23903-49-3
23903-49-3结构式
- 常用中文名：ethyl 5-acetamido-4-cyano-3-methylthenoate
- 常用英文名：ethyl 5-acetamido-4-cyano-3-methylthenoate
- CAS号：23903-49-3
- 分子式：C11H12N2O3S
- 分子量：252.29000
- 发布时间：2017-03-24 21:11:03
- 更新时间：2025-08-24 20:29:05
| 英文名 | ethyl 5-acetamido-4-cyano-3-methylthiophene-2-carboxylate |
|---|---|
| 英文别名 |
5-acetylamino-4-cyano-3-methyl-thiophene-2-carboxylic acid ethyl ester
5-Acetamino-4-cyan-3-methyl-thiophen-2-carbonsaeure-ethylester ethyl 5-acetamido-4-cyano-3-methylthenoate ethyl 5-(acetylamino)-4-cyano-3-methylthiophene-2-carboxylate |
| 密度 | 1.28g/cm3 |
|---|---|
| 沸点 | 458.9ºC at 760mmHg |
| 分子式 | C11H12N2O3S |
| 分子量 | 252.29000 |
| 闪点 | 231.3ºC |
| 精确质量 | 252.05700 |
| PSA | 110.92000 |
| LogP | 2.71278 |
| 蒸汽压 | 1.32E-08mmHg at 25°C |
| 折射率 | 1.555 |
| 海关编码 | 2934999090 |
|---|
| 海关编码 | 2934999090 |
|---|---|
| 中文概述 | 2934999090. 其他杂环化合物. 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 |
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |