Estriol |
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General information |
| Name: |
Estriol |
| CAS: |
50-27-1 |
| Molecular Formula: |
|
| Physicochemical Property: |
White or practically white crystalline powder. |
| File Status: |
|
| Packing: |
1KG/tin |
| Usage: |
ovarian insufficiency or lack of ovarian hormone-induced symptoms |
| Store: |
To be stored in a dry light-protected place at a temperature not exceeding 30 ºС. |
Other information of Estriol |
Tests Item | Standard | Characteristics | White or practically white crystalline powder. | Solubility | Practically insoluble in water, slightly soluble in ethanol 96% | Melting point | About 282℃ | Assay | 97.0%--103.0% | Specific optical rotation | +60°~ +65° | Loss on drying | ≤0.5% | Residue on ignition | ≤0.1% | Related substances | Any other impurity≤0.5% | | Single impurity≤0.5% | | Sum impurity≤1.0% | Residual organic solvents | Methanol ≤0.3% | | Cyclehexane≤0.388 | | Acetone ≤0.5% | | Ethanol ≤0.5% | Sulphated | ≤0.2% | Heavy metals | ≤0.001% |
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