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09877

Sigma-Aldrich

Ammonium ionophore I

Selectophore™, function tested, ≥98.0% ((Total homologs), HPLC)

Synonym(s):

Nonactin, Ammonium ionophore

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About This Item

Empirical Formula (Hill Notation):
C40H64O12
CAS Number:
6833-84-7
Molecular Weight:
736.93
Beilstein/REAXYS Number:
76434
EC Number:
229-911-3
UNSPSC Code:
26111700
PubChem Substance ID:
24846480
NACRES:
NB.61

grade

for ion-selective electrodes

Quality Level

200

product line

Selectophore™

assay

≥98.0% ((Total homologs), HPLC)

form

powder

quality

function tested

storage temp.

2-8°C

SMILES string

C[C@H]1C[C@@H]2CC[C@@H](O2)[C@@H](C)C(=O)O[C@H](C)C[C@H]3CC[C@H](O3)[C@H](C)C(=O)O[C@@H](C)C[C@@H]4CC[C@@H](O4)[C@@H](C)C(=O)O[C@H](C)C[C@H]5CC[C@H](O5)[C@H](C)C(=O)O1

InChI

1S/C40H64O12/c1-21-17-29-9-13-34(49-29)26(6)38(42)46-23(3)19-31-11-15-36(51-31)28(8)40(44)48-24(4)20-32-12-16-35(52-32)27(7)39(43)47-22(2)18-30-10-14-33(50-30)25(5)37(41)45-21/h21-36H,9-20H2,1-8H3/t21-,22+,23+,24-,25-,26+,27+,28-,29-,30+,31+,32-,33-,34+,35+,36-

InChI key

RMIXHJPMNBXMBU-QIIXEHPYSA-N

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General description

Purified for use in ion-selective electrodes
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Application

Selected application examples
Determination of potassium ions in pharmaceutical samples by FIA using a potentiometric electrode based on ionophore nonactin occluded in EVA membrane.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Other Notes

Transports alkali cations through biological membranes, with high selectivity for ammonia.

Legal Information

Selectophore is a trademark of Merck KGaA, Darmstadt, Germany

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number

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The kinetic and equilibrium components of selective ionic permeability mediated by nactin- and valinomycin-type carriers having systematically varied degrees of methylation.
G Eisenman et al.
Annals of the New York Academy of Sciences, 264, 34-60 (1975-12-30)
Y.M. Fraticelli, M.E. Meyerhoff
Analytical Chemistry, 53, 1857-1861 (1981)
D. Ammann et al.
Ion-Selective Rev., 5, 3-3 (1983)
Simon, W.
Pure and Applied Chemistry. Chimie Pure Et Appliquee, 25, 811-811 (1971)
Svetlana S Efimova et al.
Langmuir : the ACS journal of surfaces and colloids, 28(26), 9908-9914 (2012-06-19)
The effects of various subclasses of flavonoids, Rose Bengal, and different styrylpyridinium dyes on the magnitude of the dipole potential of membranes composed of pure phospholipids and sterol-containing bilayers were investigated. Changes in the steady-state membrane conductance induced by cation-ionophore
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Selectophore Ionophores

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