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Merck
CN

R8026

Sigma-Aldrich

RH 421

≥95%, solid

Synonym(s):

4-{4-[4-(Dipentylamino)phenyl]-1,3-butadienyl}-1-(4-sulfobutyl)pyridinium hydroxide

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About This Item

Empirical Formula (Hill Notation):
C29H42N2O3S
CAS Number:
107610-19-5
Molecular Weight:
498.72
MDL number:
MFCD00467839
UNSPSC Code:
12171500
PubChem Substance ID:
329824034

Key Documents

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Assay

≥95%

form

solid

color

red

solubility

DMF: soluble
DMSO: soluble
ethanol: soluble

storage temp.

2-8°C

SMILES string

CCCCCN(CCCCC)c1ccc(\C=C\C=C/c2cc[n+](CCCCS([O-])(=O)=O)cc2)cc1

InChI

1S/C29H42N2O3S/c1-3-5-9-22-31(23-10-6-4-2)29-17-15-27(16-18-29)13-7-8-14-28-19-24-30(25-20-28)21-11-12-26-35(32,33)34/h7-8,13-20,24-25H,3-6,9-12,21-23,26H2,1-2H3

InChI key

URNCTMHGJQSLOC-UHFFFAOYSA-N

Biochem/physiol Actions

Chromogenic substrate for β-galactosidase that generates red or magenta precipitate on hydrolysis.

Storage Class Code

13 - Non 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

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
SLBC5106V
SLBB7718V
020M1323
129K2170
119K1119

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Aurelia Apetrei et al.
Biochimica et biophysica acta, 1790(8), 809-816 (2009-04-14)
Antimicrobial agents, with different pore-formation mechanisms, may be differently influenced by alteration of the dipolar electric field of a lipid membrane. By using electrophysiological measurements on reconstituted lipid membranes, we used alamethicin, melittin and magainin to report on how controlled
R J Clarke et al.
Biophysical journal, 75(3), 1340-1353 (1998-09-03)
The kinetics of Na(+)-dependent partial reactions of the Na+,K(+)-ATPase from rabbit kidney were investigated via the stopped-flow technique, using the fluorescent labels N-(4-sulfobutyl)-4-(4-(p-(dipentylamino)phenyl)butadienyl)py ridinium inner salt (RH421) and 5-iodoacetamidofluorescein (5-IAF). When covalently labeled 5-IAF enzyme is mixed with ATP, the
Properties of the cytoplasmic ion binding sites.
W Domaszewicz et al.
Annals of the New York Academy of Sciences, 834, 420-423 (1998-02-12)
Macrocyclic carbon suboxide oligomers as potent inhibitors of the Na,K-ATPase.
Robert Stimac et al.
Annals of the New York Academy of Sciences, 986, 327-329 (2003-05-24)
Ronald J Clarke et al.
Annals of the New York Academy of Sciences, 986, 159-162 (2003-05-24)
The kinetics of the E(2) --> E(1) conformational change of unphosphorylated Na(+),K(+)-ATPase from rabbit kidney were investigated via the stopped-flow technique using the fluorescent label RH421 (pH 7.4, 24 degrees C). The enzyme was preequilibrated in a solution containing 25
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