41294-56-8 Alfacalcidol alphacalcidol
Product name
Other names
CAS41294-56-8MFC27H44O2Appearance White powderPurity 99%MINStructure ApplicationAlfacalcidol is a non-selective VDR activator medication.
Item |
Requirements |
Test Results |
Appearance |
White or almost white crystals |
Complies |
Solubility |
Practically insoluble in water, freely soluble in ethanol (96%), soluble in fatty oils |
Complies |
Identification |
|
|
|
Infrared spectrum corresponds to that of the standard preparation |
Complies |
|
The retention time of the major peak in the chromatogram corresponds to that in the chromatogram of standard preparation |
Complies |
Related Compounds |
|
|
Trans-alfacalcidol |
≤0.5% |
ND |
1β-calcidol |
≤0.5% |
ND |
Triazoline adduct of pre-alfacalcidol |
≤ 0.5% |
ND |
Any other individual impurity |
≤0.1% |
Complies |
Total impurities |
≤ 1.0% |
0.17% |
Purity |
≥99.0% |
99.83% |
Loss on Drying |
≤ 0.5% |
0.20% |
Heavy Metals |
≤ 20 ppm |
Complies |
Residue on Ignition |
≤ 0.1% |
0.08% |
Assay |
97.0~102.0% |
99.85% |
Conclusion |
Meets the Requirements |
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