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| CAS号 : | 1168-42-9 |
精确质量 : | 342.11000 |
| 分子式 : | C19H18O6 |
logP : | 3.49440 |
| 分子量 : | 342.34300 |
PSA : | 67.13000 |
4’,5,6,7-四甲氧基黄酮 | |
4',5,6,7-tetramethoxyflavone | |
1168-42-9 | |
C19H18O6 | |
342.34300 | |
67.13000 | |
3.49440 | |
342.11000 |
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1.574
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232.4ºC
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3.84E-11mmHg at 25°C
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142-143ºC
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1.243g/cm3
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525.7ºC at 760mmHg
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2914509090
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S22
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品名, 成分含量, 用途, 丙酮报明包装 |
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2914509090 含其他含氧基的酮. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0% |
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HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
