Customization: | Available |
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CAS No.: | 41294-56-8 |
Formula: | 41294-56-8 |
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Package | carton drum with two plastic bags inside |
Net weight | 25KG/Drum |
Storage | Sealed in cool and dry place to avoid moisture and light |
Shelf life | 2 years when properly stored |
Lead time | 1~3 days after confirmation |
Test Items | Test Standard |
Characteristics | White or off-white crystal |
Identification | Infrared spectrum corresponds to that of the standard preparation |
UVmax peak: 262~266nm | |
The principal peak in the chromatogram obtained with the test solution is similar in retention time and size to the principal peak in the chromatogram obtained with reference solution. |
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Solubility | Practically insoluble in water,freely soluble inalcohol (96%), soluble in fatty oils. |
Residual Solvents | Triazoline adduct of pre- Alfacalcidol: NMT 0.5% |
Trans- Alfacalcidol: NMT 0. 5% | |
1- Alfacalcidol: NMT 0.5 % | |
Unknown single impurity: NMT 0.1% | |
Total impurities: NMT 1.0% | |
Purity | ≥99.0% |
Assay | 97.0~102.0% |
Storage | In N2, air/light free, better 2~8oC. |