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| CAS号 : | 4431-47-4 |
精确质量 : | 284.06800 |
| 分子式 : | C16H12O5 |
logP : | 2.87980 |
| 分子量 : | 284.26300 |
PSA : | 79.90000 |
汉黄芩素 | |
5,8-dihydroxy-7-methoxy-2-phenylchromen-4-one | |
4431-47-4 | |
C16H12O5 | |
284.26300 | |
79.90000 | |
2.87980 | |
284.06800 |
|
1.668
|
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208.7ºC
|
|
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1.42g/cm3
|
|
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544ºC at 760mmHg
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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% |
|
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% |
