Quinine

Quinine is an alkaloid derived from the bark of the cinchona tree, acts as an anti-malaria agent. Quinine is a potassium channel inhibitor that inhibits WT mouse Slo3 (KCa5.1) channel currents evoked by voltage pulses to +100 mV with an IC50 of 169 μM[1][2].

Product Specifications

CAS Number

[130-95-0]

UNSPSC

12352005

Hazard Statement

H302, H317, H320, H402

Target

Dengue Virus; Flavivirus; Parasite; Potassium Channel

Type

Natural Products

Related Pathways

Anti-infection; Membrane Transporter/Ion Channel

Applications

COVID-19-immunoregulation

Field of Research

Infection

Assay Protocol

https://www.medchemexpress.com/Quinine.html

Purity

99.82

Solubility

DMSO : ≥ 100 mg/mL|H2O : < 0.1 mg/mL

Smiles

O[C@H](C1=CC=NC2=C1C=C(OC)C=C2)[C@@]3([H])[N@](C[C@@H]4C=C)CC[C@H]4C3

Molecular Formula

C20H24N2O2

Molecular Weight

324.42

Precautions

H302, H317, H320, H402

References & Citations

[1]Wrighton DC, et al. Mechanism of inhibition of mouse Slo3 (KCa 5.1) potassium channels by quinine, quinidine and barium. Br J Pharmacol. 2015 Sep;172 (17) :4355-63.|[2]Jane Achan , et al. Quinine, an Old Anti-Malarial Drug in a Modern World: Role in the Treatment of Malaria. Malar J. 2011 May 24;10:144.|[3]Shilu Malakar, et al. Drug repurposing of quinine as antiviral against dengue virus infection. Virus Res. 2018 Aug 15;255:171-178. doi: 10.1016/j.virusres.2018.07.018. Epub 2018 Jul 25.|[4]Jhanwar, Deepika, et al. Chemoprevention of DMBA induced skin carcinogenesis in swiss albino mice by quinine sulfate. (2016) : 2636-2640.|[5]Ebenezer O Farombi, et al. Quercetin protects against testicular toxicity induced by chronic administration of therapeutic dose of quinine sulfate in rats. J Basic Clin Physiol Pharmacol. 2012 Feb 27;23 (1) :39-44.