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| CAS号 : | 239075-02-6 |
精确质量 : | 418.16200 |
| 分子式 : | C20H28B2O4S2 |
logP : | 4.07500 |
| 分子量 : | 418.18600 |
PSA : | 93.40000 |
2,2'-联噻吩-5,5'-二硼酸二(频哪醇)酯 | |
4,4,5,5-tetramethyl-2-[5-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]thiophen-2-yl]-1,3,2-dioxaborolane | |
239075-02-6 | |
C20H28B2O4S2 | |
418.18600 | |
93.40000 | |
4.07500 | |
418.16200 |
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1.546
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274.612ºC
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0mmHg at 25°C
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208-212ºC
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1.17g/cm3
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530.458ºC at 760 mmHg
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2934999090
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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: |