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| CAS号 : | 17820-07-4 |
精确质量 : | 312.13600 |
| 分子式 : | C19H20O4 |
logP : | 4.14640 |
| 分子量 : | 312.36000 |
PSA : | 59.67000 |
去甲齿叶黄皮素 | |
5-hydroxy-2,2-dimethyl-6-(2-methylbut-3-en-2-yl)pyrano[2,3-h]chromen-8-one | |
17820-07-4 | |
C19H20O4 | |
312.36000 | |
59.67000 | |
4.14640 | |
312.13600 |
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1.575
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169.9ºC
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1.22E-09mmHg at 25°C
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1.185g/cm3
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474.8ºC at 760 mmHg
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2932999099
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品名, 成分含量, 用途 |
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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% |
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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% |
