Phenylbiguanide
Based on 1 Customer Validation
Phenylbiguanide is a 5-HT3 receptor selective agonist with an EC50 of 3.0±0.1 μM.
For research use only. We do not sell to patients.
- Purity: 98.0%
- CAS No.: 102-02-3
- Formula: C8H11N5
- Molecular Weight:177.21
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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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Biological Activity
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5-HT3 Receptor 3 μM (EC50) |
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Cell Line
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Type | Value | Description | References |
|---|---|---|---|---|
| M21 | IC50 |
>200 μM
Compound: 66
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Inhibition of integrin alphavbeta3 mediated cell adhesion of human M21 cells to vitronectin
Inhibition of integrin alphavbeta3 mediated cell adhesion of human M21 cells to vitronectin
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[PMID: 16982193] |
Phenylbiguanide (1-Phenylbiguanide) is a 5-HT3 receptor selective agonist with pEC50s of 5.57, 4.07, and 4.47 for r5-HT3A(b), h5-HT3A, m5-HT3A(b) , respectively[1]. The effect of Phenylbiguanide (1-Phenylbiguanide hydrochloride) in promoting the growth of the HT29 cell line is investigated. Phenylbiguanide causes a dose dependent proliferation of HT29 cells after 48 hours incubation. The maximum proliferation is at a 5HT concentration of 12.5 μM (P≤0.01). Phenylbiguanide significantly stimulates the growth of cells at concentrations of 3.125 μM (P≤0.05) and 6.25 μM (P≤0.01)[2].
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. 102-02-3
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Appearance Solid
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Molecular Weight 177.21
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Formula C8H11N5
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Color White to off-white
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SMILES
NC(NC(NC1=CC=CC=C1)=N)=N
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Synonyms
N-Phenylbiguanide; PBG; 1-Phenylbiguanide
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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 : 150 mg/mL (846.45 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
H2O : ≥ 25 mg/mL (141.08 mM)
* "≥" 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.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
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.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
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 (14.11 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 (14.11 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.
Working solution concentration: 0.22 mg/mL
This product has good water solubility, please refer to the measured solubility data in water/PBS/Saline for details.
Protocol
HT29 cells are washed with Phosphate buffer saline (PBS) and harvested with a 0.5% trypsin solution at 50-60% confluency. Cells are then added to wells at a density of 104 cells/well in a 96-well plate to a final volume of 100 μL/well. After 24 hours of incubation at 37°C in a 5% CO2 atmosphere, the culture medium is replaced with 200 μL fresh culture medium containing 5HT hydrochloride, Phenylbiguanide hydrochloride at concentrations of: 3.125, 6.25, 12.5, 25, 50, and 100 µM . Cells cultured solely in media served as negative controls. After 48 hours of incubation at 37°C in a 5% CO2 atmosphere, the culture medium is removed and 8 µL MTT reagent (diluted in PBS at a concentration of 4 mg/mL) is added to 50 μL of fresh culture medium at a final concentration of 0.55 mg/mL. The optimum incubation period time is determined in a pilot study[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Mice[3]
Adult male specified pathogen free (SPF) BALB/c mice (28-33 g; n=10) are used throughout this study. All mice have free access to water and food in a light (12: 12 h light/ dark cycle, lights on at 0700 h) and temperature-controlled (21-23°C) environment. Mice are randomly assigned to two treatment groups, 1) intra-atrial injection of 0.9% saline (controls, n=5) or 2) intra-atrial injection of vehicle containing Phenylbiguanide (n=5). For the PBGinjected group, mice are injected with an effective dose of Phenylbiguanide (1-1.5 μg in 10-15 μL saline) . This is repeated five times in total with each injection separated by 8-10 min. For control mice, each mouse receives five saline injections (10-15 μL each), also at 8-10 min intervals[3].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Purity & Documentation
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Data Sheet (274 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]. Mair ID, et al. Pharmacological characterization of a rat 5-hydroxytryptamine type3 receptor subunit (r5-HT3A(b)) expressed in Xenopus laevis oocytes. Br J Pharmacol. 1998 Aug;124(8):1667-74. [Content Brief]
[2]. Ataee R, et al. Study of 5HT3 and HT4 receptor expression in HT29 cell line and human colon adenocarcinoma tissues. Arch Iran Med. 2010 Mar;13(2):120-5. [Content Brief]
[3]. de Vries A, et al. Characterisation of c-Fos expression in the central nervous system of mice following right atrialinjections of the 5-HT3 receptor agonist Phenylbiguanide. Auton Neurosci. 2005 Dec 30;123(1-2):62-75. [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 |
|---|---|---|---|---|---|
| H2O / DMSO | 1 mM | 5.6430 mL | 28.2151 mL | 56.4302 mL | 141.0756 mL |
| 5 mM | 1.1286 mL | 5.6430 mL | 11.2860 mL | 28.2151 mL | |
| 10 mM | 0.5643 mL | 2.8215 mL | 5.6430 mL | 14.1076 mL | |
| 15 mM | 0.3762 mL | 1.8810 mL | 3.7620 mL | 9.4050 mL | |
| 20 mM | 0.2822 mL | 1.4108 mL | 2.8215 mL | 7.0538 mL | |
| 25 mM | 0.2257 mL | 1.1286 mL | 2.2572 mL | 5.6430 mL | |
| 30 mM | 0.1881 mL | 0.9405 mL | 1.8810 mL | 4.7025 mL | |
| 40 mM | 0.1411 mL | 0.7054 mL | 1.4108 mL | 3.5269 mL | |
| 50 mM | 0.1129 mL | 0.5643 mL | 1.1286 mL | 2.8215 mL | |
| 60 mM | 0.0941 mL | 0.4703 mL | 0.9405 mL | 2.3513 mL | |
| 80 mM | 0.0705 mL | 0.3527 mL | 0.7054 mL | 1.7634 mL | |
| 100 mM | 0.0564 mL | 0.2822 mL | 0.5643 mL | 1.4108 mL |
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
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