VITAMIN

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Impurity Standards

Ergocalciferol Impurity 2 (Mixture ofDiastereomers)

CAT No.-

CAS No.-

Mol. F.C28H42O

Mol. W.394.64

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Impurity Standards

Ergocalciferol EP Impurity F

CAT No.-

CAS No.-

Mol. F.C28H42O

Mol. W.394.65

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Impurity Standards

Ergocalciferol (Vitamin D2) EP Impurity A (5,6-trans-Vitamin D2)

CAT No.-

CAS No.51744-66-2

Mol. F.C28H44O

Mol. W.396.66

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Impurity Standards

Ergocalciferol (Vitamin D2) Impurity 1 (WindausKetone)

CAT No.-

CAS No.55812-80-1

Mol. F.55812-80-1

Mol. W.276.47

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Impurity Standards

Ergocalciferol EP Impurity B (Ergosterol)

CAT No.-

CAS No.-

Mol. F.C28H44O

Mol. W.396.66

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Impurity Standards

Ergocalciferol EP Impurity C (Lumisterol)

CAT No.-

CAS No.-

Mol. F.C28H44O

Mol. W.396.66

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Impurity Standards

Ergocalciferol EP Impurity D (iso-Tachysterol)

CAT No.-

CAS No.-

Mol. F.C28H44O

Mol. W.396.66

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Impurity Standards

Ergocalciferol EP Impurity E (Tachysterol)

CAT No.-

CAS No.-

Mol. F.C28H44O

Mol. W.396.66

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Isotope Labelled Compounds

Ergocalciferol (Vitamin D2)-d6

CAT No.-

CAS No.50-14-6 (non-d)

Mol. F.C28H38OD6

Mol. W.402.70

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VITAMIN

Ergocalciferol Sulfate

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CAS No.N/A

Mol. F.C28H44O4S

Mol. W.476.72

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