简介:羧甲基 -β- 环糊精在PH较低的溶液中溶解度低,但在中、碱性溶液( PH>4 )中,由于羧基解离,可以任意浓度溶解,而且其结构疏松,自流动性明显改善。在人体肠道 PH 6-7 的环境中具有很好的溶解性,可在药物延长释放剂型中使用,同时具有比 HP-β-CD 更低的溶血
CAS号: 10016-20-3
分子式: C36H60O30
英文名称: Alfadex
英文同义词: alpha-Cyclodextrin; alpha-cycloamylose; alpha-dextrin; Cyclohexaamylose hydrate; cyclomaltohexose; (1S,3R,6S,8R,11S,13R,16S,18R,21S,23R,26S,28R)-5,10,15,20,25,30-hexakis(hydroxymethyl)-2,4,7,9,12,14,17,19,22,24,27,29-dodecaoxaheptacyclo[26.2.2.2~3,6~.2~8,11~.2~13,16~.2~18,21~.2~23,26~]dotetracontane-31,32,33,34,35,36,37,38,39,40,41,42-dodecol (non-preferred name); 5,10,15,20,25,30-hexakis(hydroxymethyl)-2,4,7,9,12,14,17,19,22,24,27,29-dodecaoxaheptacyclo[26.2.2.2~3,6~.2~8,11~.2~13,16~.2~18,21~.2~23,26~]dotetracontane-31,32,33,34,35,36,37,38,39,40,41,42-dodecol (non-preferred name); (1S,3R,5R,6S,8R,10R,11S,13R,15R,16S,18R,20R,21S,23R,25R,26S,28R,30R,31R,32R,33R,34R,35R,36R,37R,38R,39R,40R,41R,42R)-5,10,15,20,25,30-hexakis(hydroxymethyl)-2,4,7,9,12,14,17,19,22,24,27,29-dodecaoxaheptacyclo[26.2.2.2~3,6~.2~8,11~.2~13,16~.2~18,21~.2~23,26~]dotetracontane-31,32,33,34,35,36,37,38,39,40,41,42-dodecol (non-preferred name)
EINECS号: 233-007-4
分子量: 972.8436
沸点: 1410.846°C at 760 mmHg
密度: 0mmHg at 25°C
闪点: 807.051°C
简介:羧甲基 -β- 环糊精在PH较低的溶液中溶解度低,但在中、碱性溶液( PH>4 )中,由于羧基解离,可以任意浓度溶解,而且其结构疏松,自流动性明显改善。在人体肠道 PH 6-7 的环境中具有很好的溶解性,可在药物延长释放剂型中使用,同时具有比 HP-β-CD 更低的溶血
吡罗昔康-β-环糊精