Impurity Standards

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Paroxetine EP Impurity E

Product Code:
DH/PRX/1005
Molecular Formula:
C19H20FNO3
CAS Number:
NA
Molecular Weight:
329.37
Synonyms: (3RS,4RS)-3-[(1,3-Benzodioxol-5-yloxy)methyl]-4-(4-fluorophenyl)piperidine


Paroxetine EP Impurity F

Product Code:
DH/PRX/1006
Molecular Formula:
C39H40F2N2O6
CAS Number:
606968-05-2
Molecular Weight:
670.74
Synonyms: Bis {3,4-methylenedioxy-6-[(3S,4R)-4-(4-fluorophenyl) piperidine-3 -ylmethoxy]phenyl} methane; Paroxetine Dimer; Methylene-Bis Paroxetine


Pantoprazole EP Impurity A

Product Code:
DH/PNT/1002
Molecular Formula:
C16H15F2N3O5S
CAS Number:
127780-16-9
Molecular Weight:
399.37
Synonyms: 5-(Difluoromethoxy)-2-[[(3,4-dimethoxypyridine-2-yl)methyl]sulphonyl]-1H-benzimidazole


Pantoprazole EP Impurity B

Product Code:
DH/PNT/1003
Molecular Formula:
C16H15F2N3O3S
CAS Number:
102625-64-9
Molecular Weight:
367.37
Synonyms: 5-(Difluoromethoxy)-2-[[(3,4-dimethoxy-2-pyridinyl)methyl]thio]-1H-benzimidazole


Pantoprazole EP Impurity C

Product Code:
DH/PNT/1004
Molecular Formula:
C8H6F2N2OS
CAS Number:
97963-62-7
Molecular Weight:
216.21
Synonyms: 5-(Difluoromethoxy)-1H-benzimidazole-2-thiol


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