The chemical Calcifediol has a designated molecular formula of C27H46O3 and a molecular weight of 418.662 g/mol. Synonyms may include: Calcifediolum [INN-Latin], EINECS 242-990-9, Ro 8-8892, Calcifidiol, 25-Hydroxycholescalciferol, 25-Hydroxyvitamin D, 25-Hydroxyvitamin D3, 5,6-cis-25-Hydroxyvitamin D3, Calcidiol, Cholecalciferol, 25-hydroxy-, U 32070 E (ChemID).