Crozbaciclib
Based on 1 Customer Validation
Crozbaciclib (CDK4/6/1 Inhibitor) is a CDK4/6 inhibitor with IC50s of 3 and 1 nM, respectively.
For research use only. We do not sell to patients.
- Purity: 99.94%
- CAS No.: 2099128-41-1
- Formula: C28H30F2N6
- Molecular Weight:488.57
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Storage:Powder -20°C, 3 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
- Protocol
- Purity & Documentation
- References
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Help & FAQs
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Biological Activity
IC50: 3 nM (CDK4), 1 nM (CDK6)[1]
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Cell Line
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Type | Value | Description | References |
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| U-87MG ATCC | IC50 |
15.3 nM
Compound: 11
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Antiproliferative activity against human U87MG cells after 72 hrs by DAPI staining based assay
Antiproliferative activity against human U87MG cells after 72 hrs by DAPI staining based assay
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[PMID: 29247857] |
Crozbaciclib is a potent anti-proliferative agent that arrests U87MG cell line exclusively in G1 (IC50=15.3 ± 2.9 nM in the anti-proliferation assay). Crozbaciclib (13.72 nM; 24 h) significantly increases in the percentage of cells in G1 in U87MG cells[1].
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. 2099128-41-1
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Appearance Solid
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Molecular Weight 488.57
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Formula C28H30F2N6
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Color Off-white to yellow
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SMILES
CC(C1(CCCC1)C2=CC(C3=NC(NC4=CC=C(C5CCN(C)CC5)C=N4)=NC=C3F)=C6)=NC2=C6F
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Synonyms
CDK4/6/1 Inhibitor
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Powder -20°C 3 years In solvent -80°C 6 months -20°C 1 month
Solvent & Solubility
DMSO : 33.33 mg/mL (68.22 mM; ultrasonic and adjust pH to 3 with 1 M HCl; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
1 M HCl : 25 mg/mL (51.17 mM; Need ultrasonic)
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 (5.12 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 (5.12 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
The U87MG glioblastoma cells are treated with CDK4/6/1 and incubated for 72 h at 37°C. Then the medium is removed, 4% paraformaldehyde (50 µL/well) is added to the wells, and the cells are fixed for 30 min at RT. Cells are washed twice with phosphate-buffered saline (PBS) solution, and permeabilized in 0.2% Triton-X100 for 5 min. Cells are ished twice with PBS, after which 50 µL DAPI (1 µg/mL) is added to the wells, followed by incubation of the cells in the dark for 20 min. After ishing three times with PBS, PBS (100 µL/well) is added to the wells. The plates are scanned using IN Cell Analyzer 2200[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Mice[1]
In the U87MG-Luc orthotopic xenograft mouse model, mice are treated with 3.125, 6.25, 12.5, 25, 50 mg/kg QD CDK4/6/1 Inhibitor for 28 days
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Purity & Documentation
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Data Sheet (273 KB)
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SDS (251 KB)
- English - EN (251 KB)
- Français - FR (251 KB)
- Deutsch - DE (251 KB)
- Norwegian - NO (251 KB)
- Español - ES (251 KB)
- Swedish - SV (251 KB)
- Italian - IT (251 KB)
- Korean - KR (251 KB)
- Portuguese - PT (251 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 |
|---|---|---|---|---|---|
| 1 M HCl / DMSO | 1 mM | 2.0468 mL | 10.2339 mL | 20.4679 mL | 51.1697 mL |
| 5 mM | 0.4094 mL | 2.0468 mL | 4.0936 mL | 10.2339 mL | |
| 10 mM | 0.2047 mL | 1.0234 mL | 2.0468 mL | 5.1170 mL | |
| 15 mM | 0.1365 mL | 0.6823 mL | 1.3645 mL | 3.4113 mL | |
| 20 mM | 0.1023 mL | 0.5117 mL | 1.0234 mL | 2.5585 mL | |
| 25 mM | 0.0819 mL | 0.4094 mL | 0.8187 mL | 2.0468 mL | |
| 30 mM | 0.0682 mL | 0.3411 mL | 0.6823 mL | 1.7057 mL | |
| 40 mM | 0.0512 mL | 0.2558 mL | 0.5117 mL | 1.2792 mL | |
| 50 mM | 0.0409 mL | 0.2047 mL | 0.4094 mL | 1.0234 mL | |
| DMSO | 60 mM | 0.0341 mL | 0.1706 mL | 0.3411 mL | 0.8528 mL |
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