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| CAS号 : | 3209-72-1 |
精确质量 : | 155.05800 |
| 分子式 : | C7H9NO3 |
logP : | 1.15970 |
| 分子量 : | 155.15100 |
PSA : | 52.33000 |
5-甲基-3-异噁唑羧酸乙酯 | |
ethyl 5-methyl-1,2-oxazole-3-carboxylate | |
3209-72-1 | |
C7H9NO3 | |
155.15100 | |
52.33000 | |
1.15970 | |
155.05800 |
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1.468
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低熔点固体或液体
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77-79°C/0.5mm
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77-79°C 0,5mm
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25 °C
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1.139g/cm3
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S37/39-S26
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Xi
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R36/37/38
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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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用草酸二乙酯在碱性条件下与丙酮缩合，生成乙酰丙酮酸乙酯，然后与盐酸羟胺环合，得到该品。 | |
磺胺甲基异噁唑的中间体。 |
