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Cholecalciferol EP Impurity A

Cholecalciferol EP Impurity A

Catalogue No.: VE005880
CAS No.: 22350-41-0

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Name: Cholecalciferol EP Impurity A
Catalogue No. VE005880
CAS No. 22350-41-0
Molecular Formula C27H44O
Molecular Weight 384.64 g/mol
Status Under Development
IUPAC Name (1S,3E)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(1R)-1,5-Dimethylhexyl]octahydro-7a-methyl-4H-inden-4-ylidene]ethylidene]-4-methylenecyclohexanol
Synonyms 5,6-trans-Cholecalciferol
Description Cholecalciferol EP Impurity A (CAS No: 22350-41-0) or 5,6-trans-Cholecalciferol is the major photoisomer of Vitamin D3. It is a biologically active analog of cholecalciferol (vitamin D). 5,6-trans-Cholecalciferol is studied for the biosynthesis of the Cholecalciferol-Dependent Calcium-Binding Protein in the Small Intestine of the Rachitic Chick.
References Lawson, D. Eric M., and Phillip A. Bell. “Metabolism of Dihydrotachysterol and 5,6-Trans-Cholecalciferol in the Chick and the Rat.” Biochemical Journal, vol. 142, no. 1, July 1974, pp. 37–46, https://doi.org/10.1042/bj1420037. ‌Tian, X. Q., et al. “Kinetic and Thermodynamic Studies of the Conversion of Previtamin D3 to Vitamin D3 in Human Skin.” Journal of Biological Chemistry, vol. 268, no. 20, July 1993, pp. 14888–92, https://doi.org/10.1016/s0021-9258(18)82416-4. ‌Jones, L. T., et al. “The

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