Quinidine sulfate
Based on 24 publication(s) in Google Scholar
Quinidine Monosulfate is an antiarrhythmic agent. Quinidine Monosulfate is a potent, orally active, selective cytochrome P450db inhibitor. Quinidine Monosulfate is also a K+ channel blocker with an IC50 of 19.9 μM, and can induce apoptosis. Quinidine Monosulfate can be used for malaria research.
For research use only. We do not sell to patients.
- CAS No.: 50-54-4
- Formula: C20H26N2O6S
- Molecular Weight:373.46
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Storage:
Please store the product under the recommended conditions in the Certificate of Analysis.
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Biological Activity
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Chemical Information
- Purity & Documentation
- References
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Publications Citing Use of MedChemExpress (MCE) Quinidine sulfate
More- Nat Commun. 2024 Jun 19;15(1):5230. [Abstract]
- Adv Sci (Weinh). 2025 Aug 19:e05666. [Abstract]
- J Hazard Mater. 2021 Aug 15:416:125764. [Abstract]
- Environ Int. 2019 Jun;127:694-703. [Abstract]
- Chemosphere. 2021 Dec:284:131347. [Abstract]
- Environ Pollut. 2024 May 25:124214. [Abstract]
- J Med Chem. 2021 Mar 11;64(5):2725-2738. [Abstract]
- J Med Chem. 2020 Oct 8;63(19):11085-11099. [Abstract]
- Anal Chem. 2025 Nov 18;97(45):25158-25167. [Abstract]
- Cell Mol Life Sci. 2025 Nov 25;82(1):419. [Abstract]
- J Agric Food Chem. 2022 Mar 2;70(8):2520-2528. [Abstract]
- Pharmaceutics. 2025 Mar 26;17(4):423. [Abstract]
- Front Pharmacol. 2020 Jul 31;11:1038. [Abstract]
- RSC Adv. 2019 May 23;9(28):16136-16146. [Abstract]
- Cell Calcium. 2026 Mar:134:103125. [Abstract]
- Virol J. 2024 Aug 8;21(1):181. [Abstract]
- AAPS J. 2021 Jun 28;23(4):91. [Abstract]
- Food Chem Toxicol. 2022 Nov:169:113431. [Abstract]
- Andrology. 2025 Oct;13(7):1805-1815. [Abstract]
- J Anim Sci. 2022 Apr 1;100(4):skac069. [Abstract]
- Vet Microbiol. 2026 May:316:110992. [Abstract]
- Eur J Drug Metab Pharmacokinet. 2022 Sep;47(5):639-652. [Abstract]
- Pharmacol Res Perspect. 2021 Oct;9(5):e00879. [Abstract]
- Pharmacol Res Perspect. 2020 Apr;8(2):e00575. [Abstract]
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Biological Activity
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Plasmodium |
Quinidine Monosulfate shows cytotoxicity against MES-SA cells, and induces apoptosis[4].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Cell Line:MES-SA and MESSA/DX5 cells
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Concentration:10 μM
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Incubation Time:24 hours
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Result:Showed cytotoxicity against MES-SA cells in a concentration-dependent manner.
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Cell Line:MES-SA and MESSA/DX5 cells
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Concentration:10 μM
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Incubation Time:24 hours
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Result:Increased the apoptotic portion sub-G1 DNA contents induced by paclitaxel, while paclitaxel had no effect on sub-G1 DNA contents undergoing apoptosis.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:Male mice of the NMRI strain (age 5-6 weeks and weight 25-30 g)[5]
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Dosage:10, 20, and 30 mg/kg
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Administration:Intraperitoneal injection; 10, 20, and 30 mg/kg; once
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Result:Increased the threshold dose for the onset to tonic hind limb extension at a dose of 30 mg/kg, compared to the saline-treated control group (p<0.05).
| NCT Number | Sponsor | Condition | Start Date |
Phase
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|---|---|---|---|---|
| NCT01329991 | Plexxikon| | 2011-05 | PHASE1 |
Chemical Information
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CAS No. 50-54-4
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Molecular Weight 373.46
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Formula C20H26N2O6S
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SMILES
O=S(O)(O)=O.C=C[C@H]1C[N@](CC[C@H]1C2)[C@@]2([H])[C@@H](O)C3=CC=NC4=CC=C(OC)C=C34.[0.5]
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Please store the product under the recommended conditions in the Certificate of Analysis.
Publications (24)
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Journal Impact Factor
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Most Recent
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Nat Commun
Small molecule in situ resin capture provides a compound first approach to natural product discovery. [Abstract]2024 Jun 19;15(1):5230. PMID: 38898025 -
Adv Sci (Weinh)
LPS-Induced Mitochondrial Damage via SLC41A1-Mediated Magnesium Ion Efflux Leads to the Pyroptosis of Dental Stem Cells. [Abstract]2025 Aug 19:e05666. PMID: 40831212
Quinidine sulfate purchased from MedChemExpress. Usage Cited in: Adv Sci (Weinh). 2025 Aug 19:e05666. [Abstract]
Quinidine rescued [Mg2⁺]i levels in LPS‐treated or TRPM7‐silenced DPSCs and SCAP.
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J Hazard Mater
Stereostructure-activity mechanism of cyproconazole by cytochrome P450 in rat liver microsomes: A combined experimental and computational study. [Abstract]2021 Aug 15:416:125764. PMID: 33827004
Quinidine sulfate purchased from MedChemExpress. Usage Cited in: J Hazard Mater. 2021 Aug 15:416:125764. [Abstract]
Effects of CYP enzymes inhibitors on metabolic rates of cyproconazole stereoisomers in the in vitro incubation mixtures with RLMs. The asterisks (*) indicates the significant difference in metabolic rates under inhibition compared to the control.
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Environ Int
2019 Jun;127:694-703. PMID: 30991225
Quinidine sulfate purchased from MedChemExpress. Usage Cited in: Environ Int. 2019 Jun;127:694-703. [Abstract]
CYP2D6 has contributed in the enantioselectivity of IFP and ICPO because the EF value of the KND-supplemented group follows a doseeffect relationship and the difference in the EF values was over 10% relative to the DMSO control group.
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Chemosphere
A proposed "steric-like effect" for the slowdown of enrofloxacin antibiotic metabolism by ciprofloxacin, and its mechanism. [Abstract]2021 Dec:284:131347. PMID: 34323809 -
Environ Pollut
Assessing environmental and human health risks: Insight from the enantioselective metabolism and degradation of fenpropidin. [Abstract]2024 May 25:124214. PMID: 38801883 -
J Med Chem
Development of an In Silico Prediction Model for P-glycoprotein Efflux Potential in Brain Capillary Endothelial Cells toward the Prediction of Brain Penetration. [Abstract]2021 Mar 11;64(5):2725-2738. PMID: 33619967 -
J Med Chem
Screening and Reverse-Engineering of Estrogen Receptor Ligands as Potent Pan-Filovirus Inhibitors. [Abstract]2020 Oct 8;63(19):11085-11099. PMID: 32886512 -
Anal Chem
A Computational Integration Strategy Driven by Chemical Similarity Uncovers Comprehensive Metabolic Profiles of Small Bioactive Peptides via UHPLC-HRMS for Doping Control. [Abstract]2025 Nov 18;97(45):25158-25167. PMID: 41202118 -
Cell Mol Life Sci
2025 Nov 25;82(1):419. PMID: 41288707 -
J Agric Food Chem
Enantioselective Metabolic Mechanism and Metabolism Pathway of Pydiflumetofen in Rat Liver Microsomes: In Vitro and In Silico Study. [Abstract]2022 Mar 2;70(8):2520-2528. PMID: 35184556 -
Pharmaceutics
Plasma Protein Binding, Biostability, Metabolite Profiling, and CYP450 Phenotype of TPB15 Across Different Species: A Novel Smoothened Inhibitor for TNBC Therapy. [Abstract]2025 Mar 26;17(4):423. PMID: 40284418 -
Front Pharmacol
Eye Drops of Metformin Prevents Fibrosis After Glaucoma Filtration Surgery in Rats via Activating AMPK/Nrf2 Signaling Pathway. [Abstract]2020 Jul 31;11:1038. PMID: 32903813
Quinidine sulfate purchased from MedChemExpress. Usage Cited in: Front Pharmacol. 2020 Jul 31;11:1038. [Abstract]
Cell cycle relative proteins/genes (CyclinD1, CDK4, P21 and P27) level were assessed in HConFs after Quinidine treatment by western blot.
Quinidine sulfate purchased from MedChemExpress. Usage Cited in: Front Pharmacol. 2020 Jul 31;11:1038. [Abstract]
Cell cycle relative proteins/genes (CyclinD1, CDK4, P21 and P27) level were assessed in HConFs after Atropine/Quinidine treatment by qRT-PCR.
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RSC Adv
Identification of key transporters mediating uptake of aconitum alkaloids into the liver and kidneys and the potential mechanism of detoxification by active ingredients of liquorice. [Abstract]2019 May 23;9(28):16136-16146. PMID: 35521419 -
Cell Calcium
MONNA alleviates MPTP-induced Parkinson's disease in zebrafish by activating TFEB dependently on ER Calcium. [Abstract]2026 Mar:134:103125. PMID: 41637953 -
Virol J
2024 Aug 8;21(1):181. PMID: 39118175 -
AAPS J
Cannabinoid Interactions with Cytochrome P450 Drug Metabolism: a Full-Spectrum Characterization. [Abstract]2021 Jun 28;23(4):91. PMID: 34181150 -
Food Chem Toxicol
The "steric-like" inhibitory effect and mechanism of doxycycline on florfenicol metabolism: Interaction risk. [Abstract]2022 Nov:169:113431. PMID: 36116547 -
Andrology
Pharmacological inhibition of KSper impairs flagellar pH homeostasis of human spermatozoa. [Abstract]2025 Oct;13(7):1805-1815. PMID: 39498893 -
J Anim Sci
2022 Apr 1;100(4):skac069. PMID: 35247050 -
Vet Microbiol
The Chinese medicine monomer Schisandrin C inhibits PRRSV infection by regulating the OGT-PI3K/AKT/mTOR signaling pathway. [Abstract]2026 May:316:110992. PMID: 41865607 -
Eur J Drug Metab Pharmacokinet
Evaluation of an Ussing Chamber System Equipped with Rat Intestinal Tissues to Predict Intestinal Absorption and Metabolism in Humans. [Abstract]2022 Sep;47(5):639-652. PMID: 35733077 -
Pharmacol Res Perspect
Effects of membrane transport activity and cell metabolism on the unbound drug concentrations in the skeletal muscle and liver of drugs: A microdialysis study in rats. [Abstract]2021 Oct;9(5):e00879. PMID: 34628723 -
Pharmacol Res Perspect
Applicability of free drug hypothesis to drugs with good membrane permeability that are not efflux transporter substrates: A microdialysis study in rats. [Abstract]2020 Apr;8(2):e00575. PMID: 32266794
Purity & Documentation
References
[1]. Roden DM, et al. Class I antiarrhythmic agents: quinidine, procainamide and N-acetylprocainamide, disopyramide. [Content Brief]
[2]. Kehl SJ, et al. Quinidine-induced inhibition of the fast transient outward K+ current in rat melanotrophs. Br J Pharmacol. 1991 Jul;103(3):1807-13. [Content Brief]
[3]. Moody DE, et al. Quinidine inhibits in vivo metabolism of amphetamine in rats: impact upon correlation between GC/MS and immunoassay findings in rat urine. J Anal Toxicol. 1990 Sep-Oct;14(5):311-7. [Content Brief]
[4]. Sang-Yun Lee, et al. Hydrocinchonine, cinchonine, and quinidine potentiate paclitaxel-induced cytotoxicity and apoptosis via multidrug resistance reversal in MES-SA/DX5 uterine sarcoma cells. Environ Toxicol. 2011 Aug;26(4):424-31. [Content Brief]
[5]. Hassan Jamali, et al. Effect of dextromethorphan/quinidine on pentylenetetrazole- induced clonic and tonic seizure thresholds in mice. Neurosci Lett. 2020 Jun 11;729:134988. [Content Brief]
Calculators
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