Chemical Name: 3β,5β,14β)-21,23-Epoxy-24-norchola-20,22-diene-3,14,17-triol
Purity: ≥98% (HPLC)
Biological Activity
Technical Data
Solubility
Calculators
Datasheets
References
Biological Activity
Na+/K+ ATPase modulator. Inhibits the Normalizes renal Na+/K+ ATPase pump function in mutant adducin- and endogenous ouabain-dependent forms of hypertension. Reduces blood pressure in Milan hypertensive rats. Controls mania-like behaviors in Myshkin mice having a Na+/K+ ATPase α3 subunit mutation. Antagonizes the effects of Ouabain (Cat.No. 1076) on myogenic tone and Ca2+ signaling in rat hippocampal neurons.
Compound Libraries
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The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.
Solubility Data
Solvent
Max Conc. mg/mL
Max Conc. mM
Solubility
DMSO
37.45
100
ethanol
37.45
100
Preparing Stock Solutions
The following data is based on the product molecular weight 374.51. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.
Concentration / Solvent Volume / Mass
1 mg
5 mg
10 mg
1 mM
2.67 mL
13.35 mL
26.7 mL
5 mM
0.53 mL
2.67 mL
5.34 mL
10 mM
0.27 mL
1.34 mL
2.67 mL
50 mM
0.05 mL
0.27 mL
0.53 mL
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Product Datasheets
Certificate of Analysis / Product Datasheet
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References
References are publications that support the products' biological activity.
Ferrari
(2006) Rostafuroxin: an ouabain antagonist that corrects renal and vascular Na+-K+- ATPase alterations in ouabain and adducin-dependent hypertension. Am.J.Physiol.Regul.Integr.Comp.Physiol. 290 529 PMID: 16467500
Kirshenbaumet al (2011) Mania-like behavior induced by genetic dysfunction of the neuron-specific Na+,K+-ATPase α3 sodium pump. Proc.Natl.Acad.Sci.U.S.A. 108 18144 PMID: 22025725
Ferrariet al (2010) Rostafuroxin: an ouabain-inhibitor counteracting specific forms of hypertension. Biochim Biophys Acta. 1802 1254 PMID: 20083196
Songet al (2014) Ouabain-digoxin antagonism in rat arteries and neurones. J.Physiol. 592 941 PMID: 24344167