4-Oxo-2-pentynoic acid ethyl ester
更新时间：2024-01-12 10:14:51
4-Oxo-2-pentynoic acid ethyl ester结构式
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常用名 | 4-Oxo-2-pentynoic acid ethyl ester | 英文名 | 4-Oxo-2-pentynoic acid ethyl ester |
|---|---|---|---|---|
| CAS号 | 54966-49-3 | 分子量 | 140.13700 | |
| 密度 | N/A | 沸点 | N/A | |
| 分子式 | C7H8O3 | 熔点 | N/A | |
| MSDS | N/A | 闪点 | N/A |
| 英文名 | ethyl 4-oxopent-2-ynoate |
|---|---|
| 英文别名 | 更多 |
| 分子式 | C7H8O3 |
|---|---|
| 分子量 | 140.13700 |
| 精确质量 | 140.04700 |
| PSA | 43.37000 |
| LogP | 0.14190 |
| 海关编码 | 2918300090 |
|---|
|
~9%
4-Oxo-2-pentyno... 54966-49-3 |
| 文献：Persson, Tobias; Nielsen, John Organic Letters, 2006 , vol. 8, # 15 p. 3219 - 3222 |
|
~22%
4-Oxo-2-pentyno... 54966-49-3 |
| 文献：Aitken; Herion; Janosi; Raut; Seth; Shannon; Smith Tetrahedron Letters, 1993 , vol. 34, # 35 p. 5621 - 5622 |
|
~%
4-Oxo-2-pentyno... 54966-49-3 |
| 文献：Mitani, Michiharu; Tanaka, Yasunori; Sawada, Akihiko; Misu, Ayuko; Matsumoto, Yoshihiro European Journal of Organic Chemistry, 2008 , # 8 p. 1383 - 1391 |
| 海关编码 | 2918300090 |
|---|---|
| 中文概述 | 2918300090 其他含醛基或酮基不含其他含氧基羧酸（包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物）. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0% |
| 申报要素 | 品名, 成分含量, 用途 |
| Summary | 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
| ethyl 3-acetylpropynoate |
| ethyl 4-oxo-pent-2-ynoate |
| ethyl 3-oxo-1-butyne-1-carboxylate |
| ethyl 4-oxo-2-pentynoate |
| InChI=1/C7H8O3/c1-3-10-7(9)5-4-6(2)8/h3H2,1-2H |
| 4-Oxo-2-pentynoic acid ethyl ester |
| 2-Pentynoic acid,4-oxo-,ethyl ester |
