Imidazolidinyl urea
Based on 1 Customer Validation
Imidazolidinyl urea is a commonly used antibacterial preservative in cosmetics and pharmaceuticals that releases formaldehyde through decomposition. Imidazolidinyl urea can also be used in the preparation of multifunctional hydrogels for the care of infectious wounds. Imidazolidinyl urea has broad-spectrum antibacterial activity, which mainly inhibits the reproduction of gram-negative bacteria and gram-positive bacteria, and restricts the growth of yeast and mold to a certain extent. Imidazolidinyl urea can induce non-histaminergic allergy by MRGPRX2 activation of mast cells.
For research use only. We do not sell to patients.
- Purity: 99.99%
- CAS No.: 39236-46-9
- Formula: C11H16N8O8
- Molecular Weight:388.29
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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
Imidazolidinyl urea (50-200 μg/mL; 0-120 seconds) activates calcium mobilization, increases intracellular calcium ion concentration, and induces the release of inflammatory mediators in LAD2 cells[1].
Imidazolidinyl urea (50-200 μg/mL; 0-120 seconds) activates calcium mobilization in HEK293 cells expressing MRGPRX2, but has no significant effect in negative control HEK293 cells[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.
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Animal Model:C57BL/6 mice[1]
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Dosage:100, 200 and 300-μg/mL for 1 day or 100 μg/mL for 3 days
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Administration:Applied topically on the back skin
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Result:Induced skin inflammation in a dose-dependent manner, but not related to the IgE pathway.
Increased inflammatory mediators levels in a dose-dependent manner, such as tryptase beta-2, TNF-α, MCP-1, and IL-8.
Chemical Information
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CAS No. 39236-46-9
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Appearance Solid
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Molecular Weight 388.29
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Formula C11H16N8O8
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Color White to off-white
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SMILES
O=C(NC(C(N1)=O)N(CO)C1=O)NCNC(NC(C(N2)=O)N(CO)C2=O)=O
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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 (257.54 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
H2O : 100 mg/mL (257.54 mM; Need ultrasonic)
* "≥" 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 (6.44 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 (6.44 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.
For the following dissolution methods, please prepare the working solution directly:
It is recommended to prepare fresh solutions and use them promptly within a short period of time.
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: PBS
Solubility: 100 mg/mL (257.54 mM); Clear solution; Need ultrasonic
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.
Purity & Documentation
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Data Sheet (276 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]. Gao J, et al. Imidazolidinyl urea activates mast cells via MRGPRX2 to induce non-histaminergic allergy. Toxicol Res (Camb). 2021 Apr 29;10(3):467-475. [Content Brief]
[2]. Doi T, et al. Characterization of the decomposition of compounds derived from imidazolidinyl urea in cosmetics and patch test materials. Contact Dermatitis. 2012 Nov;67(5):284-92. [Content Brief]
[3]. Wu Q, et al. On-demand imidazolidinyl urea-based tissue-like, self-healable, and antibacterial hydrogels for infectious wound care. Bioact Mater. 2024 Oct 15;44:116-130. [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 |
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| DMSO / H2O | 1 mM | 2.5754 mL | 12.8770 mL | 25.7539 mL | 64.3849 mL |
| 5 mM | 0.5151 mL | 2.5754 mL | 5.1508 mL | 12.8770 mL | |
| 10 mM | 0.2575 mL | 1.2877 mL | 2.5754 mL | 6.4385 mL | |
| 15 mM | 0.1717 mL | 0.8585 mL | 1.7169 mL | 4.2923 mL | |
| 20 mM | 0.1288 mL | 0.6438 mL | 1.2877 mL | 3.2192 mL | |
| 25 mM | 0.1030 mL | 0.5151 mL | 1.0302 mL | 2.5754 mL | |
| 30 mM | 0.0858 mL | 0.4292 mL | 0.8585 mL | 2.1462 mL | |
| 40 mM | 0.0644 mL | 0.3219 mL | 0.6438 mL | 1.6096 mL | |
| 50 mM | 0.0515 mL | 0.2575 mL | 0.5151 mL | 1.2877 mL | |
| 60 mM | 0.0429 mL | 0.2146 mL | 0.4292 mL | 1.0731 mL | |
| 80 mM | 0.0322 mL | 0.1610 mL | 0.3219 mL | 0.8048 mL | |
| 100 mM | 0.0258 mL | 0.1288 mL | 0.2575 mL | 0.6438 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.
Imidazolidinyl urea Related Classifications
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