Pharmaceutical Impurity Standards & Reference Standards

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

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ENTECAVIR

Entecavir Impurity 13

CAT No.-
CAS No.-
Mol. F.C32H33N5O4
Mol. W.551.65
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ENTECAVIR

Entecavir Impurity 14

CAT No.-
CAS No.-
Mol. F.C12H13N5O3
Mol. W.275.27
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ENTECAVIR

Entecavir Impurity 15

CAT No.-
CAS No.-
Mol. F.C12H11N5O3
Mol. W.273.25
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ENTACAPONE

Entacapone EP Impurity G

CAT No.-
CAS No.1364322-41-7
Mol. F.C11H9N3O5
Mol. W.263.21
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ENTACAPONE

Entacapone EP Impurity H

CAT No.-
CAS No.1150310-15-8
Mol. F.C15H15N3O5
Mol. W.317.30
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ENTACAPONE

Entacapone EP Impurity I

CAT No.-
CAS No.1364322-42-8
Mol. F.C13H12N2O6
Mol. W.292.25
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ENTACAPONE

Entacapone Impurity 3

CAT No.-
CAS No.-
Mol. F.C21H28N4O4
Mol. W.400.48
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ENTACAPONE

Entacapone Impurity 2

CAT No.-
CAS No.-
Mol. F.C22H29N5O6
Mol. W.459.51
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ENTACAPONE

Entacapone Dimer

CAT No.-
CAS No.-
Mol. F.C21H27N5O6
Mol. W.445.48
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ENTACAPONE

Entacapone Impurity 1

CAT No.-
CAS No.-
Mol. F.C14H15N3O5
Mol. W.305.29
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