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Ketoconazole impurities and related standards

14 reference standards related to Ketoconazole held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.

CAS numbers are listed for 14 of 14; 12 entries carry a structure drawing.

Ketoconazole — related standards
CompoundCAS No.Catalogue No.FormulaMW
Ketoconazole Impurity 37 2095256-87-2 RS-K006010 C18H17BrCl2O5S 496.19
Ketoconazole Impurity 25 1253852-50-4 RS-K006001 C24H26Cl2N4O4 505.39
Ketoconazole Impurity 26 1334423-12-9 RS-K006002 C26H29ClN4O4 496.99
Ketoconazole EP Impurity E 134071-44-6 RS-K006003 C21H20Cl2N2O5S 483.36
Ketoconazole Impurity 24 1610851-14-3 RS-K006004 C21H20Cl2N2O5S 483.36
Ketoconazole Impurity 12 170210-39-6 RS-K006006 C18H15BrCl2O4 446.12
Ketoconazole Impurity 14 170210-42-1 RS-K006007 C14H14Cl2N2O3 329.18
Ketoconazole Impurity 41 170210-46-5 RS-K006008 C18H15BrCl2O4 446.12
Ketoconazole EP Impurity A 254912-63-5 RS-K006011 C26H26Cl2N4O4 529.42
Ketoconazole Impurity 8 (rac-Ketoconazole Hydroxymethyl Impurity) 61397-58-8 RS-K006012 C14H14Cl2N2O3 329.18
Ketoconazole EP Impurity D 67914-61-8 RS-K006013 C24H26Cl2N4O3 489.4
Ketoconazole EP Impurity C 83374-59-8 RS-K006014 C26H28Cl2N4O4 531.43
Ketoconazole Impurity 15 1610851-15-4 RS-K006005 C21H20Cl2N2O5S 483.36
Ketoconazole Impurity 11 170210-49-8 RS-K006009 C14H14Cl2N2O3 329.18

Structures

Cannot find the impurity you need? Non-compendial impurities can be quoted from a structure — a CAS number is not required. Write to [email protected].