1)CAS:434-16-2 2)MF:C27H44O 3)OEM 4)High quality 5)Provitamin D3 Grade: medical grade . Assay: 4,000,000IU/G Usage: Used as API in the pharmacy trade , to produce preparation .Common name:Vitamin D3 Specification: 40,000,000 IU/gContent(%): 97.0-103.0Voluntary standards: BP2002,USP28,CP2005Property: Colorless needle property or white crystalline powderSpecific rotation: +105°- +112°(in absolute ...