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| CAS号 : | 6601-66-7 |
精确质量 : | 342.11000 |
| 分子式 : | C19H18O6 |
logP : | 3.49440 |
| 分子量 : | 342.34300 |
PSA : | 67.13000 |
4',5,7,8-四甲氧基黄酮 | |
5,7,8-trimethoxy-2-(4-methoxyphenyl)chromen-4-one | |
6601-66-7 | |
C19H18O6 | |
342.34300 | |
67.13000 | |
3.49440 | |
342.11000 |
|
2914509090
|
品名, 成分含量, 用途, 丙酮报明包装 |
|
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% |
