CAS No.: | 50-14-6 |
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Formula: | C28h44o |
EINECS: | 200-014-9 |
Packaging Material: | Metal |
Storage Method: | Frozen |
Shelf Life: | >12 Months |
Customization: |
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PRODUCT SPECIFICATIONS | ||
Product Name: | Vitamin D2 | |
Cas number: | 50-14-6 | |
Molecular formula | C28H44O | |
Standard | USP34 | |
ANALYSIS ITEMS | SPECIFICATION | TEST METHOD |
Description | Should be a white needle-shape crystal or white crystal powder; give out no smell, no taste; be easy to lose activity in air or light | |
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Examination | Dissolve 10mg of vitmain D2 into 2ml of 90% ethanol, add 2ml solution of digitalis saponin and incubate for 18hours. No precipitation or cloud should be observed. | |
Melting range | 115ºC~119ºC | |
Specific rotation | +103°~+106° | |
SolUBILITY | Freely soluble in alcohol | |
Reducing Substances | <20ppm | |
Assay | 97.0%~103.0% | |
Store condition | Store in airtight container, protected from light, At a temperature between 2~8ºC |
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