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71732

Supelco

Sodium ionophore I

Selectophore™, function tested

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Synonym(s):
ETH 227, N,N′,N′′-Triheptyl-N,N′,N′′-trimethyl-4,4′,4′′-propylidynetris(3-oxabutyramide)
Empirical Formula (Hill Notation):
C36H71N3O6
CAS Number:
61183-76-4
Molecular Weight:
641.97
EC Number:
262-643-5
MDL number:
MFCD00042950
UNSPSC Code:
26111700
PubChem Substance ID:
329763476
NACRES:
NB.61

grade

for ion-selective electrodes

Quality Level

200

product line

Selectophore™

form

liquid

quality

function tested

SMILES string

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

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

InChI key

PMECOBBGCPFYPP-UHFFFAOYSA-N

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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

related product

Product No.
Description
Pricing

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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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
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
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
Natalie M D'Silva et al.
The Journal of experimental biology, 220(Pt 17), 3172-3180 (2017-07-01)
Larvae of
Maheswari Jayakannan et al.
Journal of plant physiology, 168(10), 1045-1051 (2011-01-25)
Ion-selective microelectrodes are a powerful tool in studying adaptive responses of plant cells and tissues to various abiotic stresses. However, application of this technique in Na(+) flux measurements was limited due to poor selectivity for Na(+) ions of commercially available
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