ketotifen fumarate and its Impurities

Ketotifen Fumarate is used to treat allergic conjunctivitis. It is sold under the brand name Zaditor. It is most commonly sold as a salt with fumaric acid, ketotifen fumarate, and is available in two forms. Reference standards of Ketotifen Fumarate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 8 results for ketotifen fumarate Impurities
PA 11 07000

Ketotifen Fumarate

Ketotifen Fumarate

  • Catalogue No.:PA 11 07000

  • CAS :

    34580-14-8

  • Molecular Formula : C23H23NO5S

  • Molecular Weight : 425.50

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PA 11 07010

Ketotifen Fumarate - Impurity A

4-(4H-benzo[4,5]cyclohepta-[1,2-b]thiophen-4-ylidene)-1-methylpiperidine

  • Catalogue No.:PA 11 07010

  • CAS :

    4673-38-5

  • Molecular Formula : C19H19NS

  • Molecular Weight : 293.43

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PA 11 07020

Ketotifen Fumarate - Impurity B

4-Hydroxy-9,10-dehydro-10-methoxy Ketotifen

  • Catalogue No.:PA 11 07020

  • CAS :

    59743-88-3

  • Molecular Formula : C20H23NO2S

  • Molecular Weight : 341.47

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PA 11 07030

Ketotifen Fumarate - Impurity C

4-Hydroxy Ketotifen

  • Catalogue No.:PA 11 07030

  • CAS :

    126939-27-3

  • Molecular Formula : C19H21NO2S

  • Molecular Weight : 327.44

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PA 11 07040

Ketotifen Fumarate - Impurity D

Ketotifen N-Oxide

  • Catalogue No.:PA 11 07040

  • CAS :

    88456-70-6

  • Molecular Formula :  C19H19NO2S

  • Molecular Weight : 325.42

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PA 11 07050

Ketotifen Fumarate - Impurity E

4-Oxo Ketotifen

  • Catalogue No.:PA 11 07050

  • CAS :

    1346603-71-1

  • Molecular Formula : C19H19NOS

  • Molecular Weight : 309.43

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PA 11 07060

Ketotifen Fumarate - Impurity F

4-(1-Methylpiperidin-4-ylidene)-4,10-dihydro-9H-benzo[4,5]cyclohepta[1,2-b]thiophen-9-one

  • Catalogue No.:PA 11 07060

  • CAS :

    34580-09-1

  • Molecular Formula : C19H19NOS

  • Molecular Weight : 309.43

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PA 11 07070

Ketotifen Fumarate - Impurity G

4-(1-Methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-9,10-dione

  • Catalogue No.:PA 11 07070

  • CAS :

    43076-16-0

  • Molecular Formula : C19H17NO2S

  • Molecular Weight : 323.41

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CPHI INDIA- 28, 30 November