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Parecoxib Impurity 19 (Valdecoxib Impurity 10 (Desulfonamide))

  • CAS No: 37928-17-9
  • Molecular formula: C16H13NO
  • Molecular weight: 235.29

Parecoxib Sodium Salt

  • CAS No: 198470-85-8
  • Molecular formula: C19H17N2O4S.Na
  • Molecular weight: 369.42 22.99

Parecoxib Impurity 3

  • CAS No:
  • Molecular formula: C16H14N2O3S
  • Molecular weight: 314.37

Parecoxib Impurity 6 Sodium Salt

  • CAS No: 198470-92-7
  • Molecular formula: C20H19N2O4S.Na
  • Molecular weight: 383.45 22.99

Parecoxib Impurity 7

  • CAS No: 501093-49-8
  • Molecular formula: C16H14N2O4S
  • Molecular weight: 330.36

Parecoxib Impurity 9

  • CAS No:
  • Molecular formula: C17H18N2O4S
  • Molecular weight: 346.41

Parecoxib Impurity D

  • CAS No:
  • Molecular formula: C16H14N2O3S
  • Molecular weight: 314.37

Parecoxib Impurity E

  • CAS No:
  • Molecular formula: C19H17N2O4S.Na
  • Molecular weight: 369.42 22.99

Parecoxib Impurity 11

  • CAS No: 181696-12-8
  • Molecular formula: C16H14N2O3S
  • Molecular weight: 314.36

Parecoxib N-Oxide

  • CAS No:
  • Molecular formula: C19H18N2O5S
  • Molecular weight: 386.43

Parecoxib Impurity 12

  • CAS No: 2235371-89-6
  • Molecular formula: C19H18N2O4S
  • Molecular weight: 370.42

Parecoxib Impurity 13

  • CAS No:
  • Molecular formula: C16H13NO4S
  • Molecular weight: 315.34

Parecoxib Impurity 14

  • CAS No:
  • Molecular formula: C16H13NO7S2
  • Molecular weight: 395.4

Parecoxib Impurity 17

  • CAS No:
  • Molecular formula: C16H15NO2
  • Molecular weight: 253.3

Parecoxib Impurity 18

  • CAS No:
  • Molecular formula: C32H24N2O4S
  • Molecular weight: 532.61

Parecoxib Impurity 20

  • CAS No: 198470-84-7
  • Molecular formula: C19H18N2O4S
  • Molecular weight: 370.43

Reference material

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