Impurity Standards

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Clarithromycin EP Impurity F

Product Code:
DH /CLM/1006
Molecular Formula:
C39H71NO13
CAS Number:
128940-83-0
Molecular Weight:
761.98
Synonyms: 12-O-Methyl Clarithromycin ; 6,12-Di-O-methylerythromycin A ;


Clarithromycin EP Impurity G

Product Code:
DH /CLM/1007
Molecular Formula:
C39H72N2O13
CAS Number:
127182-44-9
Molecular Weight:
776.99
Synonyms: Clarithromycin (9E)-O-Methyloxime ; 6-O-Methylerythromycin A (E)-9-(O-methyloxime) ;


Clarithromycin EP Impurity H

Product Code:
DH /CLM/1008
Molecular Formula:
C38H67NO14
CAS Number:
127140-69-6
Molecular Weight:
761.94
Synonyms: : N-Demethyl-N-formyl Clarithromycin ; 3″-N-Demethyl-3′-N-formyl-6-O-methylerythromycin A ; Erythromycin EP Impurity L;USP Clarithromycin Impurity H


Clarithromycin EP Impurity I

Product Code:
DH /CLM/1009
Molecular Formula:
C30H55NO10
CAS Number:
118058-74-5
Molecular Weight:
589.76
Synonyms: Des(cladinosyl) Clarithromycin ; 3-O-Decladinosyl-6-O-methylerythromycin A ;


Clarithromycin EP Impurity J

Product Code:
DH /CLM/1010
Molecular Formula:
C37H68N2O13
CAS Number:
13127-18-9
Molecular Weight:
748.94
Synonyms: 9-Erythromycin 9-Oxime; Erythromycin A Oxime ; Roxithromycin Impurity C ; Erythromycin A (E)-9-oxime ;


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