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D8064

Sigma-Aldrich

4-(2-(6-(Dibutylamino)-2-naphthalenyl)ethenyl)-1-(3-sulfopropyl)pyridinium hydroxide inner salt

≥95% purity (HPLC), solid

Synonym(s):

Di-4-ANEPPS

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About This Item

Empirical Formula (Hill Notation):
C28H36N2O3S
CAS Number:
Molecular Weight:
480.66
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

product name

4-(2-(6-(Dibutylamino)-2-naphthalenyl)ethenyl)-1-(3-sulfopropyl)pyridinium hydroxide inner salt, ≥95% (HPLC), solid

Quality Level

Assay

≥95% (HPLC)

form

solid

mol wt

480.66

color

orange to dark red

solubility

DMF: soluble
DMSO: soluble
ethanol: soluble

ε (extinction coefficient)

≥38000 at 493-499 nm in methanol

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

2-8°C

SMILES string

CCCCN(CCCC)c1ccc2cc(\C=C\c3cc[n+](CCCS([O-])(=O)=O)cc3)ccc2c1

InChI

1S/C28H36N2O3S/c1-3-5-17-30(18-6-4-2)28-13-12-26-22-25(10-11-27(26)23-28)9-8-24-14-19-29(20-15-24)16-7-21-34(31,32)33/h8-15,19-20,22-23H,3-7,16-18,21H2,1-2H3

InChI key

HAPJROQJVSPKCJ-UHFFFAOYSA-N

Application

4-(2-(6-(Dibutylamino)-2-naphthalenyl)ethenyl)-1-(3-sulfopropyl)pyridinium hydroxide inner salt has been used as a voltage sensitive dye in cardiac cells.

Biochem/physiol Actions

Membrane potential dye that responds to changes in membrane potential monitored by fluorescence excitation changes at 440 and 505 nm; correlated to changes in membrane potential of the cell.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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J M Davidenko et al.
Nature, 355(6358), 349-351 (1992-01-23)
Excitable media can support spiral waves rotating around an organizing centre. Spiral waves have been discovered in different types of autocatalytic chemical reactions and in biological systems. The so-called 're-entrant excitation' of myocardial cells, causing the most dangerous cardiac arrhythmias
G Bub et al.
American journal of physiology. Heart and circulatory physiology, 298(5), H1616-H1625 (2010-03-17)
Sarcomere length (SL) is an important determinant and indicator of cardiac mechanical function; however, techniques for measuring SL in living, intact tissue are limited. Here, we present a technique that uses two-photon microscopy to directly image striations of living cells
Katharine M Dibb et al.
Circulation. Heart failure, 2(5), 482-489 (2009-10-08)
In ventricular myocytes, the majority of structures that couple excitation to the systolic rise of Ca(2+) are located at the transverse tubular (t-tubule) membrane. In the failing ventricle, disorganization of t-tubules disrupts excitation contraction coupling. The t-tubule membrane is virtually
Yoko Tominaga et al.
Frontiers in cellular neuroscience, 12, 389-389 (2018-11-09)
Activity-dependent changes in the input-output (I-O) relationship of a neural circuit are central in the learning and memory function of the brain. To understand circuit-wide adjustments, optical imaging techniques to probe the membrane potential at every component of neurons, such
Stefano Casali et al.
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Long-term synaptic plasticity is thought to provide the substrate for adaptive computation in brain circuits but very little is known about its spatiotemporal organization. Here, we combined multi-spot two-photon laser microscopy in rat cerebellar slices with realistic modeling to map

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