Celecoxib EP Impurity B

CAS No :

331943-04-5

Molecular Formula:

C17H14F3N3O2S

Molecular Weight:

381.37

Chemical Name:

4-[3-(4-Methylphenyl)-5-trifluoromethyl-1H-pyrazol-1-yl]benzenesulfonamide

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Celecoxib Related Compound 4

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Molecular Formula:​ C11H9F3O2

Molecular Weight: ​230.2

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Celecoxib Hydrazine Impurity

CAS No: ​4392-54-5 (free base) ; 17852-52-7(HCl Salt)

Molecular Formula:​ C6H9N3O2S

Molecular Weight: ​187.2

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Celecoxib Impurity 7

CAS No: ​163266-02-2

Molecular Formula:​ C11H9F3O2

Molecular Weight: ​230.2

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Celecoxib EP Impurity A

CAS No: ​170570-01-1

Molecular Formula:​ C17H14F3N3O2S

Molecular Weight: ​381.37

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Celecoxib 2-Methyl Analog

CAS No: ​170569-99-0

Molecular Formula:​ C17H14F3N3O2S

Molecular Weight: ​381.4

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Celecoxib Impurity 6

CAS No: ​219986-64-8

Molecular Formula:​ C11H9F3N2

Molecular Weight: ​226.2

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Celecoxib Diketo schiff’s base-II Impurity

CAS No: ​1061214-09-2

Molecular Formula:​ C17H15F3N2O3S

Molecular Weight: ​384.4

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Celecoxib Impurity 18

CAS No: ​170570-09-9

Molecular Formula:​ C18H16F3N3O2S

Molecular Weight: ​395.4

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Celecoxib Related Compound 3

CAS No: ​948293-46-7

Molecular Formula:​ C11H9F3N2

Molecular Weight: ​226.2

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API – Impurities | Specialty Chemicals

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