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| CAS号 : | 883-09-0 |
精确质量 : | 208.07400 |
| 分子式 : | C11H12O4 |
logP : | 1.84160 |
| 分子量 : | 208.21100 |
PSA : | 66.76000 |
5,7-二羟基-2,2-二甲基-2,3-二氢-4H-苯并吡喃-4-酮 | |
5,7-dihydroxy-2,2-dimethyl-3H-chromen-4-one | |
883-09-0 | |
C11H12O4 | |
208.21100 | |
66.76000 | |
1.84160 | |
208.07400 |
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1.584
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162.7ºC
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404.3ºC at 760 mmHg
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1.308g/cm3
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2932999099
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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% |
