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CK7

Cat No.:V52984 Purity: ≥98%
CK7, a Cdk2/9 inhibitor, may be utilized to prepare the Nek1 inhibitors BSc5231 and BSc5367.
CK7
CK7 Chemical Structure CAS No.: 507487-89-0
Product category: CDK
This product is for research use only, not for human use. We do not sell to patients.
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5mg
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Product Description
CK7, a Cdk2/9 inhibitor, may be utilized to prepare the Nek1 inhibitors BSc5231 and BSc5367.
CK7 (CAS# 507487-89-0) is a Cdk2/9 inhibitor that can be used for the synthesis of Nek1 inhibitor BSc5231 and BSc5367. It has a molecular formula of C14H12N6O2S and a molecular weight of 328.35. CK7 is a cyclin-dependent kinase inhibitor targeting CDK2 and CDK9. The compound is used in research applications for studying cell cycle regulation and kinase signaling pathways. Purity is 99.72%.
Biological Activity I Assay Protocols (From Reference)
Targets
CDK2 CDK9
CK7 targets cyclin-dependent kinases 2 and 9 (Cdk2/9), which are key regulators of cell cycle progression and transcription. CDK2 is involved in the G1/S transition and DNA replication, while CDK9 regulates transcriptional elongation through phosphorylation of RNA polymerase II. Inhibition of Cdk2/9 by CK7 leads to cell cycle arrest and inhibition of transcription. The compound can also be used for the synthesis of Nek1 inhibitors.
ln Vitro
CK7 demonstrates in vitro activity as a Cdk2/9 inhibitor. It can be used for the synthesis of Nek1 inhibitor BSc5231 and BSc5367. The compound's activity is typically assessed in kinase inhibition assays using purified CDK2 and CDK9 enzymes, as well as in cellular assays measuring cell cycle progression and transcriptional activity. As a Cdk2/9 inhibitor, it is a valuable tool for studying cell cycle regulation.
ln Vivo
In vivo studies for CK7 have not been extensively documented in the available literature. As a Cdk2/9 inhibitor, it has potential for in vivo applications in cancer research. Studies in appropriate animal models would be needed to evaluate its in vivo efficacy, pharmacokinetics, and safety profile. The compound's small molecule properties suggest potential for oral bioavailability and tissue penetration.
Enzyme Assay
For kinase inhibition assays, CK7 is tested against CDK2 and CDK9 at various concentrations. Kinase activity is measured using radiometric (33P-ATP incorporation) or fluorescence-based methods with appropriate substrates. IC50 values are calculated from dose-response curves. Selectivity profiling is conducted by screening the compound against a panel of related kinases to assess specificity for Cdk2/9.
Cell Assay
For cellular studies, appropriate cancer cell lines are cultured in appropriate media and treated with CK7 at various concentrations. Cells are incubated for 24-72 hours, and cell viability is assessed using MTT or CellTiter-Glo assays. Cell cycle analysis is performed using propidium iodide staining and flow cytometry. CDK2 and CDK9 inhibition is assessed by measuring phosphorylation of their substrates by Western blot.
Animal Protocol
For in vivo efficacy studies, appropriate animal models of cancer would be used. CK7 would be administered via appropriate routes at various doses. Tumor volume would be measured, and body weight monitored for toxicity. CDK2/9 inhibition and downstream effects in tumor tissues would be assessed by Western blot. Pharmacokinetic parameters including half-life, clearance, and tissue distribution would be determined. However, detailed in vivo protocols for CK7 have not been extensively reported.
ADME/Pharmacokinetics
Pharmacokinetic properties of CK7 have not been fully characterized in the available literature. The compound has a molecular formula of C14H12N6O2S and a molecular weight of 328.35. Purity is 99.72%. It is soluble in DMSO at 12.5 mg/mL (38.07 mM) with ultrasonic and warming to 60°C. Comprehensive PK studies including bioavailability, half-life, protein binding, and tissue distribution are needed.
Toxicity/Toxicokinetics
CK7 is a research compound intended for laboratory use only and is not approved for human therapeutic use. As a Cdk2/9 inhibitor, it can be used for the synthesis of Nek1 inhibitors BSc5231 and BSc5367. Standard laboratory safety precautions should be followed when handling this compound. Purity is 99.72%.
References

[1]. Design, synthesis and biological evaluation of novel aminopyrazole- and 7-azaindole-based Nek1 inhibitors and their effects on zebrafish kidney development. Bioorg Med Chem Lett. 2021;53:128418.

Additional Infomation
CK7 is a Cdk2/9 inhibitor with molecular formula C14H12N6O2S and molecular weight 328.35. It can be used for the synthesis of Nek1 inhibitors BSc5231 and BSc5367. The compound is used in research for studying cell cycle regulation and kinase signaling pathways. It is for research use only and has not been approved for clinical applications. Purity 99.72%.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C14H12N6O2S
Molecular Weight
328.35
Exact Mass
328.074
CAS #
507487-89-0
PubChem CID
447961
Appearance
Light yellow to yellow solid powder
LogP
3.668
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
8
Rotatable Bond Count
3
Heavy Atom Count
23
Complexity
423
Defined Atom Stereocenter Count
0
InChi Key
DYTKVFHLKPDNRW-UHFFFAOYSA-N
InChi Code
InChI=1S/C14H12N6O2S/c1-8-12(23-13(15)17-8)11-5-6-16-14(19-11)18-9-3-2-4-10(7-9)20(21)22/h2-7H,1H3,(H2,15,17)(H,16,18,19)
Chemical Name
4-methyl-5-[2-(3-nitroanilino)pyrimidin-4-yl]-1,3-thiazol-2-amine
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Note: This product requires protection from light (avoid light exposure) during transportation and storage.
Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO : 12.5 mg/mL (38.07 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.08 mg/mL (6.33 mM) (saturation unknown) in 10% DMSO + 40% PEG300 +5% Tween-80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 + to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 3.0455 mL 15.2277 mL 30.4553 mL
5 mM 0.6091 mL 3.0455 mL 6.0911 mL
10 mM 0.3046 mL 1.5228 mL 3.0455 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
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  • The answer appears in the Volume (to add to vial) box
In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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