Pharmaceutical Impurity Standards & Reference Standards

Browse our full catalog of pharmaceutical impurities, reference materials, and research chemicals.

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Impurity Standards

Ketoconazole Impurity 5

CAT No.-
CAS No.2234-16-4
Mol. F.C8H6Cl2O
Mol. W.189.04
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Impurity Standards

Ketoconazole Impurity 9 (KetoconazoleHydroxymethyl Impurity)

CAT No.-
CAS No.170210-42-1
Mol. F.C14H14Cl2N2O3
Mol. W.329.18
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Impurity Standards

Ketoconazole Impurity 6

CAT No.-
CAS No.1610851-15-4
Mol. F.C21H20Cl2N2O5S
Mol. W.483.37
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Impurity Standards

Ketoconazole Impurity 8 (rac-KetoconazoleHydroxymethyl Impurity)

CAT No.-
CAS No.61397-58-8
Mol. F.C14H14Cl2N2O3
Mol. W.329.18
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Impurity Standards

Ketoconazole Impurity 11

CAT No.-
CAS No.-
Mol. F.C14H14Cl2N2O3
Mol. W.329.18
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Impurity Standards

Ketoconazole Impurity 12

CAT No.-
CAS No.61441-65-4
Mol. F.C14H14Cl2N2O3
Mol. W.329.18
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KAEMPFEROL

Kaempferol 3-O-Galactoside

CAT No.-
CAS No.23627-87-4
Mol. F.C21H20O11
Mol. W.448.38
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KAEMPFEROL

Kaempferol

CAT No.-
CAS No.520-18-3
Mol. F.C15H10O6
Mol. W.286.24
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KAEMPFEROL

Kaempferol-3-Glucuronide

CAT No.-
CAS No.22688-78-4
Mol. F.C21H18O12
Mol. W.462.37
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KAEMPFEROL

Kaempferol-3-O-(6-Malonyl-Glucoside)

CAT No.-
CAS No.81149-02-2
Mol. F.C24H22O14
Mol. W.534.43
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