... ,10-Secocholesta-5, 7,10 (19)-Trien-3beta-Ol; Cholecalciferol, Usp Grade 9,10-Secocholesta-5, 7,19 (19)-Trien ... , Usp Grade; Vitamin D3 ~ 40000 U / Mg; Colecalciferol; Vitamind; Cholecalciferol; 7-Dehydrogenase CholesterolCAS NO: 67-97-0EINECS Number: 200-673 ... D3 oil Chinese name: Vitamin D3 oil Chemical name: cholecalciferol sterol Chemical formula: C27H44O Properties and uses: a white odorless ...