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| CAS号 : | 35154-55-3 |
精确质量 : | 418.12600 |
| 分子式 : | C21H22O9 |
logP : | 3.21720 |
| 分子量 : | 418.39400 |
PSA : | 105.82000 |
2-(3,4-二甲氧基苯基)-3-羟基-5,6,7,8-四甲氧基苯并吡喃-4-酮 | |
2-(3,4-dimethoxyphenyl)-3-hydroxy-5,6,7,8-tetramethoxychromen-4-one | |
35154-55-3 | |
C21H22O9 | |
418.39400 | |
105.82000 | |
3.21720 | |
418.12600 |
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1.579
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212.3ºC
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1.314g/cm3
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608.3ºC 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% |
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