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Dhamtec Pharma and Consultants-

Impurity Standards

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Paracetamol Impurity K

Product Code:
DH/PCT/1011		Molecular Formula:
C6H7NO
CAS Number:
123-30-8		Molecular Weight:
109.13
Synonyms: 4-Aminophenol


Paroxetine Imp A

Product Code:
DH/PRX/1001		Molecular Formula:
C19H21NO3
CAS Number:
324024-00-2		Molecular Weight:
311.37
Synonyms: (3S,4R)-3-[(1,3-Benzodioxol-5-yloxy)methyl]-4-phenylpiperidine


Paroxetine EP Impurity B

Product Code:
DH/PRX/1002		Molecular Formula:
C20H23NO4
CAS Number:
127017-69-0		Molecular Weight:
341.41
Synonyms: (3S,4R)-3-[(1,3-Benzodioxol-5-yloxy)methyl]-4-(4-methoxyphenyl) piperidine


Paroxetine EP Impurity C

Product Code:
DH/PRX/1003		Molecular Formula:
C21H25NO4
CAS Number:
1395408-54-4		Molecular Weight:
355.44
Synonyms: (3S,4R)-3-[(1,3-Benzodioxol-5-yloxy)methyl]-4-(4-ethoxyphenyl) piperidine


Paroxetine EP Impurity D

Product Code:
DH/PRX/1004		Molecular Formula:
C19H20FNO3
CAS Number:
130855-30-0		Molecular Weight:
329.37
Synonyms: (3R,4S)-(+)-3-[(1,3-Benzodioxol-5-yloxy) methyl]-4-(4-fluorophenyl)piperidine


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