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| CAS号 : | 25739-41-7 |
精确质量 : | 314.07900 |
| 分子式 : | C17H14O6 |
logP : | 2.88840 |
| 分子量 : | 314.28900 |
PSA : | 89.13000 |
毡毛美洲茶素; 4',5-二羟基-3',7-二甲氧基黄酮 | |
5-hydroxy-2-(4-hydroxy-3-methoxyphenyl)-7-methoxychromen-4-one | |
25739-41-7 | |
C17H14O6 | |
314.28900 | |
89.13000 | |
2.88840 | |
314.07900 |
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1.645
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213.1ºC
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567.5ºC at 760 mmHg
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1.402g/cm3
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1.76E-13mmHg at 25°C
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2914509090
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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% |