Impurity Standards

IP, USP and EP Compliant

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CEFMETAZOLE

Cefmetazole Impurity 7 (Mixture of Isomers)

CAT No.-
CAS No.64278-70-2
Mol. F.C24H22N6O3S3
Mol. W.538.66
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CEFMETAZOLE

Cefmetazole Impurity 8

CAT No.-
CAS No.56796-16-8
Mol. F.C15H17N3O7S2
Mol. W.415.45
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CEFMETAZOLE

Cefmetazole Impurity 9

CAT No.-
CAS No.-
Mol. F.C15H18N6O7S2
Mol. W.458.46
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CEFMETAZOLE

Cefmetazole Impurity 10

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CAS No.-
Mol. F.C13H14N6O5S2
Mol. W.398.41
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CEFMETAZOLE

Cefmetazole Impurity 11

CAT No.-
CAS No.-
Mol. F.C13H15N3O6S2
Mol. W.373.40
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CEFMETAZOLE

Cefmetazole Impurity 12

CAT No.-
CAS No.-
Mol. F.C13H17N3O7S2
Mol. W.391.41
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CEFMETAZOLE

Cefmetazole Impurity 13

CAT No.-
CAS No.-
Mol. F.C11H14N6O4S2
Mol. W.358.39
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CEFIXIME

Cefixime Impurity (7-AVCA)

CAT No.-
CAS No.79349-82-9
Mol. F.C9H10N2O3S
Mol. W.226.25
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CEFIXIME

Cefixime Impurity 1

CAT No.-
CAS No.80544-17-8
Mol. F.C8H9N3O5S
Mol. W.259.24
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CEFEPIME

Cefepime Impurity B

CAT No.-
CAS No.-
Mol. F.C25H29N9O7S3
Mol. W.663.76
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