Impurity Standards

IP, USP and EP Compliant

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ENTECAVIR

Entecavir Impurity 4

CAT No.-
CAS No.-
Mol. F.C33H33N5O3
Mol. W.547.66
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ENTECAVIR

Entecavir Impurity 5

CAT No.-
CAS No.84868-56-4
Mol. F.C21H20O2
Mol. W.304.39
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ENTECAVIR

Entecavir Impurity 6 (ent-Entecavir-di-O-benzylEther)

CAT No.-
CAS No.1354695-82-1
Mol. F.C26H27N5O3
Mol. W.457.54
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ENTECAVIR

Entecavir Impurity 7

CAT No.-
CAS No.-
Mol. F.C21H27N5O3Si
Mol. W.425.57
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ENTECAVIR

Entecavir Impurity 8

CAT No.-
CAS No.-
Mol. F.C52H49N5O5
Mol. W.824.00
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ENTECAVIR

Entecavir Impurity 9

CAT No.-
CAS No.-
Mol. F.C52H49N5O5
Mol. W.824.00
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ENTECAVIR

Entecavir Impurity 10

CAT No.-
CAS No.-
Mol. F.C52H49N5O5
Mol. W.824.00
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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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ENTECAVIR

Entecavir EP Impurity A (1'-epi-Entecavir)

CAT No.-
CAS No.1367369-78-5
Mol. F.C12H15N5O3
Mol. W.277.29
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ENTACAPONE

Entacapone Impurity 3

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