Name: MEQ [6-Methoxy-N-ethylquinolinium iodide]
Brand: AAT Bioquest
SKU: 21250
Price: 92 USD
Availability: InStock

MEQ

6-Methoxy-N-ethylquinolinium iodide

A chloride indicator that has the fluorescence dependent of chloride concentration. Its fluorescence is quenched by chloride through collision quenching.

Datasheet

SDS

Catalog	Size	Price	Quantity
21250	100 mg	Price

Calculators

Common stock solution preparation

Table 1. Volume of DMSO needed to reconstitute specific mass of MEQ [6-Methoxy-N-ethylquinolinium iodide] to given concentration. Note that volume is only for preparing stock solution. Refer to sample experimental protocol for appropriate experimental/physiological buffers.

	0.1 mg	0.5 mg	1 mg	5 mg	10 mg
1 mM	317.309 µL	1.587 mL	3.173 mL	15.865 mL	31.731 mL
5 mM	63.462 µL	317.309 µL	634.618 µL	3.173 mL	6.346 mL
10 mM	31.731 µL	158.655 µL	317.309 µL	1.587 mL	3.173 mL

Molarity calculator

Enter any two values (mass, volume, concentration) to calculate the third.

Mass (Calculate)		Molecular weight		Volume (Calculate)		Concentration (Calculate)		Moles
mg	÷	315.15 g/mol	=	mL	x	mM	=	mmol

Citations

View all 2 citations: Citation Explorer

BBA-Molecular and Cell Biology of Lipids

Authors:

Zakyrjanova, Guzalia F and Gilmutdinov, Amir I and Tsentsevitsky, Andrey N and Petrov, Alexey M

Olesoxime, a cholesterol-like neuroprotectant restrains synaptic vesicle exocytosis in the mice motor nerve terminals: Possible role of VDACs

Authors:

Zakyrjanova, Guzalia F and Gilmutdinov, Amir I and Tsentsevitsky, Andrey N and Petrov, Alexey M

Journal:

Biochimica et Biophysica Acta (BBA)-Molecular and Cell Biology of Lipids (2020): 158739

References

View all 24 references: Citation Explorer

Chloride/bicarbonate exchanger SLC26A7 is localized in endosomes in medullary collecting duct cells and is targeted to the basolateral membrane in hypertonicity and potassium depletion

Authors:

Xu J, Worrell RT, Li HC, Barone SL, Petrovic S, Amlal H, Soleimani M.

Journal:

J Am Soc Nephrol (2006): 956

Shift of intracellular chloride concentration in ganglion and amacrine cells of developing mouse retina

Authors:

Zhang LL, Pathak HR, Coulter DA, Freed MA, Vardi N.

Journal:

J Neurophysiol (2006): 2404

Chloride-sensitive MEQ fluorescence in chick embryo motoneurons following manipulations of chloride and during spontaneous network activity

Authors:

Chub N, Mentis GZ, O'Donovan M J.

Journal:

J Neurophysiol (2006): 323

Halide fluxes in epithelial cells measured with an automated cell plate reader

Authors:

Mahlangu DA, Dix JA.

Journal:

Anal Biochem (2004): 28

Chloride equilibrium potential in salamander cones

Authors:

Thoreson WB, Bryson EJ.

Journal:

BMC Neurosci (2004): 53

Physical properties

Molecular weight	315.15
Solvent	DMSO

Spectral properties

Excitation (nm)	318
Emission (nm)	447

Usage and storage

Intended use	Research Use Only (RUO)
Storage	Freeze (< -15 °C); Minimize light exposure
CAS	34373-76-7

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Page updated on July 22, 2026