Product Details
CAS No.:67-97-0
MF:C27H44O
COLOR:White Crystalline Powder
Specifications
1.Competitive price
2. ISO inspection
3.GMP quality
4.In stock
Specification
Product Name: Vitamin D3 Powder/Vitamin D3 Cholecalciferol/Vitamin D3
Chemical Name: Cholecalciferol
Molecular Formula: C27H440
Molecular Weight: 384.65
Item
|
Standard
|
Result
|
Appearance
|
White or almost white crystals
|
White crystals
|
Solubility
|
Pratically insoluble in water, freely soluble in ethanol, soluble in trimethyl pentane and fatty oils.
|
Corresponding
|
Identification
|
Infrared absorption spectrophotometry.
Comparison: Cholecalciferol CRS.
|
Corresponding
|
Pre-cholecalciferol
|
0.05% max
|
Corresponding
|
Trans-cholecalciferol
|
0.1% max
|
Corresponding
|
Light absorption
|
465~495
|
473
|
Specific optical rotation
|
105+112
|
110.6
|
Organic Volatile Impurities
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Methanol
|
Max 3000ppm
|
Not detected
|
Hexane
|
Max 290ppm
|
Not detected
|
Chlorobenzene
|
Max 360 ppm
|
Not detected
|
Assay
|
97.0~103.0%
|
97.2%
|
38,800,000~41,200,000IU/G
|
38,880,000IU/G
|
Impurities
|
Trans-VD3, Pro-VD3, L3, Iso-T3, T3
|
Corresponding
|
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