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| CAS号 : | 1178-24-1 |
精确质量 : | 432.14200 |
| 分子式 : | C22H24O9 |
logP : | 3.52020 |
| 分子量 : | 432.42100 |
PSA : | 94.82000 |
3,5,6,7,8,3',4'-七甲氧基黄酮 | |
2-(3,4-dimethoxyphenyl)-3,5,6,7,8-pentamethoxychromen-4-one | |
1178-24-1 | |
C22H24O9 | |
432.42100 | |
94.82000 | |
3.52020 | |
432.14200 |
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1.575
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268ºC
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3.12E-15mmHg at 25°C
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1.31g/cm3
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618.7ºC at 760 mmHg
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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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