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CDK2-IN-3

Cat No.:V55071 Purity: ≥98%
CDK2-IN-3 (compound 3) is a potent and specific CDK2 inhibitor at 50 and 60 nM.
CDK2-IN-3
CDK2-IN-3 Chemical Structure CAS No.: 222035-13-4
Product category: CDK
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
1mg
Other Sizes
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Product Description
CDK2-IN-3 (compound 3) is a potent and specific CDK2 inhibitor at 50 and 60 nM.
CDK2-IN-3 (CAS 222035-13-4) is a potent and selective inhibitor of cyclin-dependent kinase 2 (CDK2). Also known as compound 3, its molecular formula is C14H11BrN4O3S with a molecular weight of 395.23 g/mol. CDK2-IN-3 has an IC50 of 60 nM. CDK2 is an essential enzyme regulating the cell cycle transition from G1 to S phase. The compound is widely used in cancer research to study CDK2-dependent signaling and therapeutic interventions in tumors with deregulated cell cycle control.
Biological Activity I Assay Protocols (From Reference)
Targets
CDK2 60 nM (IC50)
CDK2-IN-3 targets cyclin-dependent kinase 2 (CDK2). CDK2 is an essential enzyme that regulates the cell cycle transition from G1 to S phase. By inhibiting CDK2, the compound blocks cell cycle progression and inhibits cell proliferation. The compound is a potent and selective CDK2 inhibitor with an IC50 of 60 nM. It is widely used in cancer research.
ln Vitro
In cell-free biochemical assays, CDK2-IN-3 inhibits CDK2 with an IC50 of 60 nM. This activity demonstrates the compound's potent and direct inhibition of CDK2 enzymatic activity. The compound's selectivity for CDK2 over other CDKs can be assessed using kinase profiling assays. The compound is widely used in cancer research to study CDK2-dependent signaling.
ln Vivo
In cell-based assays, CDK2-IN-3 inhibits CDK2 activity, leading to cell cycle arrest and inhibition of cell proliferation. The compound (12 μM, 24 hours) significantly protects CCL64 mink lung epithelial cells from various chemotherapeutic drugs such as Taxol and 5-FU. This suggests a potential role in protecting normal cells from chemotherapy-induced toxicity. The compound is used in cancer research.
Enzyme Assay
The cell-free assay for CDK2 inhibition involves measuring the kinase activity of purified CDK2-cyclin complex in the presence of the compound. The assay uses a peptide substrate and ATP, and the phosphorylation of the substrate is measured using radioactivity, fluorescence, or luminescence. The IC50 of 60 nM is determined from dose-response curves.
Cell Assay
Cell-based assays for CDK2-IN-3 involve culturing cancer cell lines and treating them with the compound at concentrations ranging from 0.01 to 100 μM. Cells are incubated for 24-72 hours, and cell viability is assessed using MTT or CCK-8 assays. Cell cycle analysis is performed by flow cytometry. The compound's protective effects on normal cells from chemotherapy-induced toxicity are assessed in relevant cell models.
Animal Protocol
In animal models, CDK2-IN-3 could potentially be evaluated for its anti-tumor activity and its ability to protect normal cells from chemotherapy-induced toxicity. Typical studies involve administration of the compound to tumor-bearing mice via intraperitoneal or oral routes. Tumor growth, cell cycle markers, and toxicity are assessed. The compound's protective effects on normal tissues are evaluated.
ADME/Pharmacokinetics
Pharmacokinetic properties of CDK2-IN-3 have not been extensively reported. As a small molecule with a molecular weight of 395.23 g/mol, the compound would be expected to have moderate oral bioavailability and tissue penetration. The compound is typically stored at -20°C, protect from light. Further pharmacokinetic studies would be required.
Toxicity/Toxicokinetics
CDK2-IN-3 is intended for research use only and lacks established toxicity profiles for therapeutic applications. Standard laboratory safety precautions should be observed when handling this chemical reagent. As a CDK2 inhibitor, the compound may have effects on normal dividing cells as well as cancer cells. Standard toxicity studies in rodents would be required to determine the safety profile.
References

[1]. Prevention of chemotherapy-induced alopecia in rats by CDK inhibitors. Science. 2001 Jan 5;291(5501):134-7.

Additional Infomation
CDK2-IN-3 is a research-grade compound supplied for cancer research. It is not an approved pharmaceutical and has no clinical trial history. The compound is a potent and selective CDK2 inhibitor with an IC50 of 60 nM. It is widely used to study CDK2-dependent signaling and therapeutic interventions in tumors. This product is intended for research use only.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C14H11BRN4O3S
Molecular Weight
395.23
Exact Mass
393.973
CAS #
222035-13-4
PubChem CID
3551941
Appearance
Light yellow to yellow solid powder
Density
1.9±0.1 g/cm3
Index of Refraction
1.769
LogP
2.53
Hydrogen Bond Donor Count
3
Hydrogen Bond Acceptor Count
6
Rotatable Bond Count
3
Heavy Atom Count
23
Complexity
545
Defined Atom Stereocenter Count
0
SMILES
C1=CC(=CC=C1N=NC2=C(NC3=C2C=C(C=C3)Br)O)S(=O)(=O)N
InChi Key
IWDDMLCHUYBHHD-UHFFFAOYSA-N
InChi Code
InChI=1S/C14H11BrN4O3S/c15-8-1-6-12-11(7-8)13(14(20)17-12)19-18-9-2-4-10(5-3-9)23(16,21)22/h1-7,17,20H,(H2,16,21,22)
Chemical Name
4-[(5-bromo-2-hydroxy-1H-indol-3-yl)diazenyl]benzenesulfonamide
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

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)
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.5302 mL 12.6509 mL 25.3017 mL
5 mM 0.5060 mL 2.5302 mL 5.0603 mL
10 mM 0.2530 mL 1.2651 mL 2.5302 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:

  • Calculate the Mass of a compound required to prepare a solution of known volume and concentration
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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)
  • Click the “Calculate” button
  • 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)
  • Click the “Calculate” button
  • 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:
  • To calculate molar mass of a chemical compound, please enter the chemical/molecular formula and click the “Calculate’ button.
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
  • Click the “Calculate” button
  • 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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