Product Name Calcifediol hydrate Synonyms 25-Hydroxycholecalciferol monohydrate;Calcifediol Systematic Name 9,10-Secocholesta-5,7,10(19)-triene-3,25-diol, monohydrate, (3beta,5Z,7E)- CAS No. 63283-36-3 Molecular Formula C27H44O2.H2O Molecular Weight 418.65