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 .

Specification:  40,000,000 IU/g

Content(%):   97.0-103.0

Voluntary standards:  BP2002,USP28,CP2005

Property:   Colorless needle property or white crystalline powder

Specific rotation:  +105°- +112°(in absolute ethyl alcohol)

Absorption coefficient:  465-495(at the wave length of 265nm)

Solubility:  easily soluble in ethanol, acetone, chloroform or aether, insoluble in water.

Use:   This product can cure and prevent the rachitis, halisterisis caused by the lack of Vitamin D. Used in the producing preparations and compound preparations. A•D preparation is for the use of human being,A•D•E compound preparation is for animal. Also used in the nutrition intensifying agent of milk powder and lacovo.

Storage and packaging:100g/bag ,0.5/1kg/tTIN, 2TIN/CTN,stored in cool and dry place.