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Merck

N170

NS 1619

powder

Synonym(s):

1,3-Dihydro-1-[2-hydroxy-5-(trifluoromethyl)phenyl]-5-(trifluoromethyl)-2H-benzimidazol-2-one

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About This Item

Empirical Formula (Hill Notation):
C15H8F6N2O2
CAS Number:
153587-01-0
Molecular Weight:
362.23
NACRES:
NA.32
PubChem Substance ID:
24277860
UNSPSC Code:
12352200
MDL number:
MFCD00928190

Key Documents

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Product Name

NS 1619, powder

InChI

1S/C15H8F6N2O2/c16-14(17,18)7-1-3-10-9(5-7)22-13(25)23(10)11-6-8(15(19,20)21)2-4-12(11)24/h1-6,24H,(H,22,25)

SMILES string

Oc1ccc(cc1N2C(=O)Nc3cc(ccc23)C(F)(F)F)C(F)(F)F

InChI key

YLFMCMWKHSDUCT-UHFFFAOYSA-N

form

powder

color

white

solubility

45% (w/v) aq 2-hydroxypropyl-β-cyclodextrin: 0.47 mg/mL
ethanol: 26.6 mg/mL
0.1 M NaOH: 5.2 mg/mL
DMSO: 5.3 mg/mL
H2O: insoluble

Quality Level

200

Gene Information

mouse ... Kcnma1(16531)
rat ... Kcnma1(83731)

Related Categories

Application

NS 1619 has been used as calcium-activated potassium channels (BK)-activator: to study its vaso-relaxing effects on the thoracic aortic rings from mice, to evaluate its effects on the sarco-/endoplasmic reticulum Ca2+-ATPase (SERCA) activity from skeletal muscles, to determine its effects on the expression of caveolin-1 protein in mice brain tumor microvascular endothelial cells

Biochem/physiol Actions

NS 1619 is a selective large conductance Ca2+-activated K+-channel activator. The compound is known for its vasodilating and anti-proliferative properties. It is studied that NS 1619 can protect cardiac muscle against ischemia and reperfusion injury.
NS-1619 can promote the formation of mitochondrial reactive oxygen species (ROS) in cardiac myocytes. It enhances the formation of ROS in cultured brain slices. NS-1619 has the ability to enhance HO-1 activity in wild-type (WT) animals.

Disclaimer

Photosensitive

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
0000468145
0000468145
0000247388
0000247382
0000247388

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Yajun Liu et al.
American journal of physiology. Gastrointestinal and liver physiology, 302(1), G44-G54 (2011-09-17)
The objectives of this study were to determine whether neutrophil depletion with anti-neutrophil serum (ANS) or preconditioning with the hydrogen sulfide (H(2)S) donor NaHS (NaHS-PC) 24 h prior to ischemia-reperfusion (I/R) would prevent postischemic mitochondrial dysfunction in rat intestinal mucosa
Vincenzo Calderone et al.
Naunyn-Schmiedeberg's archives of pharmacology, 375(1), 73-80 (2007-01-05)
Large-conductance calcium-activated potassium channels (BK) of smooth muscle play a role in the relevant modulation of vascular tone, due to their calcium- and voltage-dependent mechanisms of activation. A potential role of endothelial BK channels has also been suggested by approaches
The potassium channel opener NS1619 modulates calcium homeostasis in muscle cells by inhibiting SERCA
Antoni Wrzosek
Cell Calcium (2014)
S P Olesen et al.
European journal of pharmacology, 251(1), 53-59 (1994-01-04)
Activators and blockers of specific ion channels are important pharmacological tools for characterizing ion channels and their influence on cell function. The large-conductance Ca(2+)-dependent K+ channel (BK channel) is blocked by peptides such as charybdotoxin and iberiotoxin, but no selective
Inhalation of the BKCa-Opener NS1619 Attenuates Right Ventricular Pressure and Improves Oxygenation in the Rat Monocrotaline Model of Pulmonary Hypertension
Marc R
PLoS ONE (2014)
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