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Merck
CN

71732

Sodium ionophore I

Selectophore™, function tested

Synonym(s):

ETH 227, N,N′,N′′-Triheptyl-N,N′,N′′-trimethyl-4,4′,4′′-propylidynetris(3-oxabutyramide)

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About This Item

Empirical Formula (Hill Notation):
C36H71N3O6
CAS Number:
61183-76-4
Molecular Weight:
641.97
NACRES:
NB.61
PubChem Substance ID:
329763476
UNSPSC Code:
26111700
EC Number:
262-643-5
MDL number:
MFCD00042950

Key Documents

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InChI key

PMECOBBGCPFYPP-UHFFFAOYSA-N

InChI

1S/C36H71N3O6/c1-8-12-15-18-21-24-37(5)33(40)27-43-30-36(11-4,31-44-28-34(41)38(6)25-22-19-16-13-9-2)32-45-29-35(42)39(7)26-23-20-17-14-10-3/h8-32H2,1-7H3

SMILES string

CCCCCCCN(C)C(=O)COCC(CC)(COCC(=O)N(C)CCCCCCC)COCC(=O)N(C)CCCCCCC

description

for ion-selective electrodes

product line

Selectophore™

form

liquid

quality

function tested

Quality Level

200

General description

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Application

Selected application examples

Packaging

Clear borosilicate glass, high hydrolytic resistance (Type I)

Other Notes

Neutral ionophore for liquid-membrane electrodes of high selectivity for Na+:; R.A. Steiner, M. Oehme, D. Ammann, W. Simon,.

Legal Information

Selectophore is a trademark of Merck KGaA, Darmstadt, Germany

Storage Class

12 - Non Combustible Liquids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

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D E Carden et al.
Journal of experimental botany, 52(359), 1353-1359 (2001-07-04)
The high background K+ concentration in plant cells is a problem for intracellular measurements of Na+ using ion-selective microelectrodes. The discrimination between Na+ and K+ of the microelectrode ionophore molecule limits the usefulness of this technique. A new Na+-selective microelectrode
Natalie M D'Silva et al.
The Journal of experimental biology, 220(Pt 17), 3172-3180 (2017-07-01)
Larvae of
A Amtmann et al.
The Journal of membrane biology, 139(2), 117-125 (1994-04-01)
Na(+)-selective microelectrodes with the sensor ETH 227 have been used to measure the cytoplasmic Na+ concentration, [Na+]c, in Acetabularia. In the steady-state, [Na+]c is about 60 mM (external 460 mM). Steps in external Na+ concentration, [Na+]o, cause biexponential relaxations of
Z Talor et al.
Mineral and electrolyte metabolism, 12(4), 239-245 (1986-01-01)
We investigated the Na-dependent Ca transport in purified bovine luminal and basolateral renal tubular membranes. Na-dependent Ca uptake was observed in basolateral but not in luminal kidney tubular membranes. 45Ca uptake in basolateral membrane vesicles loaded with Na and suspended
Analytical Chemistry, 51, 351-351 (1979)
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