Date published: 2026-5-6

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NS-1619 (CAS 153587-01-0)

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Alternate Names:
1,3-Dihydro-1-[2-hydroxy-5-(trifluoromethyl)phenyl]-5-(trifluoromethyl)-2H-benzimidazol-2-one
Application:
NS-1619 is a selective large conductance calcium activated potassium channel activator
CAS Number:
153587-01-0
Purity:
≥98%
Molecular Weight:
362.23
Molecular Formula:
C15H8F6N2O2
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

QUICK LINKS

A selective large conductance calcium activated potassium channel activator. In neutrophils, NS-1619 activation of BKCa channels increased alkalinization of phagocytic vacuoles


NS-1619 (CAS 153587-01-0) References

  1. Role of Ca(2+)-dependent K+ channels in erythrocyte lysate-induced contraction of rabbit cerebral artery.  |  Kim, CJ., et al. 1999. Neurol Res. 21: 705-11. PMID: 10555196
  2. Stimulus duration-dependent contribution of k(ca) channel activation and cAMP to hypoxic cerebrovasodilation.  |  Ben-Haim, G. and Armstead, WM. 2000. Brain Res. 853: 330-7. PMID: 10640631
  3. 5-(4'-Substituted-2'-nitroanilino)-1,2,3-triazoles as new potential potassium channel activators. I.  |  Biagi, G., et al. 2000. Eur J Med Chem. 35: 715-20. PMID: 10960187
  4. BK channel activation by NS-1619 is partially mediated by intracellular Ca2+ release in smooth muscle cells of porcine coronary artery.  |  Yamamura, H., et al. 2001. Br J Pharmacol. 132: 828-34. PMID: 11181423
  5. The large-conductance Ca2+-activated K+ channel is essential for innate immunity.  |  Ahluwalia, J., et al. 2004. Nature. 427: 853-8. PMID: 14985765
  6. The mitochondrial Ca2+-activated K+ channel activator, NS 1619 inhibits L-type Ca2+ channels in rat ventricular myocytes.  |  Park, WS., et al. 2007. Biochem Biophys Res Commun. 362: 31-36. PMID: 17698036
  7. Preconditioning with the BKCa channel activator NS-1619 prevents ischemia-reperfusion-induced inflammation and mucosal barrier dysfunction: roles for ROS and heme oxygenase-1.  |  Dai, H., et al. 2017. Am J Physiol Heart Circ Physiol. 313: H988-H999. PMID: 28822969
  8. Ion channel modulation by NS 1619, the putative BKCa channel opener, in vascular smooth muscle.  |  Edwards, G., et al. 1994. Br J Pharmacol. 113: 1538-47. PMID: 7534190
  9. NS 1619 activates BKCa channel activity in rat cortical neurones.  |  Lee, K., et al. 1995. Eur J Pharmacol. 280: 215-9. PMID: 7589189
  10. Selective activation of Ca(2+)-dependent K+ channels by novel benzimidazolone.  |  Olesen, SP., et al. 1994. Eur J Pharmacol. 251: 53-9. PMID: 8137869
  11. A comparison of the effects of SCA40, NS 004 and NS 1619 on large conductance Ca(2+)-activated K+ channels in bovine tracheal smooth muscle cells in culture.  |  Macmillan, S., et al. 1995. Br J Pharmacol. 116: 1656-60. PMID: 8564233
  12. NS 1619 activates Ca2+-activated K+ currents in rat vas deferens.  |  Huang, Y., et al. 1997. Eur J Pharmacol. 325: 21-7. PMID: 9151934
  13. Inhibition of guinea pig detrusor contraction by NS-1619 is associated with activation of BKCa and inhibition of calcium currents.  |  Sheldon, JH., et al. 1997. J Pharmacol Exp Ther. 283: 1193-200. PMID: 9399993

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

NS-1619, 5 mg

sc-200986
5 mg
$133.00