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Synonyms: Rimadyl, Ridamyl, Imadyl
| Description | Carprofen (Ridamyl) is a propionic acid derivate and nonsteroidal anti-inflammatory drug (NSAID) with anti-inflammatory, analgesic, and antipyretic activities. |
| Targets & IC50 | FAAH:78.6 μM, COX-2 (canine):30 nM, COX-1:22.3 μM |
| In vitro | Administration of 4 mg/kg Carprofen significantly elevated peak plasma concentrations in dogs. Compared to buprenorphine, Carprofen treatment resulted in marginally superior analgesic effects with reduced sedative action in canines. Preoperative administration of Carprofen in dogs yielded lower pain scores than other groups, with marked effectiveness observed 2 hours post-extubation. Carprofen provided sustained analgesia for 18 hours in treated canines without adverse side effects and notably improved the speed of recovery in limping birds. |
| In vivo | Carprofen binds to human serum albumin (HSA) via fluorescence and equilibrium dialysis methods, with two sets of binding constants [K1=5.1 μM (fluorescence) and 3.7 μM (ED), K2=37 μM (fluorescence) and 13 μM (ED)]. It predominantly binds to site II, the benzodiazepine site, while site I, the Warfarin site, exhibits a lower affinity for Carprofen. The carboxyl group of Carprofen plays a significant role in its high-affinity binding with HSA. Additionally, Carprofen (S and R enantiomers) inhibits canine COX2 with an IC50 of 0.102 microM, primarily attributed to the S enantiomer (IC50, 0.0371 μM), which is approximately 200 times more potent than the R enantiomer (IC50, 5.97 microM). |
| Synonyms | Rimadyl, Ridamyl, Imadyl |
| Molecular Weight | 273.71 |
| Formula | C15H12ClNO2 |
| Cas No. | 53716-49-7 |
| Smiles | O=C(O)C(C=1C=CC2=C(C1)NC3=CC=C(Cl)C=C32)C |
| Relative Density. | 1.42 g/cm3 |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year Shipping with blue ice/Shipping at ambient temperature. | |||||||||||||||||||||||||||||||||||
| Solubility Information | DMSO: 123 mg/mL (449.38 mM), Sonication is recommended.  H2O: < 1 mg/mL (insoluble or slightly soluble) Ethanol: 51 mg/mL (186.33 mM), Sonication is recommended. | |||||||||||||||||||||||||||||||||||
| In Vivo Formulation | 10% DMSO+40% PEG300+5% Tween 80+45% Saline: 4 mg/mL (14.61 mM), Sonication is recommended. Please add the solvents sequentially, clarifying the solution as much as possible before adding the next one. Dissolve by heating and/or sonication if necessary. Working solution is recommended to be prepared and used immediately. The formulation provided above is for reference purposes only. In vivo formulations may vary and should be modified based on specific experimental conditions. | |||||||||||||||||||||||||||||||||||
Solution Preparation Table | ||||||||||||||||||||||||||||||||||||
Ethanol/DMSO
Note : The dilution table applies only to solid products. For liquid products, please calculate the stock solution based on the stated concentration and/or density. | ||||||||||||||||||||||||||||||||||||
For example, if the intended dosage is 10 mg/kg for animals weighing 20 g , with a dosing volume of 100 μL per animal, and a total of 10 animals are to be administered, using a formulation of 
10% DMSO+ 40% PEG300+ 5% Tween 80+ 45% Saline/PBS/ddH2O , the resulting working solution concentration would be 2 mg/mL.Dissolve 2 mg of the compound in 100 μL DMSO to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO stock solution to 400 µL PEG300 and mix thoroughly until the solution becomes clear.
2) Add 50 µL Tween 80 and mix well until fully clarified.
3) Add 450 µL Saline,PBS or ddH2O and mix thoroughly until a homogeneous solution is obtained.
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