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| CAS号 : | 23286-70-6 |
精确质量 : | 169.08500 |
| 分子式 : | C7H11N3O2 |
logP : | 1.05820 |
| 分子量 : | 169.18100 |
PSA : | 81.00000 |
1-甲基-5-氨基吡唑-4-羧酸乙酯 | |
ethyl 3-amino-5-methyl-1H-pyrazole-4-carboxylate | |
23286-70-6 | |
C7H11N3O2 | |
169.18100 | |
81.00000 | |
1.05820 | |
169.08500 |
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1.589
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169.5ºC
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0.00658mmHg at 25°C
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54ºC
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1.265g/cm3
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356.6ºC at 760mmHg
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2933199090
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品名, 成分含量, 用途, 乌洛托品请注明外观, 6-己内酰胺请注明外观, 签约日期 |
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2933199090. 其他结构上有非稠合吡唑环化合物. 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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2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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2933199090. Other Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. General tariff:6.5% |
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2933199090. Other Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. General tariff: |
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其制备方法是在反应釜内投入氰乙酸乙酯、原甲酸三乙酯、催化剂及乙酸,加热,开始回流蒸出生成的乙醇,再继续升温至130~155℃,反应 | |
1-甲基-5-氨基吡唑-4-羧酸乙酯又称1-甲基-4-乙氧基羰基-5-吡唑胺,是除草剂吡嘧磺隆的中间体。 |