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| CAS号 : | 17575-26-7 |
精确质量 : | 194.02200 |
| 分子式 : | C9H6O5 |
logP : | 0.90980 |
| 分子量 : | 194.14100 |
PSA : | 90.90000 |
4,5,7-三羟基香豆素 | |
4,5,7-trihydroxychromen-2-one | |
17575-26-7 | |
C9H6O5 | |
194.14100 | |
90.90000 | |
0.90980 | |
194.02200 |
|
1.767
|
|
|
188.4ºC
|
|
|
0mmHg at 25°C
|
|
|
1.782g/cm3
|
|
|
443.9ºC at 760mmHg
|
|
2932209090
|
品名, 成分含量, 用途 |
|
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% |
|
2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
|
2932209090. Other Lactones |
