Impurity Standards

IP, USP and EP Compliant

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CEFMINOX

Cefminox Sodium Impurity 13

CAT No.-
CAS No.-
Mol. F.C14H17N3O7S2
Mol. W.403.42
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CEFMETAZOLE

Cefmetazole Impurity 14

CAT No.-
CAS No.-
Mol. F.C15H17N7O6S3
Mol. W.487.52
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CEFMETAZOLE

Cefmetazole Impurity 15

CAT No.-
CAS No.-
Mol. F.C14H19N7O4S3
Mol. W.445.53
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CEFIXIME

Cefixime Impurity B (E-isomer)

CAT No.-
CAS No.-
Mol. F.C15H17N5O6S2
Mol. W.427.45
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CEFMETAZOLE

Cefmetazole Impurity 1 (Cefmetazole Lactone)

CAT No.-
CAS No.70993-70-3
Mol. F.C13H13N3O5S2
Mol. W.355.39
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CEFMETAZOLE

Cefmetazole Impurity 2

CAT No.-
CAS No.-
Mol. F.C15H17N7O6S3
Mol. W.487.54
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CEFMETAZOLE

Cefmetazole Impurity 3

CAT No.-
CAS No.-
Mol. F.C13H16N6O5S3
Mol. W.432.50
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CEFMETAZOLE

Cefmetazole Impurity 4

CAT No.-
CAS No.-
Mol. F.C15H19N7O6S3
Mol. W.489.55
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CEFMETAZOLE

Cefmetazole Impurity 5

CAT No.-
CAS No.-
Mol. F.C13H15N3O5S2
Mol. W.357.41
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CEFMETAZOLE

Cefmetazole Impurity 6

CAT No.-
CAS No.-
Mol. F.C15H17N7O5S3
Mol. W.471.54
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