
Color and Shape:
Pale Yellow Solid
Molecular weight:
325.43

Ref: 4Z-K-065

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Ketotifen EP Impurity B
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Ketotifen EP Impurity B

CAS:59743-88-3
Formula:
C20H23NO2S
Color and Shape:
Off-White Solid
Molecular weight:
341.47

Ref: 4Z-K-063

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Estimated delivery in United States, on Tuesday 7 Jan 2025
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N-Desmethyl Ketotifen EP Impurity B
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N-Desmethyl Ketotifen EP Impurity B

CAS:108914-77-8
Formula:
C19H21NO2S
Molecular weight:
327.44

Ref: 4Z-K-0636

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N-Desmethyl Ketotifen EP Impurity A HCl
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N-Desmethyl Ketotifen EP Impurity A HCl

CAS:23456-01-1
Formula:
C18H17NS·HCl
Molecular weight:
279.40 36.46

Ref: 4Z-K-0635

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Ketotifen Impurity 7
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Ketotifen Impurity 7

CAS:111428-56-9
Formula:
C14H9BrO2S
Molecular weight:
321.19

Ref: 4Z-K-0617

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Estimated delivery in United States, on Tuesday 14 Jan 2025
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Ketotifen Impurity 8
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Ketotifen Impurity 8

CAS:4506-53-0
Formula:
C13H8OS
Molecular weight:
212.27

Ref: 4Z-K-0618

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Estimated delivery in United States, on Tuesday 14 Jan 2025
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Ketotifen Impurity 18
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Ketotifen Impurity 18

Formula:
C18H16ClNOS
Molecular weight:
329.84

Ref: 4Z-K-0628

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Estimated delivery in United States, on Tuesday 14 Jan 2025
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