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Active ingredient: Vitamin D4 (Dihydrotachysterol) - Chemisty and Biological Activity

Chemisty and Biological Activity

Chemical Formula


Chemical Name

3-[2-[7a-methyl-1-(1,4,5-trimethylhex-2-enyl)-1,2,3,3a,5,6,7,7a- octahydroinden-4-ylidene]ethylidene]-4-methyl-cyclohexan-1-ol

Chemical Structure

Molecular Weight

398.664 g/mol

Physical State


Melting Point

126 oC

Water Solubility

Not Available

Isoelectric Point

Not Available

Organisms Affected

Humans and other mammals

Phase 1 Metabolising Enzyme (1-st Step of Metabolism)

Not Available

Primary Drug Target
NameVitamin D Receptor
Gene NameVDR
SynonymsVitamin D3 receptor; VDR; 1,25-dihydroxyvitamin D3 receptor
Specific FunctionNuclear hormone receptor. VDR mediates the action of vitamin D3 by controlling the expression of hormone sensitive genes

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