Description: Positive modulator of KCa2 and KCa3.1 channels
Chemical Name: 6,7-Dichloro-1H-indole-2,3-dione 3-oxime
Purity: ≥98% (HPLC)
Biological Activity
Technical Data
Solubility
Calculators
Datasheets
References
Biological Activity
Positive modulator of small- and intermediate- conductance Ca2+-activated K+ channels (KCa2 and KCa3.1 channels); increases Ca2+ sensitivity. Displays no activity at BK channels.
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Technical Data
M. Wt
231.04
Formula
C8H4Cl2N2O2
Storage
Store at +4°C
Purity
≥98% (HPLC)
CAS Number
18711-16-5
PubChem ID
11637204
InChI Key
CVOUSAVHMDXCKG-UHFFFAOYSA-N
Smiles
ClC1=C2C(C(C(N2)=O)=NO)=CC=C1Cl
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
23.1
100
Preparing Stock Solutions
The following data is based on the product molecular weight 231.04. 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
4.33 mL
21.64 mL
43.28 mL
5 mM
0.87 mL
4.33 mL
8.66 mL
10 mM
0.43 mL
2.16 mL
4.33 mL
50 mM
0.09 mL
0.43 mL
0.87 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.
Grgicet al (2009) Endothelial Ca2+-activated K+ channels in normal and impaired EDHF-dilator responses - relevance to cardiovascular pathologies and drug discovery. Br.J.Pharmacol. 157 509 PMID: 19302590
Strobaeket al (2004) Activation of human IK and SK Ca2+-activated K+ channels by NS309 (6,7-dichloro-1H-indole-2,3-dione 3-oxime). Biochim.Biophys.Acta 1665 1 PMID: 15471565
Morimuraet al (2006) Voltage-dependent Ca2+-channel block by openers of intermediate and small conductance Ca2+-activated K+ channels in urinary bladder smooth muscle cells. J.Pharm.Sci. 100 237 PMID: