Flumazenil
Based on 4 publication(s) in Google Scholar
Flumazenil is a competitive GABAA receptor antagonist, used in the treatment of benzodiazepine overdoses.
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- Pureté: 99.99%
- CAS No.: 78755-81-4
- Formule: C15H14FN3O3
- Masse moléculaire:303.29
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Stockage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 2 years , -20°C, 1 year
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Activité biologique
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Chemical Information
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Solvant et solubilité
- Protocole
- Pureté et documentation
- Références
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Help & FAQs
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Publications Citing Use of MedChemExpress (MCE) Flumazenil
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Activité biologique
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Cell Line
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Type | Value | Description | References |
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| Oocyte | EC50 |
30 nM
Compound: Ro-151788
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Activity at rat wild type GABAA alpha-1H101Cbeta-2-gamma-2 mutant receptor expressed in xenopus oocytes assessed as GABA-elicited response by two electrode voltage clamp method relative to control
Activity at rat wild type GABAA alpha-1H101Cbeta-2-gamma-2 mutant receptor expressed in xenopus oocytes assessed as GABA-elicited response by two electrode voltage clamp method relative to control
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[PMID: 17626010] |
| Sf21 | IC50 |
>1000 μM
Compound: Flumazenil
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Inhibition of human BSEP expressed in plasma membrane vesicles of Sf21 cells assessed as inhibition of ATP-dependent [3H]taurocholate uptake
Inhibition of human BSEP expressed in plasma membrane vesicles of Sf21 cells assessed as inhibition of ATP-dependent [3H]taurocholate uptake
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[PMID: 21965623] |
| Sf21 | IC50 |
>1000 μM
Compound: Flumazenil
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Inhibition of Sprague-Dawley rat Bsep expressed in plasma membrane vesicles of Sf21 cells assessed as inhibition of ATP-dependent [3H]taurocholate uptake
Inhibition of Sprague-Dawley rat Bsep expressed in plasma membrane vesicles of Sf21 cells assessed as inhibition of ATP-dependent [3H]taurocholate uptake
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[PMID: 21965623] |
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
| NCT Number | Sponsor | Condition | Start Date |
Phase
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|---|---|---|---|---|
| NCT01329991 | Plexxikon| | 2011-05 | PHASE1 |
Chemical Information
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CAS No. 78755-81-4
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Unlabeled Cas 78755-81-4
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Appearance Solid
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Masse moléculaire 303.29
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Formule C15H14FN3O3
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Color White to off-white
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SMILES
O=C(C1=C2CN(C(C3=CC(F)=CC=C3N2C=N1)=O)C)OCC
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Synonyms
Ro 15-1788
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Livraison
Room temperature in continental US; may vary elsewhere.
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Stockage
Powder -20°C 3 years 4°C 2 years In solvent -80°C 2 years -20°C 1 year
Publications (4)
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Journal Impact Factor
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Most Recent
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Biomed Pharmacother
Tenuigenin promotes non-rapid eye movement sleep via the GABAA receptor and exerts somnogenic effect in a MPTP mouse model of Parkinson's disease. [Abstract]2023 Sep:165:115259. PMID: 37531785 -
Biopharm Drug Dispos
Inhibition of canalicular and sinusoidal taurocholate efflux by cholestatic drugs in human hepatoma HepaRG cells. [Abstract]2022 Dec;43(6):265-271. PMID: 36195987 -
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Solvant et solubilité
DMSO : 20 mg/mL (65.94 mM; ultrasonic and warming and heat to 60°C; 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 mg/mL (6.59 mM); Clear solution
This protocol yields a clear solution of ≥ 2 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.0 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 mg/mL (6.59 mM); Clear solution
This protocol yields a clear solution of ≥ 2 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.0 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.
Protocole
Flumazenil is administered intraperitoneally in a volume of 10 mL/kg body weight 20 min before experimental testing. Two polyvinylchloride boxes (20×20×14 cm) covered with Plexiglas are connected by an opaque plastic tunnel (5×7×10 cm). One of these boxes is darkened. A light from a 100-W desk lamp 40 cm above the other box provided the only room illumination. This light level (300 lux) is chosen in order to avoid strain differences to be detected on time in the lit box (a measure of anxiety behaviour) in control animals. Indeed, in previous experiments, the BALB/c mice differ from C57BL/6 only in the high light condition. The subjects are individually tested in 5-min sessions between 1400 and 1700 hours. Mice are placed in the lit box to start the test session. The time spent in the lit box and the number of transitions from the dark box to the lit one are recorded after the first entry in the tunnel.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Pureté et documentation
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Fiche technique (279 KB)
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SDS (393 KB)
- English - EN (393 KB)
- Français - FR (393 KB)
- Deutsch - DE (393 KB)
- Norwegian - NO (393 KB)
- Español - ES (393 KB)
- Swedish - SV (393 KB)
- Italian - IT (393 KB)
- Korean - KR (393 KB)
- Portuguese - PT (393 KB)
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Instruction de manipulation (2659 KB)
Références
[1]. Hoffman EJ, et al. Flumazenil: a benzodiazepine antagonist. Clin Pharm. 1993 Sep;12(9):641-56; quiz 699-701 [Content Brief]
[2]. Belzung C, et al. Flumazenil induces benzodiazepine partial agonist-like effects in BALB/c but not C57BL/6 mice. Psychopharmacology (Berl). 2000 Jan;148(1):24-32. [Content Brief]
[3]. Fernandez-Guasti A, et al. Flumazenil blocks the anxiolytic action of allopregnanolone. Eur J Pharmacol. 1995 Jul 25;281(1):113-5. [Content Brief]
[4]. Loscher W, et al. Effects of the non-NMDA antagonists NBQX and the 2,3-benzodiazepine GYKI 52466 on different seizure types in mice: comparison with diazepam and interactions with flumazenil. Br J Pharmacol. 1994 Dec;113(4):1349-57. [Content Brief]
[5]. Moy SS, et al. Flumazenil blockade of anxiety following ethanol withdrawal in rats. Psychopharmacology (Berl). 1997 Jun;131(4):354-60. [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 | 3.2972 mL | 16.4859 mL | 32.9717 mL | 82.4294 mL |
| 5 mM | 0.6594 mL | 3.2972 mL | 6.5943 mL | 16.4859 mL | |
| 10 mM | 0.3297 mL | 1.6486 mL | 3.2972 mL | 8.2429 mL | |
| 15 mM | 0.2198 mL | 1.0991 mL | 2.1981 mL | 5.4953 mL | |
| 20 mM | 0.1649 mL | 0.8243 mL | 1.6486 mL | 4.1215 mL | |
| 25 mM | 0.1319 mL | 0.6594 mL | 1.3189 mL | 3.2972 mL | |
| 30 mM | 0.1099 mL | 0.5495 mL | 1.0991 mL | 2.7476 mL | |
| 40 mM | 0.0824 mL | 0.4121 mL | 0.8243 mL | 2.0607 mL | |
| 50 mM | 0.0659 mL | 0.3297 mL | 0.6594 mL | 1.6486 mL | |
| 60 mM | 0.0550 mL | 0.2748 mL | 0.5495 mL | 1.3738 mL |
Flumazenil Related Classifications
HY-B0009 Related Classifications
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