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| CAS号 : | 855-97-0 |
精确质量 : | 342.11000 |
| 分子式 : | C19H18O6 |
logP : | 3.49440 |
| 分子量 : | 342.34300 |
PSA : | 67.13000 |
3,4,5,7-四甲氧基黄酮 | |
2-(3,4-dimethoxyphenyl)-5,7-dimethoxychromen-4-one | |
855-97-0 | |
C19H18O6 | |
342.34300 | |
67.13000 | |
3.49440 | |
342.11000 |
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1.574
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233.9ºC
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528.8ºC at 760 mmHg
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195-197°C
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1.243g/cm3
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S22-S24/25
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2932999099
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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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<p>精细化工原料,医药中间体</p> |
