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Cholecalciferol

Cholecalciferol is a secosteroid derived from cholesterol, featuring a tetracyclic cyclohexane ring system with a 9,10-seco bond and a side chain containing a conjugated double bond between C22 and C23. The molecule includes a hydroxyl group at C3 and a methyl group at C25. As the parent drug, it serves as the biologically inactive precursor to calcitriol via sequential hydroxylation. This compound is utilized as an HPLC reference standard for quantifying vitamin D3 derivatives in pharmaceutical formulations.

On Request
Molecular Formula C27H44O
Molecular Weight 384.6000
CAS Number 67-97-0 ✓ Verified
PubChem CID 5280795 ↗
Purity N/A
Product Type API
Parent Drug Cholecalciferol
Lead Time On Request
IUPAC Name (1S,3Z)-3-[(2E)-2-[(1R,3aS,7aR)-7a-methyl-1-[(2R)-6-methylheptan-2-yl]-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexan-1-ol
Official Reference Standards
Std Catalog # Quantity Price
EP C2100000 ↗ 260 MG EUR 90.00
USP 1131009 ↗ 150 mg USD 309.00

📝 Synonyms

Vitamin D3 cholecalciferol 67-97-0 Colecalciferol Calciol Oleovitamin D3 Ricketon Deparal Arachitol Delsterol

🔬 Chemical Identifiers

C[C@H](CCCC(C)C)[C@H]1CC[C@@H]\2[C@@]1(CCC/C2=C\C=C/3\C[C@H](CCC3=C)O)C
InChI=1S/C27H44O/c1-19(2)8-6-9-21(4)25-15-16-26-22(10-7-17-27(25,26)5)12-13-23-18-24(28)14-11-20(23)3/h12-13,19,21,24-26,28H,3,6-11,14-18H2,1-2,4-5H3/b22-12+,23-13-/t21-,24+,25-,26+,27-/m1/s1
QYSXJUFSXHHAJI-YRZJJWOYSA-N

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