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| CAS号 : | 874-54-4 |
精确质量 : | 140.02200 |
| 分子式 : | C5H4N2O3 |
logP : | 0.20830 |
| 分子量 : | 140.09700 |
PSA : | 75.65000 |
2-吡嗪羧酸4-氧化物 | |
4-oxidopyrazin-4-ium-2-carboxylic acid | |
874-54-4 | |
C5H4N2O3 | |
140.09700 | |
75.65000 | |
0.20830 | |
140.02200 |
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2933990090
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2933990090
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2933990090. 其他仅含氮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% | |
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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