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| CAS号 : | 18103-42-9 |
精确质量 : | 344.09000 |
| 分子式 : | C18H16O7 |
logP : | 2.89700 |
| 分子量 : | 344.31500 |
PSA : | 98.36000 |
5,7-二羟基-3’,4’,5’-三甲氧基黄酮 | |
3',4',5'-O-trimethyltricetin | |
18103-42-9 | |
C18H16O7 | |
344.31500 | |
98.36000 | |
2.89700 | |
344.09000 |
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1.627
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206.2ºC
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562.4ºC at 760mmHg
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266-276ºC
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1.387g/cm3
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2.96E-13mmHg at 25°C
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2914509090
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2933990090
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2933990090. 其他仅含氮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% | |
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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