VALDECOXIB

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Impurity Standards

Valdecoxib Impurity 9

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CAS No.-

Mol. F.C16H14N2O3S

Mol. W.314.36

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Impurity Standards

Valdecoxib 3'-Sulfonyl Chloride Impurity

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CAS No.1373038-57-3

Mol. F.C16H12ClNO3S

Mol. W.333.80

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Impurity Standards

Valdecoxib 3'-Sulfonamide Impurity

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CAS No.1373038-56-2

Mol. F.C16H14N2O3S

Mol. W.314.37

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Impurity Standards

Valdecoxib impurity (Ring-open N-OH)

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CAS No.26306-06-9

Mol. F.C14H13NO

Mol. W.211.27

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Impurity Standards

Valdecoxib Impurity 10 (Desulfonamide)(Parecoxib Impurity 19)

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CAS No.37928-17-9

Mol. F.C16H13NO

Mol. W.235.29

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Impurity Standards

Valdecoxib Impurity 10

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CAS No.198471-06-6

Mol. F.C18H16N2O4S

Mol. W.356.40

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Isotope Labelled Compounds

Valdecoxib-d3

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CAS No.-

Mol. F.C16H11N2O3SD3

Mol. W.317.38

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Impurity Standards

Valdecoxib Impurity 2

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CAS No.1391052-01-9

Mol. F.C17H16N2O3S

Mol. W.328.39

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Impurity Standards

Valdecoxib Impurity B

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CAS No.1373038-60-8

Mol. F.C32H25N3O6S2

Mol. W.611.69

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Impurity Standards

Valdecoxib Impurity 4

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CAS No.139395-94-1

Mol. F.C17H15NO

Mol. W.249.31

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