CK-636
Based on 4 publication(s) in Google Scholar
CK-636 is a cell permeable inhibitor of Arp2/3 complex, that could inhibit actin polymerization, with IC50 values of 4 μM, 24 μM and 32 μM for human, fission yeast and bovine, respectively. CK636 blocks cell migration.
For research use only. We do not sell to patients.
- Purity: 99.94%
- CAS No.: 442632-72-6
- Formula: C16H16N2OS
- Molecular Weight:284.38
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Storage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 2 years , -20°C, 1 year
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) CK-636
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Biological Activity
IC50: 4/24/32 µM (Human/fission yeast/bovine Arp2/3)[1].
CK-636 binds between Arp2 and Arp3, where it appears to block movement of Arp2 and Arp3 into their active conformation. CK-636 inserts into the hydrophobic core of Arp3 and alters its conformation. CK-636 prevents actin polymerization and the formation of actin filament comet tails by Listeria in infected SKOV3 cells (IC50=22 μM)[1]. Additionally, CK-636-treated T cells exhibits elongated morphology with sharp pseudopodia at the leading edges, while the breadth of the CK-636-treated T cells is about 30% less than that of DMSO-treated T cells[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 442632-72-6
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Appearance Solid
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Molecular Weight 284.38
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Formula C16H16N2OS
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Color Off-white to light yellow
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SMILES
O=C(C1=CC=CS1)NCCC2=C(C)NC3=C2C=CC=C3
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Synonyms
CK-0944636
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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 (4)
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Journal Impact Factor
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Most Recent
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Cancer Res
Targeting ARPC1B Overcomes Immune Checkpoint Inhibitor Resistance in Glioblastoma by Reversing Pro-tumorigenic Macrophage Polarization. [Abstract]2025 Apr 3;85(7):1236-1252. PMID: 39841088 -
J Cell Sci
2022 Jul 1;135(13):jcs259692. PMID: 35665815 -
Transbound Emerg Dis
2025 Nov 21:2025:5822897. PMID: 41323147 -
Solvent & Solubility
DMSO : ≥ 49 mg/mL (172.30 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
* "≥" means soluble, but saturation unknown.
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: ≥ 2.5 mg/mL (8.79 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 (8.79 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 (278 KB)
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SDS (396 KB)
- English - EN (396 KB)
- Français - FR (396 KB)
- Deutsch - DE (396 KB)
- Norwegian - NO (396 KB)
- Español - ES (396 KB)
- Swedish - SV (396 KB)
- Italian - IT (396 KB)
- Korean - KR (396 KB)
- Portuguese - PT (396 KB)
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Handling Instructions (2659 KB)
References
[1]. Nolen BJ, et al. Characterization of two classes of small molecule inhibitors of Arp2/3 complex. Nature. 2009 Aug 20;460(7258):1031-4. [Content Brief]
[2]. Kwon KW, et al. Migration of T cells on surfaces containing complex nanotopography. PLoS One. 2013 Sep 12;8(9):e73960. [Content Brief]
[3]. Liang Ma, et al. Discovery of the migrasome, an organelle mediating release of cytoplasmic contents during cell migration. Cell Res. 2015 Jan;25(1):24-38. [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 | 3.5164 mL | 17.5821 mL | 35.1642 mL | 87.9105 mL |
| 5 mM | 0.7033 mL | 3.5164 mL | 7.0328 mL | 17.5821 mL | |
| 10 mM | 0.3516 mL | 1.7582 mL | 3.5164 mL | 8.7911 mL | |
| 15 mM | 0.2344 mL | 1.1721 mL | 2.3443 mL | 5.8607 mL | |
| 20 mM | 0.1758 mL | 0.8791 mL | 1.7582 mL | 4.3955 mL | |
| 25 mM | 0.1407 mL | 0.7033 mL | 1.4066 mL | 3.5164 mL | |
| 30 mM | 0.1172 mL | 0.5861 mL | 1.1721 mL | 2.9304 mL | |
| 40 mM | 0.0879 mL | 0.4396 mL | 0.8791 mL | 2.1978 mL | |
| 50 mM | 0.0703 mL | 0.3516 mL | 0.7033 mL | 1.7582 mL | |
| 60 mM | 0.0586 mL | 0.2930 mL | 0.5861 mL | 1.4652 mL | |
| 80 mM | 0.0440 mL | 0.2198 mL | 0.4396 mL | 1.0989 mL | |
| 100 mM | 0.0352 mL | 0.1758 mL | 0.3516 mL | 0.8791 mL |
CK-636 Related Classifications
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