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  • 7-Dehydrocholesterol

7-Dehydrocholesterol

CAS No.: 434-16-2
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Application:

7- Dehyrocholesterol is an important intermediate for synthesis of Vitamin D3, additive for skin-care cosmestics to prevent from UV radiation and skin disease.

7-Dehydrocholesterol Specification

AppearanceAlmost white or yellowish crystalline powderr
Standard Packing1kgs/bag or per customer request
Assay (HPLC)≥ 95% or ≥ 97%
InventoryNormally we have 7-Dehydrocholesterol in stock
optical activity [α]20D−116±6°, c = 1% in chloroform

Melting point148-152 °C
7-Dehydrocholesterol physical parameters
Loss on drying≤ 0.5%
CAS No:434-16-2



FormulaC22H44O



Molecular Weight384.64



Synonym(−)-7-Dehydrocholesterol, 3β-Hydroxy-5,7-cholestadiene, 5,7-Cholestadien-3β-ol, Provitamin D3



Structure7-Dehydrocholesterol













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