Butamben
Based on 1 Customer Validation
Butamben (Butyl 4-aminobenzoate) results in long-lasting relief from pain, without impairing motor function or other sensory functions.
For research use only. We do not sell to patients.
- Purity: 99.82%
- CAS No.: 94-25-7
- Formula: C11H15NO2
- Molecular Weight:193.24
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Storage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 2 years , -20°C, 1 year
To place orders, for customer services and technical support, please contact: MedChemExpress USA
Tel: 609-228-6898 E-mail: [email protected] [email protected]
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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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Biological Activity
Butamben (500 μM) blocks 90% of the control barium current, and this level is reached within 4 min in PC12 cells[2].
Butamben (100 μM; 2-10 min) increases the inactivation of the fast Na+ channels, but not of the slow Na+ channels[3].
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. 94-25-7
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Appearance Solid
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Molecular Weight 193.24
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Formula C11H15NO2
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Color White to off-white
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SMILES
O=C(OCCCC)C1=CC=C(N)C=C1
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Synonyms
Butyl 4-aminobenzoate
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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 : ≥ 100 mg/mL (517.49 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
H2O : < 0.1 mg/mL (insoluble)
* "≥" means soluble, but saturation unknown.
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 (12.94 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 (12.94 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 (270 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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Handling Instructions (2659 KB)
References
[1]. Cereda CM, et al. Liposomal butamben gel formulations: toxicity assays and topical anesthesia in an animal model. J Liposome Res. 2017 Mar;27(1):74-82. [Content Brief]
[2]. Rampaart LJA, et, al. The local anesthetic butamben inhibits total and L-type barium currents in PC12 cells. Anesth Analg. 2008 Jun;106(6):1778-83. [Content Brief]
[3]. Berg RJV, et, al. The local anesthetic n-butyl-p-aminobenzoate selectively affects inactivation of fast sodium currents in cultured rat sensory neurons. Anesthesiology. 1995 Jun;82(6):1463-73. [Content Brief]
[4]. Kolesnikov YA, et, al. Analgesic synergy between topical morphine and butamben in mice. Anesth Analg. 2003 Oct;97(4):1103-7, table of contents. [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 | 5.1749 mL | 25.8746 mL | 51.7491 mL | 129.3728 mL |
| 5 mM | 1.0350 mL | 5.1749 mL | 10.3498 mL | 25.8746 mL | |
| 10 mM | 0.5175 mL | 2.5875 mL | 5.1749 mL | 12.9373 mL | |
| 15 mM | 0.3450 mL | 1.7250 mL | 3.4499 mL | 8.6249 mL | |
| 20 mM | 0.2587 mL | 1.2937 mL | 2.5875 mL | 6.4686 mL | |
| 25 mM | 0.2070 mL | 1.0350 mL | 2.0700 mL | 5.1749 mL | |
| 30 mM | 0.1725 mL | 0.8625 mL | 1.7250 mL | 4.3124 mL | |
| 40 mM | 0.1294 mL | 0.6469 mL | 1.2937 mL | 3.2343 mL | |
| 50 mM | 0.1035 mL | 0.5175 mL | 1.0350 mL | 2.5875 mL | |
| 60 mM | 0.0862 mL | 0.4312 mL | 0.8625 mL | 2.1562 mL | |
| 80 mM | 0.0647 mL | 0.3234 mL | 0.6469 mL | 1.6172 mL | |
| 100 mM | 0.0517 mL | 0.2587 mL | 0.5175 mL | 1.2937 mL |
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