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| CAS号 : | 39923-40-5 |
精确质量 : | 298.08400 |
| 分子式 : | C17H14O5 |
logP : | 3.18280 |
| 分子量 : | 298.29000 |
PSA : | 68.90000 |
4-hydroxy-7-methoxy-3-(4-methoxyphenyl)chromen-2-one | |
39923-40-5 | |
C17H14O5 | |
298.29000 | |
68.90000 | |
3.18280 | |
298.08400 |
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1.63
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177.2ºC
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476.8ºC at 760 mmHg
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1.342g/cm3
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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% |
