1)  Carbocysteine
羧甲基半胱胺酸盐酸盐
2)  S[Carboxymethyl]-L-cysteine
羧甲基半胱胺酸盐酸盐
3)  3-[Carboxy-methyl)thio]alanine
羧甲基半胱胺酸盐酸盐
4)  Carboxymethylation
羧甲基化
1.
Exploratory studies on the carboxymethylation of cassava starch in water-miscible organic media;
水混合有机介质中木薯淀粉的羧甲基化研究
2.
Temperature-controlling microwave reaction apparatus and its application to carboxymethylation reaction of chitosan;
控温下微波反应装置用于壳聚糖羧甲基化反应
5)  carboxymethyl
羧甲基
1.
Preparation of Waxy Crossing-carboxymethyl Compound Modified Starch(CCMS);
糯玉米交联羧甲基淀粉的制备
2.
Preparation of Carboxymethyl Larch Tannin Surfactant and Performance Analysis;
羧甲基落叶松单宁表面活性剂的制备及性能分析
3.
Preparation of carboxymethyl starch using microwave-solvent rapid semidry method and its properties;
微波-溶剂半干法合成羧甲基木薯淀粉及性质研究
6)  carboxy methylation
羧甲基化
1.
Improvement of the preparation method for carboxy methylation of konjac glucomannan;
魔芋葡甘聚糖羧甲基化方法改进研究
2.
According to the molecular structural characteristics of konjac glucomannan(KGM),the improved preparation method for carboxy methylation of KGM was proposed,and the substitution of the carboxymethyl knojac glucomannan was 0.
对魔芋葡甘聚糖进行羧甲基化改性,制得醚化度为0。
3.
The preparation method for carboxy methylation of konjac glucomannan(KGM)was proposed in this paper according to molecular structural characteristics of KGM.
针对魔芋葡甘聚糖(KGM)分子结构特性进行羧甲基化改性,在乙醇介质中先混合醚化试剂,再进行碱化催化反应制备羧甲基魔芋葡甘聚糖(CMK)。
参考词条
补充资料:羧甲基半胱胺酸盐酸盐
分子式:C5H9NO4S
分子量:179.21
CAS号:638-23-3

性质:白色结晶性粉末。熔点204-207℃。不溶于冷水及乙醇、丙酮等有机溶剂。易溶于酸性和碱性水溶液。无臭,呈酸性。

制备方法:L-半胱氨酸配制成二钠盐水溶液,与氯乙酸在焦亚硫酸钠存在下反应,先在20-30℃反应0.5h,再于20℃反应15min,向反应物中加入活性炭,过滤,滤液用浓盐酸酸化至pH2.5,即生成羧甲司坦沉淀,过滤,水洗,真空干燥,即得成品。以L-半胱氨酸计,收率92%。

用途:该品为粘液溶解剂,祛痰药,抗鼻感染药。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。