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| CAS号 : | 840-32-4 |
精确质量 : | 257.02400 |
| 分子式 : | C14H8ClNO2 |
logP : | 3.50840 |
| 分子量 : | 257.67200 |
PSA : | 43.10000 |
6-氯-3-(4-吡啶基)-2H-1-苯并吡喃-2-酮 | |
6-chloro-3-pyridin-4-ylchromen-2-one | |
840-32-4 | |
C14H8ClNO2 | |
257.67200 | |
43.10000 | |
3.50840 | |
257.02400 |
|
1.648
|
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236ºC
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|
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1.396g/cm3
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|
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466.6ºC 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: |
