Impurity Standards

IP, USP and EP Compliant

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Impurity Standards

Eszopiclone Impurity B

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CAS No.43200-81-3
Mol. F.C11H7ClN4O2
Mol. W.262.66
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Ergocalciferol Impurity 2 (Mixture ofDiastereomers)

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CAS No.-
Mol. F.C28H42O
Mol. W.394.64
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Ergocalciferol EP Impurity F

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CAS No.-
Mol. F.C28H42O
Mol. W.394.65
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Ergocalciferol (Vitamin D2) EP Impurity A (5,6-trans-Vitamin D2)

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CAS No.51744-66-2
Mol. F.C28H44O
Mol. W.396.66
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Ergocalciferol (Vitamin D2) Impurity 1 (WindausKetone)

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CAS No.55812-80-1
Mol. F.55812-80-1
Mol. W.276.47
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Ergocalciferol EP Impurity B (Ergosterol)

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CAS No.-
Mol. F.C28H44O
Mol. W.396.66
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Ergocalciferol EP Impurity C (Lumisterol)

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CAS No.-
Mol. F.C28H44O
Mol. W.396.66
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Ergocalciferol EP Impurity D (iso-Tachysterol)

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CAS No.-
Mol. F.C28H44O
Mol. W.396.66
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Impurity Standards

Ergocalciferol EP Impurity E (Tachysterol)

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CAS No.-
Mol. F.C28H44O
Mol. W.396.66
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Impurity Standards

Epirubicin Impurity 9

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CAS No.-
Mol. F.C29H34BrNO11
Mol. W.652.49
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