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| CAS号 : | 31525-76-5 |
精确质量 : | 258.08900 |
| 分子式 : | C15H14O4 |
logP : | 2.98580 |
| 分子量 : | 258.26900 |
PSA : | 48.67000 |
5-methoxy-8,8-dimethylpyrano[2,3-f]chromen-2-one | |
31525-76-5 | |
C15H14O4 | |
258.26900 | |
48.67000 | |
2.98580 | |
258.08900 |
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1.57
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198.5ºC
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441.2ºC at 760 mmHg
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1.225g/cm3
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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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