![Cholecalciferol Impurity B Pharmaceutical Secondary Standard; Certified Reference Material](/deepweb/assets/sigmaaldrich/product/structures/297/115/1d968974-7a55-499f-8688-93cbd10fce29/640/1d968974-7a55-499f-8688-93cbd10fce29.png)
Cholecalciferol Impurity B
![Cholecalciferol Impurity B Pharmaceutical Secondary Standard; Certified Reference Material](/deepweb/assets/sigmaaldrich/product/structures/297/115/1d968974-7a55-499f-8688-93cbd10fce29/640/1d968974-7a55-499f-8688-93cbd10fce29.png)
Synonym(s):
7-Dehydrocholesterol, (−)-7-Dehydrocholesterol, 3β-Hydroxy-5,7-cholestadiene, 5,7-Cholestadien-3β-ol, Provitamin D3
Empirical Formula (Hill Notation):
C27H44O
CAS Number:
Molecular Weight:
384.64
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