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![3,4-二甲基噻吩并[2,3-B]噻吩-2-甲醛结构式](https://www.chemicalbook.com/CAS/GIF/159709-36-1.gif)
| CAS号 : | 159709-36-1 |
精确质量 : | 196.00200 |
| 分子式 : | C9H8OS2 |
logP : | 3.39210 |
| 分子量 : | 196.28900 |
PSA : | 73.55000 |
3,4-二甲基噻吩并[2,3-B]噻吩-2-甲醛 | |
3,4-dimethylthieno[2,3-b]thiophene-5-carbaldehyde | |
159709-36-1 | |
C9H8OS2 | |
196.28900 | |
73.55000 | |
3.39210 | |
196.00200 |
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1.708
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163.6ºC
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5.58E-05mmHg at 25°C
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147-149ºC
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1.337g/cm3
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346.9ºC at 760mmHg
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2934999090
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Xi
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品名, 成分含量, 用途 |
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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% |
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2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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2934999090. Other nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds. General tariff: |