methyl (2R)-2,4-diamino-4-oxobutanoate
- 中文别名:D-天冬氨酸甲酯
- 中文释义:D-天冬酰胺甲酯
- 英文别名:methyl (2R)-2,4-diamino-4-oxobutanoate;
L-asparagine methyl ester;
D-asparagine,methyl ester
- CAS No.:108258-31-7
- 分子式:
C5H10N2O3
- 分子量:146.14400
- 精确分子量:146.06900
- PSA:96.40000
- InChI:InChI=1/C5H10N2O3/c1-10-5(9)3(6)2-4(7)8/h3H,2,6H2,1H3,(H2,7,8)/t3-/m1/s1
- 分子结构式:
物化性质
- 密度:
- 1.223g/cm3
- 沸点:
- 328.5ºC at 760 mmHg
- 闪点:
- 198.1ºC
- 折射率:
- 1.482
- 蒸汽压:
- 0.000189mmHg at 25°C
安全信息
- 密度:
- 1.223g/cm3
- 沸点:
- 328.5ºC at 760 mmHg
- 闪点:
- 198.1ºC
- 折射率:
- 1.482
- 蒸汽压:
- 0.000189mmHg at 25°C
海关数据
中国海关编码:2924199090
- 概述:
- 2924199090. 其他无环酰胺(包括无环氨基甲酸酯)(包括其衍生物及盐). 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:30.0%
- 申报要素:
- 品名, 成分含量, 用途, 包装
- 摘要/Summary:
- 2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%