CHZ868
Based on 7 publication(s) in Google Scholar
CHZ868 is a type II JAK2 inhibitor with an IC50 of 0.17 μM in EPOR JAK2 WT Ba/F3 cell.
For research use only. We do not sell to patients.
- Purity: 98.69%
- CAS No.: 1895895-38-1
- Formula: C22H19F2N5O2
- Molecular Weight:423.42
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Storage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 1 year , -20°C, 6 months
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
- Protocol
- Purity & Documentation
- References
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Help & FAQs
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Publications Citing Use of MedChemExpress (MCE) CHZ868
More- Nat Commun. 2021 Jun 15;12(1):3651. [Abstract]
- Hemasphere. 2021 Aug 11;5(9):e630. [Abstract]
- Leukemia. 2019 Jun;33(6):1373-1386. [Abstract]
- NPJ Precis Oncol. 2021 Aug 10;5(1):75. [Abstract]
- Biomed Pharmacother. 2018 Mar:99:278-285. [Abstract]
- Eur J Pharmacol. 2025 Nov 5:1006:178178. [Abstract]
- bioRxiv. 2025 Nov 26.
Biological Activity
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JAK2 110 nM (IC50) |
CHZ868 potently inhibits constitutive JAK2 and STAT5 phosphorylation in JAK2V617F SET2 cells. CHZ868 potently inhibits the proliferation of SET2 cells (GI50=59nM), and has 6-fold less growth inhibitory activity against CMK cells (GI50=378nM)[1]. At 100 nM CHZ868 has activity against 26 kinases, including JAK2 and TYK2. CHZ868 is thought to engage with the hinge region of JAK2 through two H-bonds, formed between the amino-pyridine of CHZ868 and the backbone-NH/CO of L932, while the pyridine is occupying the adenine pocket of the ATP binding site. CHZ868 potently suppresses the growth of CRLF2-rearranged human B-ALL cells, abrogates JAK2 signaling[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.
Chemical Information
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CAS No. 1895895-38-1
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Appearance Solid
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Molecular Weight 423.42
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Formula C22H19F2N5O2
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Color White to gray
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SMILES
CC(NC1=CC(OC2=CC=C(N(C)C(NC3=CC=C(F)C=C3F)=N4)C4=C2C)=CC=N1)=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 1 year -20°C 6 months
Publications (7)
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Journal Impact Factor
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Most Recent
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Nat Commun
2021 Jun 15;12(1):3651. PMID: 34131122 -
Hemasphere
AXL Inhibition Represents a Novel Therapeutic Approach in BCR-ABL Negative Myeloproliferative Neoplasms. [Abstract]2021 Aug 11;5(9):e630. PMID: 34396051 -
Leukemia
Targeting nuclear β-catenin as therapy for post-myeloproliferative neoplasm secondary AML. [Abstract]2019 Jun;33(6):1373-1386. PMID: 30575820 -
NPJ Precis Oncol
Acquired JAK2 mutations confer resistance to JAK inhibitors in cell models of acute lymphoblastic leukemia. [Abstract]2021 Aug 10;5(1):75. PMID: 34376782 -
Biomed Pharmacother
miR-204 inhibits angiogenesis and promotes sensitivity to cetuximab in head and neck squamous cell carcinoma cells by blocking JAK2-STAT3 signaling. [Abstract]2018 Mar:99:278-285. PMID: 29353201 -
Eur J Pharmacol
Role of C/EBPβ/STAT3/AP-1 transcriptional complex formation in thrombin-induced connective tissue growth factor expression in human lung fibroblasts. [Abstract]2025 Nov 5:1006:178178. PMID: 40973011 -
Solvent & Solubility
DMSO : 100 mg/mL (236.17 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, 1 year; -20°C, 6 months. When stored at -80°C, please use it within 1 year. When stored at -20°C, please use it within 6 months.
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, 1 year; -20°C, 6 months. When stored at -80°C, please use it within 1 year. When stored at -20°C, please use it within 6 months.
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 (5.90 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 (5.90 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.
Protocol
CHZ868 is dissolved in DMSO to make 10 mM stock solution and diluted in culture media. Cells are treated with CHZ868 (0, 0.05, 0.1, 0.2 μM) or vehicle (DMSO). After 48 hr (Ba/F3 cells) or 72 hr (MHH-CALL4 and PDX cells), CellTiter-Glo Luminescent Cell Viability Assay is added (10 μL undiluted or 25 μL of a 1:2 dilution in each well) and plates are read[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Mice: CHZ868 is reconstituted in 0.5% methylcellulose / 0.5% Tween-80 and administered at doses of 10 or 30 mg/kg/day by oral gavage. Pharmacokinetic/pharmacodynamic and efficacy studies in the mouse model of rhEpo-induced polycythemia are carried out essentially as reported. Detection of STAT5 phosphorylation in spleen lysates by Meso Scale Discovery is performed[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Purity & Documentation
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Data Sheet (275 KB)
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SDS (641 KB)
- English - EN (641 KB)
- Français - FR (641 KB)
- Deutsch - DE (641 KB)
- Norwegian - NO (641 KB)
- Español - ES (641 KB)
- Swedish - SV (641 KB)
- Italian - IT (641 KB)
- Korean - KR (641 KB)
- Portuguese - PT (641 KB)
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Handling Instructions (2659 KB)
References
[1]. Meyer SC, et al. CHZ868, a Type II JAK2 Inhibitor, Reverses Type I JAK Inhibitor Persistence and Demonstrates Efficacy in Myeloproliferative Neoplasms. Cancer Cell. 2015 Jul 13;28(1):15-28. [Content Brief]
[2]. Wu SC, et al. Activity of the Type II JAK2 Inhibitor CHZ868 in B Cell Acute Lymphoblastic Leukemia. Cancer Cell. 2015 Jul 13;28(1):29-41. [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, 1 year; -20°C, 6 months. When stored at -80°C, please use it within 1 year. When stored at -20°C, please use it within 6 months.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO | 1 mM | 2.3617 mL | 11.8086 mL | 23.6172 mL | 59.0430 mL |
| 5 mM | 0.4723 mL | 2.3617 mL | 4.7234 mL | 11.8086 mL | |
| 10 mM | 0.2362 mL | 1.1809 mL | 2.3617 mL | 5.9043 mL | |
| 15 mM | 0.1574 mL | 0.7872 mL | 1.5745 mL | 3.9362 mL | |
| 20 mM | 0.1181 mL | 0.5904 mL | 1.1809 mL | 2.9522 mL | |
| 25 mM | 0.0945 mL | 0.4723 mL | 0.9447 mL | 2.3617 mL | |
| 30 mM | 0.0787 mL | 0.3936 mL | 0.7872 mL | 1.9681 mL | |
| 40 mM | 0.0590 mL | 0.2952 mL | 0.5904 mL | 1.4761 mL | |
| 50 mM | 0.0472 mL | 0.2362 mL | 0.4723 mL | 1.1809 mL | |
| 60 mM | 0.0394 mL | 0.1968 mL | 0.3936 mL | 0.9841 mL | |
| 80 mM | 0.0295 mL | 0.1476 mL | 0.2952 mL | 0.7380 mL | |
| 100 mM | 0.0236 mL | 0.1181 mL | 0.2362 mL | 0.5904 mL |
CHZ868 Related Classifications
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