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| CAS号 : | 14549-84-9 |
精确质量 : | 344.09000 |
| 分子式 : | C18H16O7 |
logP : | 2.89700 |
| 分子量 : | 344.31500 |
PSA : | 98.36000 |
2-(3,4-二甲氧基苯基)-5,7-二羟基-3-甲氧基-4-色酮 | |
2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-3-methoxychromen-4-one | |
14549-84-9 | |
C18H16O7 | |
344.31500 | |
98.36000 | |
2.89700 | |
344.09000 |
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1.653
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209.7ºC
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1.21E-13mmHg at 25°C
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1.45g/cm3
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571.1ºC at 760mmHg
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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% |
