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| CAS号 : | 18493-34-0 |
精确质量 : | 298.12100 |
| 分子式 : | C18H18O4 |
logP : | 3.60850 |
| 分子量 : | 298.33300 |
PSA : | 44.76000 |
2,4,4-三甲氧基查尔酮 | |
3-(2,4-dimethoxyphenyl)-1-(4-methoxyphenyl)prop-2-en-1-one | |
18493-34-0 | |
C18H18O4 | |
298.33300 | |
44.76000 | |
3.60850 | |
298.12100 |
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1.58
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212.1ºC
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478.3ºC at 760 mmHg
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1.139g/cm3
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2.6E-09mmHg at 25°C
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2933990090
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2933990090. 其他仅含氮杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0% | |
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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