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![3,4-二氨基噻吩并[2,3-b]噻吩-2,5-二羧酸二乙酯结构式](https://www.chemicalbook.com/CAS/GIF/4004-20-0.gif)
| CAS号 : | 4004-20-0 |
精确质量 : | 314.03900 |
| 分子式 : | C12H14N2O4S2 |
logP : | 3.64300 |
| 分子量 : | 314.38100 |
PSA : | 161.12000 |
3,4-二氨基噻吩并[2,3-b]噻吩-2,5-二羧酸二乙酯 | |
diethyl 3,4-diaminothieno[2,3-b]thiophene-2,5-dicarboxylate | |
4004-20-0 | |
C12H14N2O4S2 | |
314.38100 | |
161.12000 | |
3.64300 | |
314.03900 |
|
2934999090
|
品名, 成分含量, 用途 |
|
2934999090. 其他杂环化合物. 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% |
|
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
|
2934999090. Other nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds. General tariff: |
![噻吩[2,3-B]噻吩](https://www.chemicalbook.com/CAS/GIF/250-84-0.gif)