Diphenylpyraline
Based on 1 Customer Validation
Diphenylpyraline is a potent histamine H1 receptor antagonist. Diphenylpyraline acts as an orally active antihistamine agent with antimuscarinic and antiallergic effects. Diphenylpyraline can be used for the research of allergic diseases, including rhinitis and hay fever, and pruritic skin disorders et.al.
For research use only. We do not sell to patients.
- Purity: 98.60%
- CAS No.: 147-20-6
- Formula: C19H23NO
- Molecular Weight:281.39
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Storage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month
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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All Histamine Receptor Isoforms
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Biological Activity
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H1 Receptor |
Diphenylpyraline (10 μM) markedly inhibits dopamine uptakein mouse nucleus accumbens slices[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.
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Animal Model:C57BL/6 mice[2]
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Dosage:5-10 mg/kg
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Administration:Intraperitoneal injection
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Result:Had psychostimulant properties.
Chemical Information
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CAS No. 147-20-6
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Appearance Solid
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Molecular Weight 281.39
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Formula C19H23NO
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Color White to off-white
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SMILES
CN(CC1)CCC1OC(C2=CC=CC=C2)C3=CC=CC=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 6 months -20°C 1 month
Solvent & Solubility
DMSO : 100 mg/mL (355.38 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
H2O : < 0.1 mg/mL (insoluble)
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, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
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, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
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 (8.88 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 (8.88 mM); Suspended solution; Need ultrasonic
This protocol yields a suspended solution of 2.5 mg/mL. Suspended solution can be used for oral and intraperitoneal injection.
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 (275 KB)
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SDS (479 KB)
- English - EN (479 KB)
- Français - FR (479 KB)
- Deutsch - DE (479 KB)
- Norwegian - NO (479 KB)
- Español - ES (479 KB)
- Swedish - SV (479 KB)
- Italian - IT (479 KB)
- Korean - KR (479 KB)
- Portuguese - PT (479 KB)
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Handling Instructions (2659 KB)
References
[1]. Erik B Oleson, et al. Effects of the histamine H₁ receptor antagonist and benztropine analog diphenylpyraline on dopamine uptake, locomotion and reward. [Content Brief]
[2]. Gennady B Lapa, et al. Diphenylpyraline, a histamine H1 receptor antagonist, has psychostimulant properties. [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, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
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| DMSO | 1 mM | 3.5538 mL | 17.7689 mL | 35.5379 mL | 88.8447 mL |
| 5 mM | 0.7108 mL | 3.5538 mL | 7.1076 mL | 17.7689 mL | |
| 10 mM | 0.3554 mL | 1.7769 mL | 3.5538 mL | 8.8845 mL | |
| 15 mM | 0.2369 mL | 1.1846 mL | 2.3692 mL | 5.9230 mL | |
| 20 mM | 0.1777 mL | 0.8884 mL | 1.7769 mL | 4.4422 mL | |
| 25 mM | 0.1422 mL | 0.7108 mL | 1.4215 mL | 3.5538 mL | |
| 30 mM | 0.1185 mL | 0.5923 mL | 1.1846 mL | 2.9615 mL | |
| 40 mM | 0.0888 mL | 0.4442 mL | 0.8884 mL | 2.2211 mL | |
| 50 mM | 0.0711 mL | 0.3554 mL | 0.7108 mL | 1.7769 mL | |
| 60 mM | 0.0592 mL | 0.2961 mL | 0.5923 mL | 1.4807 mL | |
| 80 mM | 0.0444 mL | 0.2221 mL | 0.4442 mL | 1.1106 mL | |
| 100 mM | 0.0355 mL | 0.1777 mL | 0.3554 mL | 0.8884 mL |
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