Bromisoval
Based on 1 Customer Validation
Bromisoval has anti-inflammatory effects.
For research use only. We do not sell to patients.
- Purity: 99.81%
- CAS No.: 496-67-3
- Formula: C6H11BrN2O2
- Molecular Weight:223.07
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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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Biological Activity
Bromisoval (BU) suppresses nitric oxide (NO) releasing and proinflammatory cytokine expression in lipopolysaccharide (LPS)-treat BV2 cells, a murine microglial cell line. Bromisoval suppresses LPS-inducing phosphorylation of signal transducer and activator of transcription 1 (STAT1) and expression of interferon regulatory factor 1 (IRF1). The Janus kinase 1 (JAK1) inhibitor filgotinib suppresses the NO release much more weakly than that of Bromisoval, although filgotinib almost completely prevents LPS-inducing STAT1 phosphorylation. Knockdown of JAK1, STAT1, or IRF1 does not affect the suppressive effects of Bromisoval on LPS-inducing NO. A combination of Bromisoval and filgotinib synergistically suppress the NO releasing. The mitochondrial complex I inhibitor rotenone, which does not prevent STAT1 phosphorylation or IRF1 expression, suppresses proinflammatory mediator expression less significantly than Bromisoval. Bromisoval and rotenone reduce intracellular ATP (iATP) levels to a similar extent. A combination of rotenone and filgotinib suppress NO release in LPS-treated BV2 cells as strongly as Bromisoval[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. 496-67-3
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Appearance Solid
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Molecular Weight 223.07
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Formula C6H11BrN2O2
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Color White to off-white
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SMILES
CC(C)C(Br)C(NC(N)=O)=O
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Synonyms
Bromovalerylurea
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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
Solvent & Solubility
DMSO : 300 mg/mL (1344.87 mM; Need ultrasonic and warming; 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: ≥ 7.5 mg/mL (33.62 mM); Clear solution
This protocol yields a clear solution of ≥ 7.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (75.0 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: ≥ 7.5 mg/mL (33.62 mM); Clear solution
This protocol yields a clear solution of ≥ 7.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (75.0 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.
Protocol
Conditioning media are obtained from BV2 cell cultures that have been incubated for 24 h in E2 medium containing 1 μg/ml LPS, with or without Bromisoval (BU) (1-100 μg/mL) or other agents, and subjected to NO determination. To normalize the releasing NO level by the cellular protein contents, cells are solubilized with RIPA buffer (50 mM Tris-HCl, pH 8.0, 150 mM sodium chloride, 0.5% w/v sodium deoxycholate, 0.1% w/v sodium dodecyl sulfate, 1.0% w/v NP-40 substitute) and the protein contents are determined by BCA protein assay reagents[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Murine microglial cell line BV2 is used. BV2 cells are maintained in medium supplemented with 10% fetal bovine serum. BV2 cells are seeded onto wells in 4-well culture plates and incubated with LPS for 30 min to 24 h. When the effects of Bromisoval (BU) or other agents are investigated, BV2 cells are incubated with the appropriate agent (e.g. Bromisoval) for 30 min before the addition of LPS[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Suspensions of the compounds (including Bromisoval ) in aqueous 0.5% carboxymethyl cellulose are administered intraperitoneally to adult male albino mice weighing 25-35 g. All tests are performed on groups of ten mice[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 (272 KB)
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SDS (396 KB)
- English - EN (396 KB)
- Français - FR (396 KB)
- Deutsch - DE (396 KB)
- Norwegian - NO (396 KB)
- Español - ES (396 KB)
- Swedish - SV (396 KB)
- Italian - IT (396 KB)
- Korean - KR (396 KB)
- Portuguese - PT (396 KB)
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Handling Instructions (2659 KB)
References
[1]. Kawasaki S, et al. Effects of hypnotic bromovalerylurea on microglial BV2 cells. J Pharmacol Sci. 2017 Jun;134(2):116-123. [Content Brief]
[2]. Mrongovius RI, et al. Comparison of the bromureide sedative-hypnotic drugs, bromvaletone (bromisoval) and carbromal, and their chloro analogues in mice. Clin Exp Pharmacol Physiol. 1976 Sep-Oct;3(5):443-7. [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 | 4.4829 mL | 22.4145 mL | 44.8290 mL | 112.0724 mL |
| 5 mM | 0.8966 mL | 4.4829 mL | 8.9658 mL | 22.4145 mL | |
| 10 mM | 0.4483 mL | 2.2414 mL | 4.4829 mL | 11.2072 mL | |
| 15 mM | 0.2989 mL | 1.4943 mL | 2.9886 mL | 7.4715 mL | |
| 20 mM | 0.2241 mL | 1.1207 mL | 2.2414 mL | 5.6036 mL | |
| 25 mM | 0.1793 mL | 0.8966 mL | 1.7932 mL | 4.4829 mL | |
| 30 mM | 0.1494 mL | 0.7471 mL | 1.4943 mL | 3.7357 mL | |
| 40 mM | 0.1121 mL | 0.5604 mL | 1.1207 mL | 2.8018 mL | |
| 50 mM | 0.0897 mL | 0.4483 mL | 0.8966 mL | 2.2414 mL | |
| 60 mM | 0.0747 mL | 0.3736 mL | 0.7471 mL | 1.8679 mL | |
| 80 mM | 0.0560 mL | 0.2802 mL | 0.5604 mL | 1.4009 mL | |
| 100 mM | 0.0448 mL | 0.2241 mL | 0.4483 mL | 1.1207 mL |
Bromisoval Related Classifications
HY-B2113 Related Classifications
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