Impurity Standards

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Chlorpheniramine Impurity A

Product Code:
DH /CPA/1001
Molecular Formula:
C16H24ClN3
CAS Number:
1246816-57-8
Molecular Weight:
293.83
Synonyms: 2-(4-Chlorophenyl)-4-(dimethylamino)-2-[2-(dimethylamino)ethyl]butanenitrile


Chlorpheniramine USP RC B

Product Code:
DH /CPA/1002
Molecular Formula:
C10H9N3
CAS Number:
1202-34-2
Molecular Weight:
171.20
Synonyms: Di(pyridin-2-yl)amine


Chlorpheniramine USP RC C

Product Code:
DH /CPA/1003
Molecular Formula:
C19H21ClN2O4
CAS Number:
22630-25-7
Molecular Weight:
376.83
Synonyms: 3-(4-Chlorophenyl)-N-methyl-3-(pyridin-2-yl)propan-1-amine maleate


Chlorpheniramine N-Oxide

Product Code:
DH /CPA/1004
Molecular Formula:
C16H19ClN2O
CAS Number:
120244-82-8
Molecular Weight:
290.80
Synonyms: 3-(4-Chlorophenyl)-N,N-dimethyl-2-pyridinepropanamine N-oxide


Chlorpromazine EP impurity A

Product Code:
DH /CPN/1001
Molecular Formula:
C₁₇H₁₉ClN₂OS
CAS Number:
969-99-3
Molecular Weight:
334.86
Synonyms: 3-(2-chloro-10H-phenothiazin-10-yl)-N,N-dimethylpropan-1-amine S-oxide


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