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Merck
CN

291161

4,7,13,16,21-Pentaoxa-1,10-diazabicyclo[8.8.5]tricosane

98%

Synonym(s):

Kryptofix® 221

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About This Item

Empirical Formula (Hill Notation):
C16H32N2O5
CAS Number:
31364-42-8
Molecular Weight:
332.44
UNSPSC Code:
12352005
NACRES:
NA.22
PubChem Substance ID:
24857516
EC Number:
250-592-1
Beilstein/REAXYS Number:
616444
MDL number:
MFCD00005108

Key Documents

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Product Name

4,7,13,16,21-Pentaoxa-1,10-diazabicyclo[8.8.5]tricosane, 98%

InChI key

HDLXPNDSLDLJHF-UHFFFAOYSA-N

InChI

1S/C16H32N2O5/c1-7-19-8-2-18-5-11-22-15-13-20-9-3-17(1)4-10-21-14-16-23-12-6-18/h1-16H2

SMILES string

C1COCCN2CCOCCOCCN(CCO1)CCOCC2

assay

98%

refractive index

n20/D 1.5018 (lit.)

density

1.111 g/mL at 20 °C (lit.)

Quality Level

200

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Application

4,7,13,16,21-Pentaoxa-1,10-diazabicyclo[8.8.5]tricosane is a cryptand which is capable of forming complexes with metal cations. It is used to bind or trap cationic guests such as Na+, Cd2+, Zn2+ and Eu3+.

Legal Information

Kryptofix is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class

10 - Combustible liquids

wgk

WGK 3

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

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Certificates of Analysis (COA)

Lot/Batch Number
SDBB2596
STBL4757
STBL4545
STBK8461
STBJ7565

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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)
A Loiseau et al.
Biochimica et biophysica acta, 1235(1), 21-32 (1995-04-12)
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, an ionizable mobile carrier. The experiments were performed at various pH values (7.7
Amidinium carboxylate salt bridges as a recognition motif for mechanically interlocked molecules: synthesis of an optically active [2] catenane and control of its structure.
Nakatani Y, et al.
Angewandte Chemie (Weinheim an der Bergstrasse, Germany), 122(32), 5595-5599 (2010)
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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