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| CAS号 : | 64267-17-0 |
精确质量 : | 378.07400 |
| 分子式 : | C21H14O7 |
logP : | 3.14760 |
| 分子量 : | 378.33200 |
PSA : | 95.95000 |
3,3-羰基二(7-甲氧基香豆素) | |
7-methoxy-3-(7-methoxy-2-oxochromene-3-carbonyl)chromen-2-one | |
64267-17-0 | |
C21H14O7 | |
378.33200 | |
95.95000 | |
3.14760 | |
378.07400 |
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亮黄色结晶粉末
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1.638
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285.4ºC
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271ºC
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1.425 g/cm3
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649.2ºC at 760 mmHg
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2932209090
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S24/25
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品名, 成分含量, 用途 |
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2932209090. 其他内酯. 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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2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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2932209090. Other Lactones |
