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| CAS号 : | 1244-92-4 |
精确质量 : | 344.10500 |
| 分子式 : | C22H16O4 |
logP : | 4.05060 |
| 分子量 : | 344.36000 |
PSA : | 52.60000 |
(E)-4-methoxy-2-(4-methoxy-1-oxonaphthalen-2(1H)-ylidene)naphthalen-1(2H)-one | |
1244-92-4 | |
C22H16O4 | |
344.36000 | |
52.60000 | |
4.05060 | |
344.10500 |
|
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% |
