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| CAS号 : | 4143-64-0 |
精确质量 : | 254.05800 |
| 分子式 : | C15H10O4 |
logP : | 2.87120 |
| 分子量 : | 254.23700 |
PSA : | 70.67000 |
3',4'-二羟基黄酮 | |
2-(3,4-dihydroxyphenyl)chromen-4-one | |
4143-64-0 | |
C15H10O4 | |
254.23700 | |
70.67000 | |
2.87120 | |
254.05800 |
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1.698
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188.4ºC
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482.3ºC at 760 mmHg
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251-253°C
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1.443 g/cm3
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S26-S36
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R36/37/38
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2914501900
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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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