17α-雌二醇丨57-91-0丨质量信息COA
分析证明
Certificate of Analysis
品名Product Name |
雌二醇17a-Estradiol CAS:57-91-0 |
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生产日期 Manufacturing Date |
2023/05/17 |
批号 Batch No. |
202305002 |
有效期 Expiry Date |
2026/05/16 |
数量 Quantity |
2kg |
检验依据 Reference Standard |
企标 |
包装 Packing |
2kg/bag |
检验项目 TEST |
质量标准 ACCEPTANCE CRITERIONS |
检验结果RESULTS |
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鉴别 Identification |
A:IR |
符合规定 conform |
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性状 Characteristics |
白色或类白色结晶性粉末 White or off-white crystalline powder |
符合规定 conform |
|
溶解度solubility |
溶于乙醇,丙酮,略溶于乙醚,氯仿。不溶于水 Soluble in ethyl alcohol,acetone,slight sol in ether,chloroform,insoluble in water |
符合规定 conform |
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熔点Melting point |
223.0 ~ 229.0℃ |
223.1-223.8℃ |
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比旋度 Specific rotation |
﹢51.0°~﹢56.0° |
﹢52.1° |
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含量Assay |
97 .0~ 103.0% |
99.50% |
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干燥失重 Loss on drying |
≤3.0% |
0.05% |
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有关物质 Related substances |
any individual impurity ≤0.2% total impurities ≤1.0% |
0.16% 0.76% |
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残留溶剂 Residual solvents |
乙酸乙酯ethyl acetate≤5000ppm 乙醇ethyl alcohol ≤5000ppm |
102ppm 58ppm |
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粒度 Particle size |
100%≤20μm |
100%≤20μm |
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结论 Conclusion |
符合以上标准 Conform the above standards |