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| CAS号 : | 958-55-4 |
精确质量 : | 239.05800 |
| 分子式 : | C14H9NO3 |
logP : | 2.88850 |
| 分子量 : | 239.22600 |
PSA : | 55.67000 |
3-(2-氧代-2H-1-苯并吡喃-3-基)吡啶 1-氧化物 | |
3-(1-oxidopyridin-1-ium-3-yl)chromen-2-one | |
958-55-4 | |
C14H9NO3 | |
239.22600 | |
55.67000 | |
2.88850 | |
239.05800 |
|
1.64
|
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284.7ºC
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|
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1.29g/cm3
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|
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547.1ºC at 760 mmHg
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2934999090
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品名, 成分含量, 用途 |
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2934999090. 其他杂环化合物. 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% |
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2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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2934999090. Other nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds. General tariff: |
