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| CAS号 : | 59702-31-7 |
精确质量 : | 142.07400 |
| 分子式 : | C6H10N2O2 |
logP : | -0.76860 |
| 分子量 : | 142.15600 |
PSA : | 49.41000 |
N-乙基-2,3-二酮哌嗪 | |
N-Ethyl-2,3-dioxopiperazine | |
59702-31-7 | |
C6H10N2O2 | |
142.15600 | |
49.41000 | |
-0.76860 | |
142.07400 |
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固体
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1.475
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Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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106-110 °C(lit.)
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0.64
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2000 g/L
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346ºC
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2933599090
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3
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R36/37/38
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S26-S36
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TL6380250
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Xi
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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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2933599090. 其他结构上有嘧啶环的化合物(包括其他结构上有哌嗪环的化合物. 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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2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
主要采用连二羰基化合物与N-乙基乙二胺缩合得到。如由N-乙基乙二胺和草酸二乙酯在乙醇溶剂中,在催化剂氯化铵作用下脱醇缩合得到。 | |
用作合成头孢产品的中间体。 |