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| CAS号 : | 1162-82-9 |
精确质量 : | 312.10000 |
| 分子式 : | C18H16O5 |
logP : | 3.48580 |
| 分子量 : | 312.31700 |
PSA : | 57.90000 |
5,7-二甲氧基-3-(4-甲氧基苯基)-4H-1-苯并吡喃-4-酮 | |
5,7-dimethoxy-3-(4-methoxyphenyl)chromen-4-one | |
1162-82-9 | |
C18H16O5 | |
312.31700 | |
57.90000 | |
3.48580 | |
312.10000 |
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1.585
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225.5ºC
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506.5ºC at 760mmHg
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1.242g/cm3
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2.21E-10mmHg 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% |
|
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% |
