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| CAS号 : | 63968-64-9 |
精确质量 : | 282.14700 |
| 分子式 : | C15H22O5 |
logP : | 2.39490 |
| 分子量 : | 282.33200 |
PSA : | 53.99000 |
青蒿素 | |
(+)-artemisinin | |
63968-64-9 | |
C15H22O5 | |
282.33200 | |
53.99000 | |
2.39490 | |
282.14700 |
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结晶固体
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Stable. Combustible. Incompatible with strong oxidizing agents, acids, acid chlorides, acid anhydrides. May absorb, and react with, carbon dioxide from the air.
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172ºC
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通风低温干燥
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156-157ºC
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1.24 g/cm3
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389.9ºC at 760 mmHg
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2932999099
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2
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S22; S24/25
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品名, 成分含量, 用途 |
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2932999099. 其他仅含氧杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0% |
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2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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1.取黄花蒿叶粉以5倍量乙醚冷浸3次,提取液浓缩至小体积;再用2% NaOH溶液除去酸性成分,蒸去乙醚,得中性醚提取物(得率为2%~3%);将此中性醚提取物,拌以聚酰胺粉,以47%乙醇渗漉,渗漉液浓缩至小体积;再以乙醚提取,合并乙醚液浓缩后用硅胶柱层析,以石油醚-10%乙酸乙酯洗脱,将10%乙酸乙酯石油醚洗脱液浓缩后结晶,即得青蒿素(得率0.2%)。 | |
用作抗疟药。 |