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291161

Sigma-Aldrich

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

98%

Synonym(s):

Kryptofix® 221

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1 G
R 11 381,72

R 11 381,72

List PriceR 11 614,00
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1 G
R 11 381,72

About This Item

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

R 11 381,72

List PriceR 11 614,00
Please contact Customer Service for Availability
Request a Bulk Order

Quality Level

200

Assay

98%

refractive index

n20/D 1.5018 (lit.)

density

1.111 g/mL at 20 °C (lit.)

SMILES string

C1COCCN2CCOCCOCCN(CCO1)CCOCC2

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

InChI key

HDLXPNDSLDLJHF-UHFFFAOYSA-N

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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.[1] It is used to bind or trap cationic guests such as Na+, Cd2+, Zn2+ and Eu3+.[2][3][4][5][1]

Legal Information

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

accessory

Product No.
Description
Pricing

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
STBL4757
STBL4545
STBK8461
STBJ7565
STBJ6675

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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
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)
M Castaing et al.
The Journal of membrane biology, 97(2), 79-95 (1987-01-01)
The kinetics of Na+ and K+ transport across the membrane of large unilamellar vesicles (LUV) were determined at two pH's when transport was induced by (221)C10-cryptand (diaza-1,10-decyl-5-pentaoxa-4,7,13,16,21-bicyclo [8.8.5.] tricosane) at various temperatures, and by nonactin at 25 degrees C and
Formation of Cadmium (II) Nitrate Complexes with Macrocycles.
Hak-Jin J and Oh-Jin J
Bull. Korean Chem. Soc., 14(5), 561-567 (1993)
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
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