MRK-560
Based on 4 publication(s) in Google Scholar
MRK-560, a chemical probe, is an orally active, brain barrier-penetrated γ-Secretase inhibitor, reducing Aβ peptide in rat brain and cerebrospinal fluid. MRK-560 decreases mutant NOTCH1 processing by selectively inhibiting PSEN1. MRK-560 can be used in studies of Alzheimer's disease and T-cell acute lymphoblastic leukaemia (T-ALL).
For research use only. We do not sell to patients.
- Purity: 99.92%
- CAS No.: 677772-84-8
- Formula: C19H17ClF5NO4S2
- Molecular Weight:517.92
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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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Publications Citing Use of MedChemExpress (MCE) MRK-560
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Biological Activity
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Cell Line
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Type | Value | Description | References |
|---|---|---|---|---|
| HEK293 | IC50 |
14.3 nM
Compound: MRK-560
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Inhibition of gamma-secretase in HEK293 cell membranes using SPC99-Lon as substrate assessed as formation of amyloid beta 40 after 1 hr by electrochemiluminescence-based immunoassay
Inhibition of gamma-secretase in HEK293 cell membranes using SPC99-Lon as substrate assessed as formation of amyloid beta 40 after 1 hr by electrochemiluminescence-based immunoassay
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[PMID: 26496070] |
| HEK293 | IC50 |
15 nM
Compound: MRK-560
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Inhibition of gamma-secretase in HEK293 cells using human APP Swedish/London double mutant as substrate assessed as formation of amyloid beta 40 after 5 to 6 hrs by sandwich immunoassay
Inhibition of gamma-secretase in HEK293 cells using human APP Swedish/London double mutant as substrate assessed as formation of amyloid beta 40 after 5 to 6 hrs by sandwich immunoassay
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[PMID: 26496070] |
| HEK293 | IC50 |
5 nM
Compound: MRK-560
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Inhibition of gamma-secretase in HEK293 cells using human APP Swedish/London double mutant as substrate assessed as formation of amyloid beta 42 after 5 to 6 hrs by sandwich immunoassay
Inhibition of gamma-secretase in HEK293 cells using human APP Swedish/London double mutant as substrate assessed as formation of amyloid beta 42 after 5 to 6 hrs by sandwich immunoassay
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[PMID: 26496070] |
| HEK293 | IC50 |
65 nM
Compound: 21; MRK-560
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Inhibition of gamma secretase in HEK293 cells expressing APP assessed as reduction in amyloid beta levels
Inhibition of gamma secretase in HEK293 cells expressing APP assessed as reduction in amyloid beta levels
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[PMID: 27045975] |
MRK-560 (30, 100, 300, 1000 nM; 15days) blocks mutant NOTCH1 receptor signaling in human T-ALL cell lines[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Cell Line:HPB-ALL, DND-41, and Jurkat cells
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Concentration:30, 100, 300, 1000 nM
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Incubation Time:15 days
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Result:Reduced NICD1 generation in cells and resulted in a dose-dependent decrease of proliferation in HPB-ALL and DND-41, which depend on NOTCH signaling for their survival.
MRK-560 (1, 3, 10, 30, 100 mg/kg; p.o.; single) shows good blood-brain barrier permeability in a dose-dependent manner in rats[2].
MRK-560 (1, 3, 10, 30, 100 mg/kg; p.o.; single) inhibits the production of Aβ levels in brain and cerebrospinal fluid[2].
MRK-560 (1 mg/kg; p.o.; single) shows a good bioavailability of 70 to 90%, and Tmax is 12 h[2].
MRK-560 (1 mg/kg; i.v.; single) is suitable for once-a-day dosing (with a low plasma clearance and a half-life of more than 15 h)[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:Tg (HLA-DRB1) 31Dmz/Szj (NSG) mice (T-ALL (T cell acute lymphoblastic leukemia) model)[1].
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Dosage:15.54 mg/kg
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Administration:Subcutaneous injection; single daily for 14 days.
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Result:Resulted in strong antileukemic effects and improved median survival to 30 days compared to 18 days in vehicle-treated mice.
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Animal Model:Male Sprague-Dawley rats (250-300 g)[2].
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Dosage:1, 3, 10, 30, 100 mg/kg
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Administration:Oral administration; single (experiment is performed 8 h later)
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Result:Increased the plasma and brain concentrations in a dose-dependent manner.
Reduced (dose-dependent) both brain and CSF Aβ levels, with essentially complete inhibition of the production of both peptides being observed at a dose of 100 mg/kg.
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Animal Model:Male Sprague-Dawley rats (250-300 g)[2].
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Dosage:1 mg/kg
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Administration:Intravenously and orally administration; single.
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Result:Showed Tmax after the oral dose was 12 h,and bioavailability was 70 to 90%.
Revealed a low plasma clearance of less than 5 mL/min/kg with a volume of distribution of approximately 6 L/kg, which translated to a long half-life of more than 15 h.
Chemical Information
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CAS No. 677772-84-8
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Appearance Solid
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Molecular Weight 517.92
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Formula C19H17ClF5NO4S2
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Color White to off-white
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SMILES
O=S([C@]1(C2=C(C=CC(F)=C2)F)CC[C@H](NS(C(F)(F)F)(=O)=O)CC1)(C3=CC=C(Cl)C=C3)=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 6 months -20°C 1 month
Publications (4)
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Journal Impact Factor
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Most Recent
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Signal Transduct Target Ther
Social memory maintenance relies on social interaction-induced proteolytic products of neuroligin 1. [Abstract]2025 Nov 24;10(1):387. PMID: 41276544 -
Nat Commun
Human iPSC-based Modeling of Pulmonary Fibrosis Reveals p300/CBP Inhibition Suppresses Alveolar Transitional Cell State. [Abstract]2026 Feb 12;17(1):1214. PMID: 41680175 -
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bioRxiv
2025 Dec 19:2025.12.18.695023. PMID: 41446230
Solvent & Solubility
DMSO : 100 mg/mL (193.08 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.
Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline
Solubility: ≥ 2.5 mg/mL (4.83 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 (4.83 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.
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 (282 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
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 | 1.9308 mL | 9.6540 mL | 19.3080 mL | 48.2700 mL |
| 5 mM | 0.3862 mL | 1.9308 mL | 3.8616 mL | 9.6540 mL | |
| 10 mM | 0.1931 mL | 0.9654 mL | 1.9308 mL | 4.8270 mL | |
| 15 mM | 0.1287 mL | 0.6436 mL | 1.2872 mL | 3.2180 mL | |
| 20 mM | 0.0965 mL | 0.4827 mL | 0.9654 mL | 2.4135 mL | |
| 25 mM | 0.0772 mL | 0.3862 mL | 0.7723 mL | 1.9308 mL | |
| 30 mM | 0.0644 mL | 0.3218 mL | 0.6436 mL | 1.6090 mL | |
| 40 mM | 0.0483 mL | 0.2414 mL | 0.4827 mL | 1.2068 mL | |
| 50 mM | 0.0386 mL | 0.1931 mL | 0.3862 mL | 0.9654 mL | |
| 60 mM | 0.0322 mL | 0.1609 mL | 0.3218 mL | 0.8045 mL | |
| 80 mM | 0.0241 mL | 0.1207 mL | 0.2414 mL | 0.6034 mL | |
| 100 mM | 0.0193 mL | 0.0965 mL | 0.1931 mL | 0.4827 mL |
MRK-560 Related Classifications
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