ethyl 4-oxopent-2-ynoate
- 中文别名：ethyl 4-oxopent-2-ynoate
- 中文释义：ethyl 4-oxopent-2-ynoate
- 英文别名：ethyl 4-oxopent-2-ynoate;
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
- CAS No.：54966-49-3
- 分子式：
C7H8O3
- 分子量：140.13700
- 精确分子量：140.04700
- PSA：43.37000
- InChI：The Key: NGLHQHAKQILQGD-UHFFFAOYSA-N
- 分子结构式：
海关数据
中国海关编码：2918300090
- 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
- 摘要/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%
热门化工词典词汇
- 2,2,5,5-tetraphenyl-5H-2λ5-[1,2]azaphosphole-3,4-dicarboxylic acid dimethyl ester2,2,5,5-tetraphenyl-5H-2λ5-[1,2]azaphosphole-3,4-dicarboxylic acid dimethyl ester
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- 5-(2,4-Dichlorophenyl)-2-furoic acid5-(2,4-二氯苯基)-2-糠酸
