Atovaquone

Catalog No.S3079 Synonyms: Atavaquone

For research use only.

Atovaquone (Atavaquone) is a medication used to treat or prevent for pneumocystis pneumonia, toxoplasmosis, malaria, and babesia.

Atovaquone Chemical Structure

CAS No. 95233-18-4

Selleck's Atovaquone has been cited by 2 Publications

Purity & Quality Control

Choose Selective Fungal Inhibitors

Biological Activity

Description Atovaquone (Atavaquone) is a medication used to treat or prevent for pneumocystis pneumonia, toxoplasmosis, malaria, and babesia.
In vitro

Atovaquone (atavaquone) is a chemical compound that belongs to the class of naphthalenes. Atovaquone is a hydroxy-1,4-naphthoquinone, an analog of ubiquinone, with antipneumocystic activity.[1] Atovaquone is an anti-protozoal mitochondrial electron transport inhibitor; Antimalarial; Antipneumocystic, and has also been used to treat toxoplasmosis. It acts by inhibiting the cytochrome bc(1) complex via interactions with the Rieske iron-sulfur protein and cytochrome b in the ubiquinol oxidation pocket. [2]

In vivo Atovaquone is a unique naphthoquinone with broad-spectrum antiprotozoal activity. It is effective for the treatment and prevention of Pneumocystis carinii pneumonia (PCP), it is effective in combination with proguanil for the treatment and prevention of malaria, and it is effective in combination with azithromycin for the treatment of babesiosis. [3]

Protocol (from reference)

Solubility (25°C)

In vitro

DMSO 5 mg/mL
(13.62 mM)
Water Insoluble
Ethanol Insoluble

In vivo

Add solvents to the product individually and in order
(Data is from Selleck tests instead of citations):
5% DMSO+corn oil
For best results, use promptly after mixing.

0.5mg/mL

* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Chemical Information

Molecular Weight 366.84
Formula

C22H19ClO3

CAS No. 95233-18-4
Storage 3 years -20°C powder
2 years -80°C in solvent
Smiles C1CC(CCC1C2=CC=C(C=C2)Cl)C3=C(C4=CC=CC=C4C(=O)C3=O)O

In vivo Formulation Calculator (Clear solution)

Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)

mg/kg g μL

Step 2: Enter the in vivo formulation (This is only the calculator, not formulation. Please contact us first if there is no in vivo formulation at the solubility Section.)

% DMSO % % Tween 80 % ddH2O
%DMSO %

Calculation results:

Working concentration: mg/ml;

Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such
as vortex, ultrasound or hot water bath can be used to aid dissolving.

Molarity Calculator

Mass Concentration Volume Molecular Weight

Clinical Trial Information

NCT Number Recruitment Interventions Conditions Sponsor/Collaborators Start Date Phases
NCT04002687 Completed Drug: ATV-PG 1000-400 mg + AQ 612 mg Malaria Medicines for Malaria Venture|Richmond Pharmacology Limited April 4 2019 Phase 1
NCT02628080 Completed Drug: Atovaquone Carcinoma Non-Small-Cell Lung University of Oxford May 2016 Early Phase 1
NCT01858831 Completed Drug: Atovaquone/proguanil HCL|Drug: Atovaquone Malaria GlaxoSmithKline April 2012 Phase 1

(data from https://clinicaltrials.gov, updated on 2022-01-17)

Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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