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![噻吩并[3,4-b]噻吩结构式](https://www.chemicalbook.com/CAS/GIF/250-65-7.gif)
| CAS号 : | 250-65-7 |
精确质量 : | 139.97500 |
| 分子式 : | C6H4S2 |
logP : | 2.96280 |
| 分子量 : | 140.22600 |
PSA : | 56.48000 |
噻吩并[3,4-b]噻吩 | |
thieno[2,3-c]thiophene | |
250-65-7 | |
C6H4S2 | |
140.22600 | |
56.48000 | |
2.96280 | |
139.97500 |
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2934999090
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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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