Naphthoquine phosphate
Based on 1 Customer Validation
Naphthoquine phosphate is an orally active antimalarial and antiviral agent. Naphthoquine phosphate exhibits ex vivo activity against multidrug-resistant Plasmodium falciparum and Plasmodium vivax, preferentially targeting ring-stage rather than trophozoite-stage parasites. Naphthoquine phosphate inhibits coronavirus (SARS-CoV-2, HCoV-OC43, HCoV-229E) replication by affecting viral entry and post-entry replication. Naphthoquine phosphate is used for research on malaria and Covid-19.
For research use only. We do not sell to patients.
- Purity : 99.33%
- CAS No.: 173531-58-3
- Formula: C24H34ClN3O9P2
- Molecular Weight:605.94
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Storage:
4°C, sealed storage, away from moisture
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
To place orders, for customer services and technical support, please contact: MedChemExpress USA
Tel: 609-228-6898 E-mail: [email protected] [email protected]
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Biological Activity
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Chemical Information
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Solvent & Solubility
- Protocols
- Purity & Documentation
- References
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Help & FAQs
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Biological Activity
Description
IC50 & Target
[1]|
Plasmodium |
In Vitro
Naphthoquine (2-fold serial dilution, maximum concentration of 481 nM; 24 h) exhibits stage-specific activity in Plasmodium falciparum (median IC50 of 5.1 nM for rings versus median IC50 of 26.5 nM for trophozoites), as well as in Plasmodium vivax (median IC50 of 6.5 nM for rings versus median IC50 of 341.6 nM for trophozoites)[2].
Naphthoquine (1.02-9.16 μM; 72 h) inhibits HCoV-OC43 replication in H460 cells with an IC50 of 5.83 μM[3].
Naphthoquine (12 h (pretreatment); 48 h (post-infection)) inhibits SARS-CoV-2 replication in Vero cells with an IC50 of 2.01 μM[3].
Naphthoquine (10 μM; 60 min) shows no sex-related differences in metabolic clearance rate in mouse and rat liver microsomes[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Cell Line:Vero cells infected with SARS-CoV-2
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Concentration:Different doses
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Incubation Time:12 h (pretreatment); 48 h (post-infection)
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Result:Inhibited SARS-CoV-2 replication with an IC50 of 2.01 μM.
Achieved a CC50 of 13.50 μM.
Achieved a selection index of 6.72.
In Vivo
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:ICR mice (male and female, 20-25 g)[1]
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Dosage:0.71-1.67 mg/kg (ED50/ED90); 4.0 mg/kg (single dose efficacy)
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Administration:p.o.; single dose; 24 h post-infection
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Result:Achieved an ED50 of 0.71 mg/kg and an ED90 of 1.10 mg/kg in male mice.
Achieved an ED50 of 0.94 mg/kg and an ED90 of 1.67 mg/kg in female mice.
Reduced parasitaemia to less than 1.0% on day 4 post-dosing and resulted in 7 out of 9 mice surviving for at least 28 days without parasitaemia at 4.0 mg/kg.
Showed no toxicity at a dose as high as tenfold the ED50 based on weight and locomotor activity.
Chemical Information
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CAS No. 173531-58-3
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Appearance Solid
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Molecular Weight 605.94
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Formula C24H34ClN3O9P2
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Color Light yellow to yellow
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SMILES
ClC1=CC=C(C(NC2=C(CCCC3)C3=C(O)C(CNC(C)(C)C)=C2)=CC=N4)C4=C1.O=P(O)(O)O.O=P(O)(O)O
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
4°C, sealed storage, away from moisture
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
Solvent & Solubility
In Vitro:
H2O : 3.33 mg/mL (5.50 mM; Need ultrasonic)
DMSO : < 1 mg/mL (insoluble or slightly soluble)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Purity & Documentation
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Data Sheet (278 KB)
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SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Korean - KR (252 KB)
- Portuguese - PT (252 KB)
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Handling Instructions (2659 KB)
References
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| H2O | 1 mM | 1.6503 mL | 8.2516 mL | 16.5033 mL | 41.2582 mL |
| 5 mM | 0.3301 mL | 1.6503 mL | 3.3007 mL | 8.2516 mL |
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
Naphthoquine phosphate Related Classifications
HY-17036 Related Classifications
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Keywords
- Naphthoquine
- 173531-58-3
- Parasite
- SARS-CoV
- 4-aminoquinoline antimalarial agent
- coronavirus replication
- CYP2D6-dependent hydroxylation
- blood-stage Plasmodium
- N-oxidation metabolism
- Plasmodium vivax
- Acinetobacter baumannii
- angiotensin-converting enzyme 2
- haemozoin formation
- Plasmodium falciparum
- Inhibitor
- inhibitor
- inhibit