291161
4,7,13,16,21-五氧杂-1,10-二氮杂二环[8.8.5]廿三烷
98%
别名:
Kryptofix® 221
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关于此项目
经验公式（希尔记法）:
C16H32N2O5
化学文摘社编号:
分子量:
332.44
Beilstein:
616444
EC 号:
MDL编号:
UNSPSC代码:
12352005
PubChem化学物质编号:
NACRES:
NA.22
应用
4,7,13,16,21-五氧杂-1,10-二氮杂二环[8.8.5]廿三烷是一种能够与金属阳离子形成络合物的穴状配体。它用于结合或捕获阳离子客体，例如 Na+、Cd2+、Zn2+ 和 Eu3+。
法律信息
Kryptofix is a registered trademark of Merck KGaA, Darmstadt, Germany
储存分类代码
10 - Combustible liquids
WGK
WGK 3
闪点(°F)
235.4 °F - closed cup
闪点(°C)
113 °C - closed cup
个人防护装备
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
Ion-triggered spring-like motion of a double helicate accompanied by anisotropic twisting.
Miwa K, et al.
Nature Chemistry, 2(6), 444-444 (2010)
Electrogenerated chemiluminescence. 58. Ligand-sensitized electrogenerated chemiluminescence in europium labels.
Richter M M and Bard A J
Analytical Chemistry, 68(15), 2641-2650 (1996)
M N Berry et al.
Clinical chemistry, 34(11), 2295-2298 (1988-11-01)
This is a kinetic assay for measuring serum Na+ concentration based on determination of Na+-dependent beta-galactosidase (EC 3.2.1.23) activity. The method, sufficiently sensitive to measure sub-millimolar concentrations of Na+, was modified by including a Na+-binding agent (cryptand) to provide a
G Mulliert et al.
Biochimica et biophysica acta, 1193(2), 263-275 (1994-08-03)
The kinetics of the competitive transport of Na+ and K+ ions across the membrane of large unilamellar vesicles (LUV) were determined when transport was induced by (221)C10-cryptand at various temperatures in order to quantify the temperature-dependence of the Na/K competitive
R P Taylor et al.
Clinical biochemistry, 29(1), 33-37 (1996-02-01)
To develop methods based on enzyme activation for the analysis of sweat sodium and chloride using beta-galactosidase and alpha-amylase, respectively. Both were monitored kinetically on the Cobas Fara centrifugal analyzer. The sweat, collected with the Macroduct system, was diluted no
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