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| CAS号 : | 642-05-7 |
精确质量 : | 270.08900 |
| 分子式 : | C16H14O4 |
logP : | 3.75350 |
| 分子量 : | 270.28000 |
PSA : | 63.58000 |
别欧前胡素 | |
9-hydroxy-4-(3-methylbut-2-enyl)furo[3,2-g]chromen-7-one | |
642-05-7 | |
C16H14O4 | |
270.28000 | |
63.58000 | |
3.75350 | |
270.08900 |
|
1.641
|
|
|
241.8ºC
|
|
|
224-225ºC
|
|
|
1.298g/cm3
|
|
|
476.1ºC at 760 mmHg
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2932999099
|
品名, 成分含量, 用途 |
|
2932999099. 其他仅含氧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% |
|
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
