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L-Leucine, N-acetyl-,ethyl ester

更新时间:2025-08-24 17:02:47

L-Leucine, N-acetyl-,ethyl ester结构式
L-Leucine, N-acetyl-,ethyl ester结构式
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常用名 L-Leucine, N-acetyl-,ethyl ester 英文名 L-Leucine, N-acetyl-,ethyl ester
CAS号 1114-55-2 分子量 201.26300
密度 0.987g/cm3 沸点 307.7ºC at 760mmHg
分子式 C10H19NO3 熔点 N/A
MSDS N/A 闪点 139.9ºC

 L-Leucine, N-acetyl-,ethyl ester名称

英文名 ethyl 2-acetamido-4-methylpentanoate
英文别名 更多

 L-Leucine, N-acetyl-,ethyl ester物理化学性质

密度 0.987g/cm3
沸点 307.7ºC at 760mmHg
分子式 C10H19NO3
分子量 201.26300
闪点 139.9ºC
精确质量 201.13600
PSA 55.40000
LogP 1.49120
蒸汽压 0.000711mmHg at 25°C
折射率 1.439
分子结构

1、 摩尔折射率:53.69

2、 摩尔体积(cm3/mol):203.7

3、 等张比容(90.2K):482.5

4、 表面张力(dyne/cm):31.4

5、 极化率(10-24cm3):21.28

计算化学

1.疏水参数计算参考值(XlogP):无

2.氢键供体数量:1

3.氢键受体数量:3

4.可旋转化学键数量:6

5.互变异构体数量:2

6.拓扑分子极性表面积55.4

7.重原子数量:14

8.表面电荷:0

9.复杂度:202

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:1

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:1

 L-Leucine, N-acetyl-,ethyl ester安全信息

海关编码 2924199090

 L-Leucine, N-acetyl-,ethyl ester海关

海关编码 2924199090
中文概述 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
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%

 L-Leucine, N-acetyl-,ethyl ester英文别名

(2S)-2-(Acetylamino)-4-methylvaleric acid ethyl ester
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