Pharmaceutical Impurity Standards & Reference Standards

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

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Impurity Standards

Urapidil Impurity 5 DiHCl

CAT No.-
CAS No.-
Mol. F.C14H23N3O. 2 HCl
Mol. W.249.36 2 36.46
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Impurity Standards

Urapidil Impurity 4 (1,3-Dimethylbarbituric Acid)

CAT No.-
CAS No.769-42-6
Mol. F.C6H8N2O3
Mol. W.156.14
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Impurity Standards

Urapidil Impurity 6

CAT No.-
CAS No.35386-24-4
Mol. F.C11H16N2O
Mol. W.192.26
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Impurity Standards

Urapidil Impurity 7

CAT No.-
CAS No.-
Mol. F.C24H34N4O2
Mol. W.410.56
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Isotope Labelled Compounds

Uracil-13C-15N2

CAT No.-
CAS No.66-22-8 (non-labelled)
Mol. F.C4H4N2O2
Mol. W.115.06
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URANYL ACETATE

Uranyl Acetate (Oxyacetate Uranium)

CAT No.-
CAS No.541-09-3
Mol. F.C4H6O6U
Mol. W.388.12
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URAPIDIL

Urapidil HCl

CAT No.-
CAS No.64887-14-5
Mol. F.C20H29N5O3. HCl
Mol. W.387.49 36.46
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Isotope Labelled Compounds

Urapidil-d6

CAT No.-
CAS No.34661-75-1 (non-labelled)
Mol. F.C20H23N5O3D6
Mol. W.393.52
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Isotope Labelled Compounds

Urapidil-d8

CAT No.-
CAS No.34661-75-1 (non-labelled)
Mol. F.C20H21N5O3D8
Mol. W.395.53
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Impurity Standards

Urapidil Impurity 1

CAT No.-
CAS No.34654-81-4
Mol. F.C9H14ClN3O2
Mol. W.231.68
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