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low price VITAMIN D3 500,000IU/G VITAMIN D3 500,000IU/G discount bulk supply 67-97-0
low price VITAMIN D3 500,000IU/G discount bulk supply 67-97-0
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Vitamin D3, also known as Cholecalciferol has the physiological function to promote intestinal calcium absorption, regulate calcium and phosphorus metabolism and induce bone calcium and phosphorus calm, as well as promote bone growth and prevent rickets.
ITEM |
STANDARD |
RESULTS |
|
Appearance |
White or almost white crystals |
White crystals |
|
Solubility |
Practically insoluble in water, freely soluble in ethanol(96 percent), soluble in trimethylpentane and in fatty oils |
Complies |
|
Identification |
EP/USP |
Complies |
|
Specific optical rotation |
+105.0°- +112.0° |
+109.6° |
|
Content |
97.0-103.0% (38,800,000-41,200,000IU/G) |
98.6% 39,440,000IU/G |
|
Residual Solvents |
Methanol |
≤3000ppm |
31ppm |
Hexane |
≤290ppm |
1ppm |
|
Methyl formate |
≤100ppm |
50ppm |
|
Acetone |
≤5000ppm |
16ppm |
|
Benzene |
≤2ppm |
Not detected |
|
Related Substances |
A: Trans-vitamin D3 |
≤0.10% |
Complies |
B:Pro-vitamin D3 |
≤0.10% |
Complies |
|
C:Lumisterol3 |
≤0.10% |
Not detected |
|
D:Iso-tachysterol3 |
≤0.10% |
Not detected |
|
E:Tachysterol3 |
≤0.10% |
Not detected |
|
Unspecified Impurities |
≤0.10% |
Not detected |
|
Total |
≤1.00% |
Complies |
|
Conclusion |
The batch tested complies with current EP/USP |
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