Impurity Reference Standard - Products

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Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Ketoconazole and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Ketoconazole impurities, metabolites, nitrosamine derivatives (N-NO compounds), and stable isotope-labeled products. These reference standards play a critical role in pharmaceutical R&D, supporting activities such as product formulation, ANDA and DMF submissions, quality assurance, analytical method development, and stability assessments.
All Ketoconazole-related substances undergo comprehensive characterization and are delivered with complete Certificates of Analysis and supporting analytical documentation to ensure regulatory adherence. Upon request, we can offer EP/USP traceable standards. Our products are routinely re-evaluated to maintain consistent quality and performance.

Ketoconazole

CAT No: CL-KTA-01 CAS No: 65277-42-1 Mol Wt: 531.4 Mol F: C26H28Cl2N4O4 Inv Status: Custom Synthesis

Chemical Name: 1-[(52RS,54SR)-52-(2,4-Dichlorophenyl)-3-oxa-1(1)-piperazina-7(1)-imidazola-5(2,4)-[1,3]dioxolana-2(1,4)-benzenaheptaphan-11-yl]ethan-1-one (as er EP) ; (?)-cis-1-Acetyl-4-(p-[[2-(2,4-dichlorophenyl)-2-(imidazol-1- ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl)piperazine

Ketoconazole Impurity 10

CAT No: CL-KTA-02 CAS No: 61441-65-4 Mol Wt: 329.2 Mol F: C14H14Cl2N2O3 Inv Status: Custom Synthesis

Chemical Name: ((2R,4R)-2-((1H-Imidazol-1-yl)methyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methanol

Ketoconazole Impurity 11

CAT No: CL-KTA-03 CAS No: 67914-60-7 Mol Wt: 220.3 Mol F: C12H16N2O2 Inv Status: In Stock

Chemical Name: 1-(4-(4-Hydroxyphenyl)piperazin-1-yl)ethan-1-one

Ketoconazole Impurity 12

CAT No: CL-KTA-04 CAS No: 84682-23-5 Mol Wt: 329.2 Mol F: C14H14Cl2N2O3 Inv Status: Custom Synthesis

Chemical Name: (2-((1H-Imidazol-1-yl)methyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methanol

Ketoconazole Impurity 13

CAT No: CL-KTA-05 CAS No: 170210-46-5 Mol Wt: 446.1 Mol F: C18H15BrCl2O4 Inv Status: Custom Synthesis

Chemical Name: ((2S,4S)-2-(Bromomethyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methyl benzoate

Ketoconazole Impurity 14

CAT No: CL-KTA-06 CAS No: 170210-50-1 Mol Wt: 407.3 Mol F: C15H16Cl2N2O5S Inv Status: Custom Synthesis

Chemical Name: ((2S,4S)-2-((1H-Imidazol-1-yl)methyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methyl methanesulfonate

Ketoconazole Impurity 17

CAT No: CL-KTA-07 CAS No: 61397-58-8 Mol Wt: 329.2 Mol F: C14H14Cl2N2O3 Inv Status: Custom Synthesis

Chemical Name: Rac-{(2R,4S)-2-(2,4-dichlorophenyl)-2-[(1H-imidazol-1-yl)methyl]-1,3-dioxolan-4-yl}methanol

Ketoconazole Impurity 18

CAT No: CL-KTA-08 CAS No: 1334423-12-9 Mol Wt: 497 Mol F: C26H29ClN4O4 Inv Status: Custom Synthesis

Chemical Name: 1-(4-(4-(((2R,4S)-2-((1H-Imidazol-1-yl)methyl)-2-(2-chlorophenyl)-1,3-dioxolan-4-yl)methoxy)phenyl)piperazin-1-yl)ethan-1-one

Ketoconazole Impurity 19

CAT No: CL-KTA-09 CAS No: 98405-42-6 Mol Wt: 544.3 Mol F: C23H25BrCl2N2O4 Inv Status: Custom Synthesis

Chemical Name: 1-(4-(4-((2-(Bromomethyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methoxy)phenyl)piperazin-1-yl)ethan-1-one

Ketoconazole Impurity 20

CAT No: CL-KTA-10 CAS No: 91458-32-1 Mol Wt: 497 Mol F: C26H29ClN4O4 Inv Status: Custom Synthesis

Chemical Name: 1-(4-(4-(((2R,4S)-2-((1H-Imidazol-1-yl)methyl)-2-(4-chlorophenyl)-1,3-dioxolan-4-yl)methoxy)phenyl)piperazin-1-yl)ethan-1-one

Ketoconazole Impurity 22

CAT No: CL-KTA-11 CAS No: 1253852-50-4 Mol Wt: 505.4 Mol F: C24H26Cl2N4O4 Inv Status: Custom Synthesis

Chemical Name: N-(2-((4-(((2S,4R)-2-((1H-imidazol-1-yl)methyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methoxy)phenyl)amino)ethyl)acetamide

Ketoconazole Impurity 26

CAT No: CL-KTA-12 CAS No: 133345-21-8 Mol Wt: 262.3 Mol F: C14H18N2O3 Inv Status: Custom Synthesis

Chemical Name: 4-(4-Acetylpiperazin-1-yl)phenyl acetate

Ketoconazole Impurity 3

CAT No: CL-KTA-13 CAS No: 170210-49-8 Mol Wt: 229.2 Mol F: C14H14Cl2N2O3 Inv Status: Custom Synthesis

Chemical Name: ((2S,4R)-2-((1H-Imidazol-1-yl)methyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methanol

Ketoconazole Impurity 5

CAT No: CL-KTA-14 CAS No: 2234-16-4 Mol Wt: 189 Mol F: C8H6Cl2O Inv Status: Custom Synthesis

Chemical Name: 1-(2,4-Dichlorophenyl)ethan-1-one

Ketoconazole Impurity 2

CAT No: CL-KTA-15 CAS No: NA Mol Wt: 611.49 Mol F: C26H28Cl2N4O7S Inv Status: In Stock

Chemical Name: 5-(((2R,4S)-2-((1H-imidazol-1-yl)methyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methoxy)-2-(4-acetylpiperazin-1-yl)benzenesulfonic acid

Ketoconazole EP Impurity D

CAT No: CL-KTA-16 CAS No: 67914-61-8 Mol Wt: 489.39 g/mol Mol F: C24H26Cl2N4O3 Inv Status: In Stock

Chemical Name: 1-[4-[[(2RS,4SR)-2-(2,4-Dichlorophenyl)-2-[(1H-imidazol-1-yl)methyl]-1,3-dioxolan-4-yl]methoxy]phenyl]piperazine

Ketoconazole Impurity 1

CAT No: CL-KTA-17 CAS No: NA Mol Wt: 503.42 g/mol Mol F: C25H28CL2N4O3 Inv Status: In Stock

Chemical Name: 1-(4-(((2R,4S)-2-((1H-imidazol-1-yl)methyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methoxy)phenyl)-4-methylpiperazine

Ketoconazole EP Impurity E

CAT No: CL-KTA-18 CAS No: 134071-44-6 Mol Wt: 483.37 g/mol Mol F: C21H20Cl2N2O5S Inv Status: In Stock

Chemical Name: 2-((1H-Imidazol-1-yl)methyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methyl 4-methylbenzenesulfonate

Ketoconazole N-Oxide

CAT No: CL-KTA-19 CAS No: 254912-65-7 Mol Wt: 529.42 Mol F: C26H26Cl2N4O4 Inv Status: In Stock

Chemical Name: 1-(4-(((2R,4S)-2-((1H-Imidazol-1-yl)methyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methoxy)phenyl)-4-acetylpiperazine 1-oxide

Type:Impurity Reference Standard

Total Products: 19

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