Celecoxib EP Impurity A

CAS No :

170570-01-1

Molecular Formula:

C17H14F3N3O2S

Molecular Weight:

381.37

Chemical Name:

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

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Molecular Formula:​ C11H9F3O2

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Celecoxib Impurity 3

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Molecular Formula:​ C16H12F3N3O2S

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Celecoxib 2-Methyl Analog

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Molecular Formula:​ C17H14F3N3O2S

Molecular Weight: ​381.4

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4,4,4-Trifluorobutane

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Molecular Formula:​ C11H9F3O2

Molecular Weight: ​230.55

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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 Related Compound 1

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Molecular Formula:​ C9H10O

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Celecoxib Impurity 18

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Molecular Formula:​ C18H16F3N3O2S

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Celecoxib Impurity 16

CAS No: ​53764-99-1

Molecular Formula:​ C11H9F3O2

Molecular Weight: ​230.2

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Celecoxib EP Impurity B

CAS No: ​331943-04-5

Molecular Formula:​ C17H14F3N3O2S

Molecular Weight: ​381.37

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API – Impurities | Specialty Chemicals

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