RS-25344 hydrochloride
Based on 1 Customer Validation
RS-25344 hydrochloride is a selective cAMP-phosphodiesterase 4 (PDE 4; PDE IV) inhibitor with an IC50 of 0.28 nM in human lymphocytes. RS-25344 hydrochloride has only weak inhibitory effects on PDE I, II, III (IC50 of >100 μM, 160 μM, 330 μM, respectively). RS-25344 hydrochloride has anti-inflammatory, memory- and cognition enhancing, and antineoplastic effects.
For research use only. We do not sell to patients.
- Purity: 99.93%
- CAS No.: 152815-28-6
- Formula: C19H14ClN5O4
- Molecular Weight:411.80
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Storage:
4°C, sealed storage, away from moisture
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
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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Immunology/Inflammation Compound Library
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Biological Activity
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PDE Ⅳ 0.28 nM (IC50) |
PDE Ⅰ >100 μM (IC50) |
PDE Ⅱ 160 μM (IC50) |
PDE Ⅲ 330 μM (IC50) |
RS-25344 hydrochloride (0-10 μM) is a potent inhibitor of sperm PDE activity, with an effective concentration of 0.3 nM and reaching maximum inhibition in the range of 100 nM[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
RS-25344 hydrochloride (1 mg/kg; i.p.; 30 min prior to food bolus) increases gastric retention in mice[3].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 152815-28-6
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Appearance Solid
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Molecular Weight 411.80
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Formula C19H14ClN5O4
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Color White to off-white
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SMILES
[H]Cl.O=C1N(C2=CC=CC([N+]([O-])=O)=C2)C3=NC=CC=C3C(N1CC4=CC=NC=C4)=O
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
4°C, sealed storage, away from moisture
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
Solvent & Solubility
DMSO : 83.33 mg/mL (202.36 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, 6 months; -20°C, 1 month (sealed storage, away from moisture). 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 (sealed storage, away from moisture). 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: ≥ 2.08 mg/mL (5.05 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.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: ≥ 2.08 mg/mL (5.05 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 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. * In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
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 (277 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]. T Kaneko, et al. Elevated intracellular cyclic AMP inhibits chemotaxis in human eosinophils. Cell Signal. 1995 Jul;7(5):527-34. [Content Brief]
[2]. J D Fisch, et al. Enhancement of motility and acrosome reaction in human spermatozoa: differential activation by type-specific phosphodiesterase inhibitors. Hum Reprod. 1998 May;13(5):1248-54. [Content Brief]
[3]. Will McDonough, et al. PAN-selective inhibition of cAMP-phosphodiesterase 4 (PDE4) induces gastroparesis in mice. FASEB J. 2020 Sep;34(9):12533-12548. [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 (sealed storage, away from moisture). 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 |
|---|---|---|---|---|---|
| DMSO | 1 mM | 2.4284 mL | 12.1418 mL | 24.2836 mL | 60.7091 mL |
| 5 mM | 0.4857 mL | 2.4284 mL | 4.8567 mL | 12.1418 mL | |
| 10 mM | 0.2428 mL | 1.2142 mL | 2.4284 mL | 6.0709 mL | |
| 15 mM | 0.1619 mL | 0.8095 mL | 1.6189 mL | 4.0473 mL | |
| 20 mM | 0.1214 mL | 0.6071 mL | 1.2142 mL | 3.0355 mL | |
| 25 mM | 0.0971 mL | 0.4857 mL | 0.9713 mL | 2.4284 mL | |
| 30 mM | 0.0809 mL | 0.4047 mL | 0.8095 mL | 2.0236 mL | |
| 40 mM | 0.0607 mL | 0.3035 mL | 0.6071 mL | 1.5177 mL | |
| 50 mM | 0.0486 mL | 0.2428 mL | 0.4857 mL | 1.2142 mL | |
| 60 mM | 0.0405 mL | 0.2024 mL | 0.4047 mL | 1.0118 mL | |
| 80 mM | 0.0304 mL | 0.1518 mL | 0.3035 mL | 0.7589 mL | |
| 100 mM | 0.0243 mL | 0.1214 mL | 0.2428 mL | 0.6071 mL |
RS-25344 hydrochloride Related Classifications
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