Pharmaceutical Impurity Standards & Reference Standards

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

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Epalrestat

Epalrestat (E, E)-Isomer

CAT No.-
CAS No.N/A
Mol. F.C15H13NO3S2
Mol. W.319.40
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Epalrestat

Epalrestat (E, Z)-Isomer

CAT No.-
CAS No.N/A
Mol. F.C15H13NO3S2
Mol. W.319.40
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ENTECAVIR

Entecavir EP Impurity B

CAT No.-
CAS No.1367369-77-4
Mol. F.C12H15N5O3
Mol. W.277.29
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ENTECAVIR

Entecavir EP Impurity F

CAT No.-
CAS No.649761-24-0
Mol. F.C27H31N5O2Si
Mol. W.485.67
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ENTECAVIR

Entecavir EP Impurity C

CAT No.-
CAS No.-
Mol. F.C12H15N5O4
Mol. W.293.28
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ENTECAVIR

Entecavir Impurity E

CAT No.-
CAS No.N/A
Mol. F.C14H21N5O4Si
Mol. W.351.44
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ENTECAVIR

Entecavir EP Impurity E (8-Methoxy Entecavir)

CAT No.-
CAS No.-
Mol. F.C13H17N5O4
Mol. W.307.31
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ENTECAVIR

Entecavir

CAT No.-
CAS No.142217-69-4
Mol. F.C12H15N5O3
Mol. W.277.28
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ENTECAVIR

Entecavir Impurity 1

CAT No.-
CAS No.142217-78-5
Mol. F.C52H49N5O5
Mol. W.824.00
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ENTECAVIR

Entecavir Impurity 2

CAT No.-
CAS No.142217-79-6
Mol. F.C52H47N5O5
Mol. W.821.98
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