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| CAS号 : | 1143-82-4 |
精确质量 : | 231.09000 |
| 分子式 : | C13H13NO3 |
logP : | 2.82670 |
| 分子量 : | 231.24700 |
PSA : | 52.33000 |
5-甲基-3-苯基异恶唑-4-羧酸乙酯 | |
ethyl 5-methyl-3-phenyl-1,2-oxazole-4-carboxylate | |
1143-82-4 | |
C13H13NO3 | |
231.24700 | |
52.33000 | |
2.82670 | |
231.09000 |
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1.532
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179.3ºC
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9.34E-06mmHg at 25°C
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1.148 g/cm3
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372.9ºC 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: |
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1.可用苯甲醛与盐酸羟胺一起加热，肟化生成苯甲肟，然后以氯气氯化得苯甲氯肟，将后者与乙酰乙酸乙酯环合制得该品。 | |
苯唑青霉素钠的侧链。 |
