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| CAS号 : | 1157-39-7 |
精确质量 : | 282.08900 |
| 分子式 : | C17H14O4 |
logP : | 3.47720 |
| 分子量 : | 282.29100 |
PSA : | 48.67000 |
4’,7-二甲氧基-异磺酮 | |
7-methoxy-3-(4-methoxyphenyl)chromen-4-one | |
1157-39-7 | |
C17H14O4 | |
282.29100 | |
48.67000 | |
3.47720 | |
282.08900 |
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1.598
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202.2ºC
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452.8ºC at 760mmHg
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161-163°C
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1.242g/cm3
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2.18E-08mmHg at 25°C
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3
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S22-S24/25
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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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