NS1643
- CAS NO.:448895-37-2
- Empirical Formula: C15H10F6N2O3
- Molecular Weight: 380.24
- MDL number: MFCD08705418
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-07-03 18:06:58
What is NS1643?
The Uses of NS1643
NS 1643 is a human ether-a-go-go-related gene 1 potassium channel (KCNH2) activator.
What are the applications of Application
NS 1643 is an antiarrhythmic activator of hERG K+ channels
Biological Activity
Human ether-a-go-go related gene (hERG) K + channel activator (EC 50 = 10.5 μ M). Exhibits different molecular mechanisms of action at hERG1 and hERG2 channels. Displays antiarrhythmic activity in vitro .
Storage
+4°C
Properties of NS1643
| Boiling point: | 342.3±42.0 °C(Predicted) |
| Density | 1.626±0.06 g/cm3(Predicted) |
| storage temp. | Inert atmosphere,2-8°C |
| solubility | DMSO: ≥20mg/mL |
| pka | 6.84±0.13(Predicted) |
| form | solid |
| color | white to off-white |
Safety information for NS1643
| Signal word | Danger |
| Pictogram(s) |
![]() Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for NS1643
New Products
2-(2-Chlorophenyl)glycine Propiolic Acid 1-(3-Hydroxy-4-methoxyphenyl)-2-nitroethene (±)-amino(2-fluorophenyl)acetic acid trans-3-Benzyloxy-4-methoxy-beta-nitrostyrene 1-Pentadecanol 2,4-Dihydroxybenzaldehyde Dipropyl disulfide Pyrrolo[1,2-a]pyrimidine-6-carboxylic acid, 4,6,7,8-tetrahydro-4-oxo-, sodium salt (1:1), (6S) Obidoxime hydrochloride API 4 pentyn 1 ol N-Vinylformamide Methacrylate-PEG-Methacrylate, Mn:35000 2,4-Dihydroxyacetophenone 2-Chloro 5-Fluoro Pyridine Vasicinone 2-Chloroisonicotinic Acid Tween 80 or Polysorbate 80 2-Butyn-1-oL N-(4-Cyano-3-(trifluoromethyl)phenyl)-2-methyloxirane-2-carboxamide N-(4-fluoro-2-methoxy-5-nitrophenyl)-4-(1-methyl-1H-indol-3-yl)pyrimidin-2-amine Pirtobrutinib intd. 2-Pentyn-1-oL 4-NitrobenzotrifluorideRelated products of tetrahydrofuran







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