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| CAS号 : | 1247-97-8 |
精确质量 : | 372.12100 |
| 分子式 : | C20H20O7 |
logP : | 3.50300 |
| 分子量 : | 372.36900 |
PSA : | 76.36000 |
栎精-3,5,7,3,4-五甲醚 | |
2-(3,4-dimethoxyphenyl)-3,5,7-trimethoxychromen-4-one | |
1247-97-8 | |
C20H20O7 | |
372.36900 | |
76.36000 | |
3.50300 | |
372.12100 |
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1.588
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246.9ºC
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1.18E-12mmHg at 25°C
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152-156ºC
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1.29 g/cm3
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561.9ºC at 760 mmHg
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2914509090
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品名, 成分含量, 用途, 丙酮报明包装 |
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2914509090 含其他含氧基的酮. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0% |
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HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
