Impurity Standards

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Impurity Standards

Nitazoxanide Impurity 2

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CAS No.952686-58-7
Mol. F.C19H13N3O7S
Mol. W.427.39
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Impurity Standards

N-Desmethyl Sildenafil N-Glucuronide AmadoriRearrangement Impurity

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CAS No.-
Mol. F.C27H36N6O10S
Mol. W.636.69
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Impurity Standards

NAP226-90 (Rivastigmine EP Impurity A)

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CAS No.139306-10-8
Mol. F.C10H15NO
Mol. W.165.24
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N-Methyl Omeprazole Impurity 1

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CAS No.89352-76-1
Mol. F.C18H21N3O3S
Mol. W.359.44
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N-Methyl Omeprazole Impurity 2

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CAS No.784143-42-6
Mol. F.C18H21N3O3S
Mol. W.359.44
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Impurity Standards

Noscapine Impurity 5 (Opianic Acid) (Mixture ofTautomeric Isomers)

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CAS No.519-05-1
Mol. F.C10H10O5
Mol. W.210.19
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Noscapine Impurity 6 (Narcotoline)

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CAS No.521-40-4
Mol. F.C21H21NO7
Mol. W.399.40
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Impurity Standards

Noscapine Impurity 7 Sodium Salt (NoscapinicAcid Sodium Salt)

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CAS No.143976-78-7
Mol. F.C22H24NO8. Na
Mol. W.430.44 22.99
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Noscapine Impurity 8

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CAS No.64179-42-6
Mol. F.C10H12O5
Mol. W.212.20
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Impurity Standards

Noscapine Impurity 9 (Nor-Noscapine)

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CAS No.92621-03-9
Mol. F.C21H21NO7
Mol. W.399.40
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