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
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Standard
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Result
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Appearance
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White or almost white crystals
|
White crystals
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Solubility
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Pratically insoluble in water, freely soluble in ethanol, soluble in trimethyl pentane and fatty oils.
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Corresponding
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Identification
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Infrared absorption spectrophotometry. Comparison: Cholecalciferol CRS.
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Corresponding
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Pre-cholecalciferol
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0.05% max
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Corresponding
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Trans-cholecalciferol
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0.1% max
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Corresponding
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Light absorption
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465~495
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473
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Specific optical rotation
|
105+112
|
110.6
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Organic Volatile Impurities
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Methanol
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Max 3000ppm
|
Not detected
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Hexane
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Max 290ppm
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Not detected
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Chlorobenzene
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Max 360 ppm
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Not detected
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Assay
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97.0~103.0%
|
97.2%
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38,800,000~41,200,000IU/G
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38,880,000IU/G
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Impurities
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Trans-VD3, Pro-VD3, L3, Iso-T3, T3
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Corresponding
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