CAS Number: N/A

Alternate CAS#:

Chemical Name: Parecoxib Impurity 25

Molecular Formula: C20H19NO4S

Molecular Weight: 369.44

CAS Number: N/A

Alternate CAS#:

Chemical Name: Parecoxib Impurity 24

Molecular Formula: C18H15N2O4S. Na

Molecular Weight: 355.39 22.99

CAS Number: N/A

Alternate CAS#:

Chemical Name: Parecoxib Impurity 23

Molecular Formula: C19H17NO5S

Molecular Weight: 371.41

CAS Number: N/A

Alternate CAS#:

Chemical Name: Parecoxib Impurity 22

Molecular Formula: C17H15NO4S

Molecular Weight: 329.37

CAS Number: 2304623-35-4

Alternate CAS#:

Chemical Name: Parecoxib Impurity 21

Molecular Formula: C16H14N2O3S

Molecular Weight: 314.36

CAS Number: 2304623-36-5

Alternate CAS#:

Chemical Name: Parecoxib Impurity 20

Molecular Formula: C19H18N2O4S

Molecular Weight: 370.42

CAS Number: 37928-17-9

Alternate CAS#:

Chemical Name: Parecoxib Impurity 19 (Valdecoxib Impurity 10 (Desulfonamide))

Molecular Formula: C16H13NO

Molecular Weight: 235.29

CAS Number: N/A

Alternate CAS#:

Chemical Name: Parecoxib Impurity 17

Molecular Formula: C16H15NO2

Molecular Weight: 253.3

CAS Number: N/A

Alternate CAS#:

Chemical Name: Parecoxib Impurity 16

Molecular Formula: C18H17NO4S

Molecular Weight: 343.4

CAS Number: N/A

Alternate CAS#:

Chemical Name: Parecoxib Impurity 14

Molecular Formula: C16H13NO7S2

Molecular Weight: 395.4

CAS Number: N/A

Alternate CAS#:

Chemical Name: Parecoxib Impurity 13

Molecular Formula: C16H13NO4S

Molecular Weight: 315.34

CAS Number: N/A

Alternate CAS#:

Chemical Name: Parecoxib Impurity 12

Molecular Formula: C19H18N2O4S

Molecular Weight: 370.42