Size | Price | Stock | Qty |
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5mg |
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10mg |
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25mg |
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50mg |
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100mg |
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Other Sizes |
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Purity: ≥98%
Selamectin is a topical parasiticide and anthelminthic used on dogs and cats. It treats and prevents infections of heartworms, fleas, ear mites, sarcoptic mange (scabies), and certain types of ticks in dogs, and prevents heartworms, fleas, ear mites, hookworms, and roundworms in cats.
ln Vitro |
Radiolabeled selamectin was found to be a P-glycoprotein (P-gp) substrate with a secretion/absorption ratio of 4.7 when it was transported across the Caco-2 monolayer. In peripheral blood lymphocytes (PBL), selamectin inhibits Rh-123 efflux at a dose that is comparable to verapamil's inhibitory effect [2].
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ln Vivo |
B can be successfully avoided with topical selamectin 6 mg/kg once every two months. infection in cats with malayi. Twice a year, topical selamectin can stop microfilariae from circulating [1].
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References |
[1]. Patsharaporn T Sarasombath, et al. First study of topical selamectin efficacy for treating cats naturally infected with Brugia malayi and Brugia pahangi under field conditions. Parasitol Res. 2019 Apr;118(4):1289-1297.
[2]. J Griffin, et al. Selamectin is a potent substrate and inhibitor of human and canine P-glycoprotein. J Vet Pharmacol Ther. 2005 Jun;28(3):257-65 |
Molecular Formula |
C43H63NO11
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Molecular Weight |
769.96000
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CAS # |
220119-17-5
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Related CAS # |
220119-17-5
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SMILES |
O[C@@]12[C@@]3([H])/C(C(C)=C[C@@]1([H])C(O[C@]4([H])C[C@]5(O[C@@](C/C=C(C)/[C@@H](O[C@@]6([H])C[C@@H]([C@@H](O)[C@H](C)O6)OC)[C@@H](C)/C=C/C=C2\CO3)([H])C4)O[C@H](C7CCCCC7)[C@@H](C)CC5)=O)=N\O
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Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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Solubility (In Vitro) |
DMSO : ≥ 100 mg/mL (~129.88 mM)
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Solubility (In Vivo) |
Solubility in Formulation 1: ≥ 2.5 mg/mL (3.25 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL. Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution. Solubility in Formulation 2: 2.5 mg/mL (3.25 mM) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), suspension solution; with ultrasonication. For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly. Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution. View More
Solubility in Formulation 3: ≥ 2.5 mg/mL (3.25 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution. |
Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
1 mM | 1.2988 mL | 6.4938 mL | 12.9877 mL | |
5 mM | 0.2598 mL | 1.2988 mL | 2.5975 mL | |
10 mM | 0.1299 mL | 0.6494 mL | 1.2988 mL |
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.
Calculation results
Working concentration: mg/mL;
Method for preparing DMSO stock solution: mg drug pre-dissolved in μL DMSO (stock solution 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 stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.
(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.