FSI-TN42
Based on 1 Customer Validation
FSI-TN42 (N42) is a selective, orally active and irreversible ALDH1A1 inhibitor with an IC50 of 23 nM. FSI-TN42 shows 800-fold more potent against ALDH1A1 than ALDH1A2 (IC50
For research use only. We do not sell to patients.
- Purity: 98.05%
- CAS No.: 2445840-25-3
- Formula: C24H31Cl2N5O2
- Molecular Weight:492.44
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Storage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month
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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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Metabolism/Protease Compound Library
HY-L012
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Orally Active Compound Library
HY-L061
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Glutamine Metabolism Compound Library
HY-L064
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Anti-Cancer Metabolism Compound Library
HY-L083
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Cancer Stem Cells Compound Library
HY-L135
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Metabolic Enzyme Compound Library
HY-L146
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Highly Selective Inhibitors Library
HY-L158
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Bioactive Compound Library Max
HY-L181
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MCE Bioactive Compound Library
HY-L001V
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Bioactive Compound Library
HY-L001
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High-Throughput Bioactive Compound Library
HY-L205
Biological Activity
Chemical Information
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CAS No. 2445840-25-3
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Appearance Solid
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Molecular Weight 492.44
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Formula C24H31Cl2N5O2
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Color White to off-white
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SMILES
O=C(N1CCN(CC1)C2=CC=C(C(N3CCCCCC3)=C2)NC(C(Cl)Cl)=O)C4=CC=CN4C
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Synonyms
N42
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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 : 200 mg/mL (406.14 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. 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.
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 (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Portuguese - PT (252 KB)
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Handling Instructions (2659 KB)
References
[1]. Paik J, et al. Weight loss and metabolic effects of an ALDH1A1-specific inhibitor, FSI-TN42, in a diet induced mouse model of obesity. Int J Obes (Lond). 2025 Mar;49(3):507-515. [Content Brief]
[2]. Haenisch M, et al. Investigation of an ALDH1A1-specific inhibitor for suppression of weight gain in a diet-induced mouse model of obesity. Int J Obes (Lond). 2021 Jul;45(7):1542-1552. [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 |
|---|---|---|---|---|---|
| DMSO | 1 mM | 2.0307 mL | 10.1535 mL | 20.3070 mL | 50.7676 mL |
| 5 mM | 0.4061 mL | 2.0307 mL | 4.0614 mL | 10.1535 mL | |
| 10 mM | 0.2031 mL | 1.0154 mL | 2.0307 mL | 5.0768 mL | |
| 15 mM | 0.1354 mL | 0.6769 mL | 1.3538 mL | 3.3845 mL | |
| 20 mM | 0.1015 mL | 0.5077 mL | 1.0154 mL | 2.5384 mL | |
| 25 mM | 0.0812 mL | 0.4061 mL | 0.8123 mL | 2.0307 mL | |
| 30 mM | 0.0677 mL | 0.3385 mL | 0.6769 mL | 1.6923 mL | |
| 40 mM | 0.0508 mL | 0.2538 mL | 0.5077 mL | 1.2692 mL | |
| 50 mM | 0.0406 mL | 0.2031 mL | 0.4061 mL | 1.0154 mL | |
| 60 mM | 0.0338 mL | 0.1692 mL | 0.3385 mL | 0.8461 mL | |
| 80 mM | 0.0254 mL | 0.1269 mL | 0.2538 mL | 0.6346 mL | |
| 100 mM | 0.0203 mL | 0.1015 mL | 0.2031 mL | 0.5077 mL |
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