ELQ-121
ELQ-121 is a potent inhibitor of the ubiquinol-oxidation (QO)-site of parasites. ELQ-121 has IC50 of 0.05 nM against chloroquine sensitive and multidrug resistant P. falciparum in vitro. ELQ-121 inhibits T. gondii and N. caninum with IC50 below 1 nM in vitro. ELQ-121 suppresses B. besnoiti tachyzoite proliferation with an IC50 of 0.49 nM and induces mitochondrial disruption. ELQ-121 can form polyethylene glycol carbonate ester prodrug which demonstrates in vivo efficacy against P. yoelii in mice. ELQ-121 is suitable for antimalarial research.
For research use only. We do not sell to patients.
- CAS No.: 1228283-36-0
- Formula: C17H21F2NO
- Molecular Weight:293.35
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Storage:
Please store the product under the recommended conditions in the Certificate of Analysis.
To place orders, for customer services and technical support, please contact: MedChemExpress USA
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Biological Activity
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Chemical Information
- Protocols
- Purity & Documentation
- References
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Help & FAQs
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Biological Activity
Description
Chemical Information
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CAS No. 1228283-36-0
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Molecular Weight 293.35
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Formula C17H21F2NO
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SMILES
FC1=C2C(NC(C)=C(CCCCCCC)C2=O)=CC(F)=C1
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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.
Protocols
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Cell Cytotoxicity Assay
Cytotoxicity assays are usually based on the assessment of cell membrane damage, which can also be indirectly detected by measuring cell viability. Detection methods include MTT assay, CKK-8 assay, LDH assay and ATP assay, etc.
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Cell Viability Determination by MTT Colorimetric Assay
The following protocol uses the MTT colorimetric assay as a classic literature-established method for assessing cell viability/metabolic activity in cultured mammalian cells. MTT[3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide] is reduced by metabolically active cells to a colored formazan product; the amount of formazan is quantified spectrophotometrically and provides an indirect measure of metabolically active viable cells. Importantly, MTT reduction reflects cellular oxidoreductase/metabolic activity rather than an absolute direct count of living cells, so changes in cellular metabolism can alter the signal independently of cell number.
Purity & Documentation
References
[1]. Probst, A. S., et al., (2025). In vivo screen of Plasmodium targets for mosquito-based malaria control. Nature. Advance online publication. [Content Brief]
[2]. Eberhard, N., et al., (2020). Activities of Endochin-Like Quinolones Against in vitro Cultured Besnoitia besnoiti Tachyzoites. Frontiers in veterinary science, 7, 96. [Content Brief]
[3]. Winter, R., et al., (2011). Optimization of endochin-like quinolones for antimalarial activity. Experimental parasitology, 127(2), 545–551. [Content Brief]
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
ELQ-121 Related Classifications
HY-174343 Related Classifications
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