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RH 421 [N-(4-Sulfobutyl)-4-(4-(4- (dipentylamino)phenyl)butadienyl)pyridinium, inner salt] *CAS 107610-19-5*

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Physical properties
Molecular weight498.72
SolventDMSO
Storage, safety and handling
H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22
StorageFreeze (< -15 °C); Minimize light exposure
UNSPSC12352200

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CAS
107610-19-5
Molecular weight
498.72
RH 421, also called N-(4-Sulfobutyl)-4-(4-(4- (dipentylamino)phenyl)butadienyl)pyridinium, is a neuron-tracing dye. It is used for monitoring membrane potential, synaptic activity and ion channel activity of neurons.

Calculators


Common stock solution preparation

Table 1. Volume of DMSO needed to reconstitute specific mass of RH 421 [N-(4-Sulfobutyl)-4-(4-(4- (dipentylamino)phenyl)butadienyl)pyridinium, inner salt] *CAS 107610-19-5* to given concentration. Note that volume is only for preparing stock solution. Refer to sample experimental protocol for appropriate experimental/physiological buffers.

0.1 mg0.5 mg1 mg5 mg10 mg
1 mM200.513 µL1.003 mL2.005 mL10.026 mL20.051 mL
5 mM40.103 µL200.513 µL401.027 µL2.005 mL4.01 mL
10 mM20.051 µL100.257 µL200.513 µL1.003 mL2.005 mL

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References


View all 27 references: Citation Explorer
Palytoxin-induced effects on partial reactions of the Na,K-ATPase
Authors: Harmel N, Apell HJ.
Journal: J Gen Physiol (2006): 103
Electrogenic partial reactions of the gastric H,K-ATPase
Authors: Diller A, Vagin O, Sachs G, Apell HJ.
Journal: Biophys J (2005): 3348
Effective gating charge of ion channels induced by toxin syringomycin E in lipid bilayers
Authors: Schagina LV, Gurnev PA, Takemoto JY, Malev VV.
Journal: Bioelectrochemistry (2003): 21
Effect of dipole modifiers on the kinetics of sensitized photoinactivation of gramicidin channels in bilayer lipid membranes
Authors: Antonenko YN, Rokitskaya TI, Kotova EA.
Journal: Membr Cell Biol (1999): 111
Hofmeister effects of anions on the kinetics of partial reactions of the Na+,K+-ATPase
Authors: Ganea C, Babes A, Lupfert C, Grell E, Fendler K, Clarke RJ.
Journal: Biophys J (1999): 267
Influence of anions and cations on the dipole potential of phosphatidylcholine vesicles: a basis for the Hofmeister effect
Authors: Clarke RJ, Lupfert C.
Journal: Biophys J (1999): 2614
Electrogenic partial reactions of the SR-Ca-ATPase investigated by a fluorescence method
Authors: Butscher C, Roudna M, Apell H.
Journal: J Membr Biol (1999): 169
Effect of gramicidin A on the dipole potential of phospholipid membranes
Authors: Shapovalov VL, Kotova EA, Rokitskaya TI, Antonenko YN.
Journal: Biophys J (1999): 299
Cable properties of dendrites in hippocampal neurons of the rat mapped by a voltage-sensitive dye
Authors: Meyer E, Muller CO, Fromherz P.
Journal: Eur J Neurosci (1997): 778
Effect of the dipole potential of a bilayer lipid membrane on gramicidin channel dissociation kinetics
Authors: Rokitskaya TI, Antonenko YN, Kotova EA.
Journal: Biophys J (1997): 850