Vitamin D3 (Cholecalciferol) (C₂₇H₄₄O) — Properties, Uses & Safety

Overview

The sunshine vitamin synthesized in skin upon UV exposure; essential for calcium absorption and bone health.

IUPAC Name

(1S,3Z)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(2R)-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexan-1-ol

CAS Number

67-97-0

PubChem CID

5280795

Molecular Formula

C₂₇H₄₄O

Molar Mass

384.637 g/mol

State at STP

solid

Appearance

White crystalline solid