DPA-714
Based on 1 publication(s) in Google Scholar
DPA-714 is a high affinity translocator protein (TSPO) ligand (Ki=7 nM), which is designed with a fluorine atom in its structure, allowing labelling with fluorine -18 and in vivo imaging using positron emission tomography. 18FDPA-714 successfully evaluates for the specific imaging of inflammation in various models of neuroinflammation and in a brain tumor model.
For research use only. We do not sell to patients.
- Purity: 99.86%
- CAS No.: 958233-07-3
- Formula: C22H27FN4O2
- Molecular Weight:398.47
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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
- Purity & Documentation
- References
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Help & FAQs
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Publications Citing Use of MedChemExpress (MCE) DPA-714
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Biological Activity
Ki: 7 nM (TSPO)[1]
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. 958233-07-3
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Appearance Solid
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Molecular Weight 398.47
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Formula C22H27FN4O2
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Color White to off-white
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SMILES
O=C(N(CC)CC)CC1=C2N=C(C)C=C(C)N2N=C1C3=CC=C(OCCF)C=C3
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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
Publications (1)
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Journal Impact Factor
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Most Recent
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J Neuroinflammation
Multi-dimensional decoding of the TSPO signal in animal models of neuroinflammation using fluorescence-conjugated DPA714. [Abstract]2026 Jun 24;23(1):212. PMID: 42343311
Solvent & Solubility
DMSO : 33.33 mg/mL (83.64 mM; Need ultrasonic; 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: ≥ 2.08 mg/mL (5.22 mM); Clear solution
This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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.
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 (273 KB)
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SDS (251 KB)
- English - EN (251 KB)
- Français - FR (251 KB)
- Deutsch - DE (251 KB)
- Norwegian - NO (251 KB)
- Español - ES (251 KB)
- Swedish - SV (251 KB)
- Italian - IT (251 KB)
- Korean - KR (251 KB)
- Portuguese - PT (251 KB)
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Handling Instructions (2659 KB)
References
[1]. James ML, et al. DPA-714, a new translocator protein-specific ligand: synthesis, radiofluorination, and pharmacologic characterization. J Nucl Med. 2008 May;49(5):814-22. [Content Brief]
[2]. Harhausen D, et al. Specific imaging of inflammation with the 18 kDa translocator protein ligand DPA-714 in animal models of epilepsy and stroke. PLoS One. 2013 Aug 2;8(8):e69529. [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 | 2.5096 mL | 12.5480 mL | 25.0960 mL | 62.7400 mL |
| 5 mM | 0.5019 mL | 2.5096 mL | 5.0192 mL | 12.5480 mL | |
| 10 mM | 0.2510 mL | 1.2548 mL | 2.5096 mL | 6.2740 mL | |
| 15 mM | 0.1673 mL | 0.8365 mL | 1.6731 mL | 4.1827 mL | |
| 20 mM | 0.1255 mL | 0.6274 mL | 1.2548 mL | 3.1370 mL | |
| 25 mM | 0.1004 mL | 0.5019 mL | 1.0038 mL | 2.5096 mL | |
| 30 mM | 0.0837 mL | 0.4183 mL | 0.8365 mL | 2.0913 mL | |
| 40 mM | 0.0627 mL | 0.3137 mL | 0.6274 mL | 1.5685 mL | |
| 50 mM | 0.0502 mL | 0.2510 mL | 0.5019 mL | 1.2548 mL | |
| 60 mM | 0.0418 mL | 0.2091 mL | 0.4183 mL | 1.0457 mL | |
| 80 mM | 0.0314 mL | 0.1568 mL | 0.3137 mL | 0.7842 mL |
DPA-714 Related Classifications
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