5,6-trans-Vitamin D3

Description: 5,6-trans-Vitamin D3(5,6-trans-Cholecalciferol) is an isoform of Vitamin D3, which is converted from Vitamin D3 on the skin surface after light exposure. Target: Vitamin. Smiles: CC(C)CCC[C@@H](C)[C@H]1CC[C@H]2\C(CCC[C@]12C)=C\C=C1/C[C@@H](O)CCC1=C. References: Chen TC,et al. An evaluation of the biologic activity and vitamin D receptor binding affinity of the photoisomers of vitamin D3 and previtamin D3. J Nutr Biochem. 2000 May,11(5):267-72.