18711-16-5

18711-16-5 structure

Name: NS309
Chemical Name: 6,7-dichloro-3-(hydroxyamino)indol-2-one
CAS Number: 18711-16-5
Molecular Formula: C₈H₄Cl₂N₂O₂
Molecular Weight: 231.036
Catalog: Signaling Pathways Membrane Transporter/Ion Channel Potassium Channel
Create Date: 2018-10-11 22:03:44
Modify Date: 2025-08-25 21:00:14
NS309 is a 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.IC50 value: Ca2+-activated K+ channelTarget:

Name	6,7-dichloro-3-(hydroxyamino)indol-2-one
Synonyms	1H-Indole-2,3-dione, 6,7-dichloro-, 3-oxime, (3E)- 6,7-Dichloro-3-(hydroxyimino)-1,3-dihydro-2H-indol-2-one NS-309 6,7-dichloro-1H-indole-2,3-dione-3-oxime (3E)-6,7-Dichloro-3-(hydroxyimino)-1,3-dihydro-2H-indol-2-one 6,7-dichloroisatin 3-oxime 1H-Indole-2,3-dione, 6,7-dichloro-, 3-oxime 6,7-Dichloro-1H-indole-2,3-dione 3-oxime 3-Oxime-6,7-dichloro-1H-indole-2,3-dione NS309

Description	NS309 is a 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.IC50 value: Ca2+-activated K+ channelTarget:
Related Catalog	Signaling Pathways >> Membrane Transporter/Ion Channel >> Potassium Channel Research Areas >> Cardiovascular Disease
References	[1]. Stankevicius, Edgaras; Dalsgaard, Thomas; Kroigaard, Christel et al. Opening of small and intermediate calcium-activated potassium channels induces relaxation mainly mediated by nitric-oxide release in large arteries and endothelium-derived hyperpolarizin [2]. Seear, Rachel V.; Lew, Virgilio L. IKCa agonist (NS309)-elicited all-or-none dehydration response of human red blood cells is cell-age dependent. Cell Calcium (2011), 50(5), 444-448. [3]. Dalsgaard, T.; Kroigaard, C.; Misfeldt, M. Openers of small conductance calcium-activated potassium channels selectively enhance NO-mediated bradykinin vasodilatation in porcine retinal arterioles. British Journal of Pharmacology (2010), 160(6), 1496-1508 [4]. Broendum, E.; Kold-Petersen, H.; Simonsen, U.; Aalkjaer, C. NS309 restores EDHF-type relaxation in mesenteric small arteries from type 2 diabetic ZDF rats. British Journal of Pharmacology (2010), 159(1), 154-165.

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi: Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26
RIDADR	NONH for all modes of transport
HS Code	2933790090

HS Code	2933790090
Summary	2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%