4189-20-2

• 常用中文名：ethyl 5-methyl-2-oxo-1,3-dihydropyrrole-4-carboxylate
• 常用英文名：ethyl 5-methyl-2-oxo-1,3-dihydropyrrole-4-carboxylate
• CAS号：4189-20-2
• 分子式：C₈H₁₁NO₃
• 分子量：169.17800
• 发布时间：2016-07-20 09:59:41
• 更新时间：2024-01-09 18:48:07

名称

• 英文名: ethyl 5-methyl-2-oxo-1,3-dihydropyrrole-4-carboxylate
• 英文别名: 2-Methyl-3-carbethoxy-5-pyrrolinone; 2-Methyl-2-pyrrolin-5-on-3-carbonsaeure-ethylester; HMS1664H06; 2-Methyl-5-oxo-4,5-dihydro-pyrrol-3-carbonsaeure-aethylester; 2-methyl-3-carboethoxy-5-pyrrolinone; ethyl 4,5-dihydro-2-methyl-5-oxo-1H-pyrrole-3-carboxylate; 2-methyl-5-oxo-4,5-dihydro-pyrrole-3-carboxylic acid ethyl ester

物化性质

• 分子式: C₈H₁₁NO₃
• 分子量: 169.17800
• 精确质量: 169.07400
• PSA: 58.89000
• LogP: 0.61930

安全

• 海关编码: 2933990090

合成路线

1115-30-6 ~77% 4189-20-2

文献：Lovren; Gaon; Bobarevic Pharmazie, 1992 , vol. 47, # 10 p. 773 - 776

921-84-6 ~93% 4189-20-2

文献：Demir, Ayhan S.; Emrullahoglu, Mustafa; Ardahan, Guelben Tetrahedron, 2007 , vol. 63, # 2 p. 461 - 468

1007476-32-5 79-07-2 ~% 4189-20-2

文献：Champion Annales de Chimie (Cachan, France), 1954 , vol. <12>9, p. 649,670

1007476-32-5 79-07-2 ~% 137271-84-2 4189-20-2

文献：Champion Annales de Chimie (Cachan, France), 1954 , vol. <12>9, p. 649,670

上下游产品

上游产品  3
1115-30-6 1007476-32-5 79-07-2
下游产品  1
145888-70-6

海关

海关编码	2933990090
中文概述	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%
申报要素	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
Summary	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%