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N2538 Sigma

NS8593 hydrochloride

≥98% (HPLC), powder

Synonym: N-[(1R)-1,2,3,4-Tetrahydro-1-naphthalenyl]-1H-Benzimidazol-2-amine hydrochloride

  • CAS Number 875755-24-1

  • Empirical Formula (Hill Notation) C17H17N3 · HCl

  • Molecular Weight 299.80

  •  PubChem Substance ID 329818415

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Properties

Related Categories Bioactive Small Molecule Alphabetical Index, Bioactive Small Molecules, Cell Biology, Cell Signaling and Neuroscience, Ion Channels,
InChI Key   VWEKCDTXUUPBNA-PFEQFJNWSA-N
assay   ≥98% (HPLC)
form   powder
solubility   DMSO: >10 mg/mL
  H2O: insoluble
storage temp.   2-8°C

Description

Packaging

5, 25 mg in glass bottle

Biochem/physiol Actions

The compound (R)-N-(benzimidazol-2-yl)-1,2,3,4-tetrahydro-1-naphtylamine (NS8593) reversibly inhibited recombinant SK3-mediated currents (human and rat SK3) with potencies around 100 nM. NS8593 did not inhibit 125I-apamin binding. NS8593 decreased the calcium sensitivity by shifting the activation curve for Ca2+ to the right, only slightly affecting the maximal Ca2+-activated SK current. NS8593 inhibited all the SK1-3 subtypes Ca2+-dependently (Kd = 0.42, 0.60, and 0.73 μM, respectively, at 0.5 μM Ca2+. NS8593 did not affect the calcium-activated potassium channels of intermediate and large conductance (hIK and hBK channels, respectively). NS8593-mediated inhibition was prevented in the presence of a high concentration of the positive modulator NS309.

Features and Benefits

This compound is also offered as part of Sigma′s Library of Pharmacologically Active Compounds (LOPAC®1280), a biologically annotated collection of high-quality, ready-to-screen compounds. Click here to learn more.

This compound is featured on the Potassium Channels page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

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Documents

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Protocols & Articles

Articles

Potassium Channels

Potassium channels are essential in both excitable and non-excitable cells for the control of membrane potential, regulation of cell volume, and the secretion of salt, neurotransmitters and hormones....
Keywords: Absorption, Cancer, Cell proliferation, Cell signaling, Diabetes, Diseases, Hormones, Ligands, Neurotransmitters, Phosphorylations, Sequencing

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