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| CAS号 : | 1176-88-1 |
精确质量 : | 418.12600 |
| 分子式 : | C21H22O9 |
logP : | 3.21720 |
| 分子量 : | 418.39400 |
PSA : | 105.82000 |
2-(3,4-dimethoxyphenyl)-5-hydroxy-3,6,7,8-tetramethoxychromen-4-one | |
1176-88-1 | |
C21H22O9 | |
418.39400 | |
105.82000 | |
3.21720 | |
418.12600 |
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1.599
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221.4ºC
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631.7ºC at 760mmHg
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1.37g/cm3
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1.49E-16mmHg 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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