Impurity Standards

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Ketoconazole EP Impurity C

Product Code:
DH/KTL/1003
Molecular Formula:
C26H28Cl2N4O4
CAS Number:
83374-59-8
Molecular Weight:
531.4
Synonyms: 1-Acetyl-4-[4-[[(2RS,4RS)-2-(2,4-dichlorophenyl)-2-(1H-imidazol-1-yl-methyl)-1,3-dioxolan-4-yl]methoxy]phenyl]-piperazine


Ketoconazole EP Impurity D

Product Code:
DH/KTL/1004
Molecular Formula:
C24H26Cl2N4O3
CAS Number:
67914-61-8
Molecular Weight:
489.39
Synonyms: 1-[4-[[(2RS,4SR)-2-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-yl-methyl)-1,3-dioxolan-4-yl]methoxy]phenyl]piperazine


Ketoconazole EP Impurity E

Product Code:
DH/KTL/1005
Molecular Formula:
C21H20Cl2N2O5S
CAS Number:
134071-44-6
Molecular Weight:
483.36
Synonyms: [(2RS,4SR)-2-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-yl-methyl)-1,3-dioxolan- 4-yl]methyl


Ketorolac EP Impurity A

Product Code:
DH/KRC/1001
Molecular Formula:
C14H13NO2
CAS Number:
154476-25-2
Molecular Weight:
227.26
Synonyms: (1RS)-5-Benzoyl-2,3-dihydro-1H-pyrrolizin-1-ol


Ketorolac EP Impurity B

Product Code:
DH/KRC/1002
Molecular Formula:
C14H11NO2
CAS Number:
113502-52-6
Molecular Weight:
225.24
Synonyms: 5-Benzoyl-2,3-dihydro-1H-pyrrolizine-1-one


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