(R)-(-)-Ibuprofen
Based on 2 publication(s) in Google Scholar
(R)-(-)-Ibuprofen is the R enantiomer of Ibuprofen, inactive on COX, inhibits NF-κB activation; (R)-(-)-Ibuprofen exhibits anti-inflammatory and antinociceptive effects.
For research use only. We do not sell to patients.
- Purity: 99.97%
- CAS No.: 51146-57-7
- Formula: C13H18O2
- Molecular Weight:206.28
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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
- Purity & Documentation
- References
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Help & FAQs
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Publications Citing Use of MedChemExpress (MCE) (R)-(-)-Ibuprofen
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Biological Activity
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NF-κB |
(R)-(-)-Ibuprofen is the R enantiomer of Ibuprofen, with no inhibitory effect on COX, but is involved in pathways of lipid metabolism and is incorporated into triglycerides along with endogenous fatty acids[1]. (R)-(-)-Ibuprofen (1 μM) significantly reduces NF-κB activation and completely prevents NF-κB induction at 10 μM. (R)-(-)-Ibuprofen inhibits NF-κB luciferase activity with an IC50 of 121.8 μM, weaker than that of S(+)-ibuprofen (IC50, 61.7 μM). Furthermore, (R)-(-)-Ibuprofen (10 mM) has no effect on HSF[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 51146-57-7
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Appearance Solid
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Molecular Weight 206.28
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Formula C13H18O2
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Color Off-white to light yellow
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SMILES
C[C@H](C1=CC=C(CC(C)C)C=C1)C(O)=O
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Synonyms
(R)-Ibuprofen
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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 (2)
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Journal Impact Factor
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Most Recent
Solvent & Solubility
DMSO : 100 mg/mL (484.78 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: ≥ 2.5 mg/mL (12.12 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 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: ≥ 2.5 mg/mL (12.12 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 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.
Purity & Documentation
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Data Sheet (274 KB)
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SDS (396 KB)
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- Italian - IT (396 KB)
- Korean - KR (396 KB)
- Portuguese - PT (396 KB)
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Handling Instructions (2659 KB)
References
[1]. Evans AM, et al. Comparative pharmacology of S(+)-ibuprofen and (RS)-ibuprofen. Clin Rheumatol. 2001 Nov;20 Suppl 1:S9-14. [Content Brief]
[2]. Scheuren N, et al. Modulation of transcription factor NF-kappaB by enantiomers of the nonsteroidal drug ibuprofen. Br J Pharmacol. 1998 Feb;123(4):645-52. [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 |
|---|---|---|---|---|---|
| DMSO | 1 mM | 4.8478 mL | 24.2389 mL | 48.4778 mL | 121.1945 mL |
| 5 mM | 0.9696 mL | 4.8478 mL | 9.6956 mL | 24.2389 mL | |
| 10 mM | 0.4848 mL | 2.4239 mL | 4.8478 mL | 12.1194 mL | |
| 15 mM | 0.3232 mL | 1.6159 mL | 3.2319 mL | 8.0796 mL | |
| 20 mM | 0.2424 mL | 1.2119 mL | 2.4239 mL | 6.0597 mL | |
| 25 mM | 0.1939 mL | 0.9696 mL | 1.9391 mL | 4.8478 mL | |
| 30 mM | 0.1616 mL | 0.8080 mL | 1.6159 mL | 4.0398 mL | |
| 40 mM | 0.1212 mL | 0.6060 mL | 1.2119 mL | 3.0299 mL | |
| 50 mM | 0.0970 mL | 0.4848 mL | 0.9696 mL | 2.4239 mL | |
| 60 mM | 0.0808 mL | 0.4040 mL | 0.8080 mL | 2.0199 mL | |
| 80 mM | 0.0606 mL | 0.3030 mL | 0.6060 mL | 1.5149 mL | |
| 100 mM | 0.0485 mL | 0.2424 mL | 0.4848 mL | 1.2119 mL |
(R)-(-)-Ibuprofen Related Classifications
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