Pharmaceutical Impurity Standards & Reference Standards

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

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Reference Standards

Udenafil

CAT No.-
CAS No.268203-93-6
Mol. F.C25H36N6O4S
Mol. W.516.67
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Isotope Labelled Compounds

Udenafil-d7

CAT No.-
CAS No.N/A
Mol. F.C25H29N6O4SD7
Mol. W.523.71
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Impurity Standards

Udenafil Impurity 1

CAT No.-
CAS No.N/A
Mol. F.C18H22N4O5S
Mol. W.406.46
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Impurity Standards

Udenafil Impurity 2

CAT No.-
CAS No.268204-07-5
Mol. F.C24H34N6O4S
Mol. W.502.64
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Reference Standards

Ulifloxacin

CAT No.-
CAS No.112984-60-8
Mol. F.C16H16FN3O3S
Mol. W.349.39
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Isotope Labelled Compounds

Ulifloxacin-d8

CAT No.-
CAS No.1246820-95-0
Mol. F.C16H8FN3O3SD8
Mol. W.357.43
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ULIFLOXACIN

Ulifloxacin Acyl Glucuronide

CAT No.-
CAS No.-
Mol. F.C22H26FN3O9S
Mol. W.527.53
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FATTY ACID

Undecanedioic Acid

CAT No.-
CAS No.1852-04-6
Mol. F.C11H20O4
Mol. W.216.28
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ETHYLENE GLYCOL

Undecaethylene Glycol

CAT No.-
CAS No.6809-70-7
Mol. F.C22H46O12
Mol. W.502.60
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ETHANE

Urethane-d5

CAT No.-
CAS No.73962-07-9
Mol. F.C3H2NO2D5
Mol. W.94.12
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