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| Контактная | ООО Нинбоская Компания
Фармацевтических Химикатов
«Инно» Адрес :11-ый этаж, Здание Хайгуан, №.298, Чжуншаньсилу, г. Нинбо Т е л. : 86-574-27787657 87319282 87314919 Факс. : 86-574-27912196 56877908 Веб-сайт:www.innopharmchem.com |
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| Estriol |
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Chemical Name:http://www.chemicalbook.com/Search.aspx?keyword=(16-alpha,17-beta)-estra-1,3,5(10)-triene-3,16,17-triol
Structural Formula:
CAS:50-27-1
Physicochemical Property:White or practically white crystalline powder.
Quality Standard():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% |
Package:1KG/tin
Usage:ovarian insufficiency or lack of ovarian hormone-induced symptoms
Storage:To be stored in a dry light-protected place at a temperature not exceeding 30 ºС.
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