Fluralaner
Based on 8 publication(s) in Google Scholar
Fluralaner (INN) is a systemic insecticide and acaricide Fluralaner through potent blockage of GABA and L-glutamate gated chloride channels.
For research use only. We do not sell to patients.
- Purity: 99.98%
- CAS No.: 864731-61-3
- Formula: C22H17Cl2F6N3O3
- Molecular Weight:556.29
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Storage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 2 years , -20°C, 1 year
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Biological Activity
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Chemical Information
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Solvent & Solubility
- Protocol
- Purity & Documentation
- References
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Help & FAQs
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Publications Citing Use of MedChemExpress (MCE) Fluralaner
More- Int J Mol Sci. 2023 Oct 26;24(21):15627. [Abstract]
- Poult Sci. 2024 Jul;103(7):103843. [Abstract]
- Poult Sci. 2024 Mar;103(3):103362. [Abstract]
- Pestic Biochem Physiol. 2026 Mar 17.
- Pestic Biochem Physiol. 2022 Oct:187:105184. [Abstract]
- Pest Manag Sci. 2025 Oct 2. [Abstract]
- Vet Parasitol. 2025 Sep 4:340:110600. [Abstract]
- Research Square Preprint. 2020 Dec.
All Parasite Isoforms
More
Biological Activity
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Mite |
Fluralaner potently inhibits flea reproduction capacity in vitro. Oviposition ceases completely at concentrations as low as 25.0 ng/mL. While no ovicidal effect is observed, fluralaner exerts a larvicidal effect at exceptionally low concentrations (6.25 ng/mL)[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 864731-61-3
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Appearance Solid
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Molecular Weight 556.29
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Formula C22H17Cl2F6N3O3
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Color White to off-white
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SMILES
O=C(NCC(NCC(F)(F)F)=O)C1=CC=C(C2=NOC(C(F)(F)F)(C3=CC(Cl)=CC(Cl)=C3)C2)C=C1C
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Synonyms
A1443; AH252723
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Powder -20°C 3 years 4°C 2 years In solvent -80°C 2 years -20°C 1 year
Publications (8)
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Journal Impact Factor
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Most Recent
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Int J Mol Sci
The Toxicity Differences of Fluralaner against the Red Imported Fire Ant (Solenopsis invicta) at Different Developmental Stages. [Abstract]2023 Oct 26;24(21):15627. PMID: 37958611 -
Poult Sci
Residue, distribution and depletion of fluralaner in egg following a single intravenous and transdermal administration in healthy shaver hens: fluralaner residue in egg. [Abstract]2024 Jul;103(7):103843. PMID: 38806001 -
Poult Sci
Pharmacokinetics of intravenously and trans-dermally administered fluralaner in healthy laying shaver hens: fluralaner in chickens. [Abstract]2024 Mar;103(3):103362. PMID: 38218115 -
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Pestic Biochem Physiol
Insecticidal and P450 mediate metabolism of fluralaner against red imported fire ant, Solenopsis invicta (Hymenoptera: Formicidae). [Abstract]2022 Oct:187:105184. PMID: 36127046 -
Pest Manag Sci
Repurposing isoxazoline insecticides to control Varroa destructor populations in honey bee colonies. [Abstract]2025 Oct 2. PMID: 41039832 -
Vet Parasitol
Standardization of larval bioassays for determination of fluralaner susceptibility in Rhipicephalus microplus. [Abstract]2025 Sep 4:340:110600. PMID: 40915046 -
Solvent & Solubility
DMSO : 200 mg/mL (359.52 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Select the appropriate dissolution method based on your experimental animal and administration route.
- For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
- To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for In Vivo experiments, it is recommended to prepare freshly and use it on the same day.
- The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.
Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline
Solubility: ≥ 2.25 mg/mL (4.04 mM); Clear solution
This protocol yields a clear solution of ≥ 2.25 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (22.5 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.
Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: ≥ 2.25 mg/mL (4.04 mM); Clear solution
This protocol yields a clear solution of ≥ 2.25 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (22.5 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
Please enter the basic information of animal experiments:
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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
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%DMSO +
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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%+
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+%Tween-80 + +
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%Saline +
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Working solution concentration: 0.22 mg/mL
Method for preparing stock solution: mg drug dissolved in μL DMSO. Stock solution concentration: mg/mL.
1. Take μL DMSO stock solution;
2. Add μL .
μL , mix evenly;
3. Then add μL Tween 80, mix evenly;
4. Then add μL
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Protocol
Dogs: Thirty-two (16 male and 16 female) healthy 8-week old Beagle dogs weighing 2.0 - 3.6 kg at first administration are included in the study. Fluralaner is administered on three occasions at 8-week intervals at doses of up to 56, 168, and 280 mg fluralaner/kg body weight, equivalent to 1, 3, and 5 times the highest recommended treatment dose of fluralaner; sham dosed dogs served as controls[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Purity & Documentation
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Data Sheet (273 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)
- Portuguese - PT (252 KB)
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Handling Instructions (2659 KB)
References
[1]. Williams H, et al. Fluralaner, a novel isoxazoline, prevents flea (Ctenocephalides felis) reproduction in vitro and in asimulated home environment. Parasit Vectors. 2014 Jun 19;7:275. [Content Brief]
[2]. Walther FM, et al. Safety of fluralaner, a novel systemic antiparasitic drug, in MDR1(-/-) Collies after oral administration. Parasit Vectors. 2014 Mar 6;7:86. [Content Brief]
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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
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| DMSO | 1 mM | 1.7976 mL | 8.9881 mL | 17.9762 mL | 44.9406 mL |
| 5 mM | 0.3595 mL | 1.7976 mL | 3.5952 mL | 8.9881 mL | |
| 10 mM | 0.1798 mL | 0.8988 mL | 1.7976 mL | 4.4941 mL | |
| 15 mM | 0.1198 mL | 0.5992 mL | 1.1984 mL | 2.9960 mL | |
| 20 mM | 0.0899 mL | 0.4494 mL | 0.8988 mL | 2.2470 mL | |
| 25 mM | 0.0719 mL | 0.3595 mL | 0.7190 mL | 1.7976 mL | |
| 30 mM | 0.0599 mL | 0.2996 mL | 0.5992 mL | 1.4980 mL | |
| 40 mM | 0.0449 mL | 0.2247 mL | 0.4494 mL | 1.1235 mL | |
| 50 mM | 0.0360 mL | 0.1798 mL | 0.3595 mL | 0.8988 mL | |
| 60 mM | 0.0300 mL | 0.1498 mL | 0.2996 mL | 0.7490 mL | |
| 80 mM | 0.0225 mL | 0.1124 mL | 0.2247 mL | 0.5618 mL | |
| 100 mM | 0.0180 mL | 0.0899 mL | 0.1798 mL | 0.4494 mL |
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