2. Cell Cycle/DNA Damage Stem Cell/Wnt Metabolic Enzyme/Protease MAPK/ERK Pathway
  3. Casein Kinase CDK SGK Ribosomal S6 Kinase (RSK)
  4. CKI-7 free base

CKI-7 free base is a potent and ATP-competitive casein kinase 1 (CK1) inhibitor with an IC50 of 6 μM and a Ki of 8.5 μM. CKI-7 free base is a selective Cdc7 kinase inhibitor. CKI-7 free base also inhibits SGK, ribosomal S6 kinase-1 (S6K1) and mitogen- and stress-activated protein kinase-1 (MSK1). CKI-7 free base has a much weaker effect on casein kinase II and other protein kinases.

For research use only. We do not sell to patients.

CKI-7 free base Chemical Structure

CKI-7 free base Chemical Structure

CAS No. : 120615-25-0

Size Price Stock Quantity
Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
ready for reconstitution
 USD 157 In-stock
Solution
10 mM * 1 mL in DMSO USD 157 In-stock
Solid
5 mg USD 85 In-stock
10 mg USD 150 In-stock
25 mg USD 335 In-stock
50 mg USD 560 In-stock
100 mg USD 1120 In-stock
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Customer Review

Based on 1 publication(s) in Google Scholar

Other Forms of CKI-7 free base:

CKI-7 free base Related Antibodies

Top Publications Citing Use of Products

1 Publications Citing Use of MCE CKI-7 free base

View All Casein Kinase Isoform Specific Products:

View All Isoforms
CK1 CK2

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View All Isoforms
CDK1 CDK2 CDK3 CDK4 CDK5 CDK6 CDK7 CDK8 CDK9 CDK11 CDK12 CDK13 CDK14 CDK16 CDK19 CDC CLK Pho85

View All SGK Isoform Specific Products:

View All Isoforms
SGK1 SGK3

View All Ribosomal S6 Kinase (RSK) Isoform Specific Products:

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p70S6K RSK1 RSK2 RSK3 RSK4

  • Biological Activity

  • Purity & Documentation

  • References

  • Customer Review

Description

CKI-7 free base is a potent and ATP-competitive casein kinase 1 (CK1) inhibitor with an IC50 of 6 μM and a Ki of 8.5 μM. CKI-7 free base is a selective Cdc7 kinase inhibitor. CKI-7 free base also inhibits SGK, ribosomal S6 kinase-1 (S6K1) and mitogen- and stress-activated protein kinase-1 (MSK1). CKI-7 free base has a much weaker effect on casein kinase II and other protein kinases[1][2][3][4].

IC50 & Target[1][2][3]

CK1

6 μM (IC50)

CK1

8.5 μM (Ki)

Cdc7

 

SGK

 

MSK1

 

In Vitro

CKI-7 (0.1-10 μM; 5 days; ES cells) treatment significantly increases the expression of the early neuroectodermal marker Sox1 and the number of cells positive for the neural markers nestin and βIII-tubulin, in a concentration-dependent manner[1].
CKI-7 (5 μM; 5 days; ES cells) treatment suppresses SFEB-induced β-catenin stabilization on day 5, indicating that CKI-7 inhibits Wnt signaling[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

CKI-7 free base Related Antibodies

RT-PCR[1]

Cell Line: Mouse ES cells
Concentration: 0.1-10 μM
Incubation Time: 5 days
Result: Significantly increased the expression of the early neuroectodermal marker Sox1 and the number of cells positive for the neural markers nestin and βIII-tubulin, in a concentration-dependent manner.

Western Blot Analysis[1]

Cell Line: Mouse ES cells
Concentration: 5 μM
Incubation Time: 5 days
Result: Suppressed SFEB-induced β-catenin stabilization on day 5.
In Vivo

In vivo dose-dependent anti-tumor activity of CKI-7 is demonstrated in a SCID-Beige mouse systemic tumor model utilzing a recently isolated Philadelphia chromosome positive acute lymphoblastic leukemia cell line. Standard cell cycle synchronization studies established that exposure to CKI-7 results in cell cycle dependent caspase 3 activation and apoptotic cell death[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Molecular Weight

285.75

Formula

C11H12ClN3O2S
CAS No.
Appearance

Solid

Color

Off-white to light yellow

SMILES

O=S(C1=CC=C(Cl)C2=C1C=NC=C2)(NCCN)=O
Shipping

Room temperature in continental US; may vary elsewhere.
Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : 25 mg/mL (87.49 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 3.4996 mL 17.4978 mL 34.9956 mL
5 mM 0.6999 mL 3.4996 mL 6.9991 mL
View the 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.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
=
Concentration
×
Volume
×
Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo:

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.

  • Protocol 1

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: ≥ 2.08 mg/mL (7.28 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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.
  • Protocol 2

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in Saline)

    Solubility: ≥ 2.08 mg/mL (7.28 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
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

Purity: 99.80%

COA (249 KB) LCMS (103 KB)

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
DMSO 1 mM 3.4996 mL 17.4978 mL 34.9956 mL 87.4891 mL
5 mM 0.6999 mL 3.4996 mL 6.9991 mL 17.4978 mL
10 mM 0.3500 mL 1.7498 mL 3.4996 mL 8.7489 mL
15 mM 0.2333 mL 1.1665 mL 2.3330 mL 5.8326 mL
20 mM 0.1750 mL 0.8749 mL 1.7498 mL 4.3745 mL
25 mM 0.1400 mL 0.6999 mL 1.3998 mL 3.4996 mL
30 mM 0.1167 mL 0.5833 mL 1.1665 mL 2.9163 mL
40 mM 0.0875 mL 0.4374 mL 0.8749 mL 2.1872 mL
50 mM 0.0700 mL 0.3500 mL 0.6999 mL 1.7498 mL
60 mM 0.0583 mL 0.2916 mL 0.5833 mL 1.4582 mL
80 mM 0.0437 mL 0.2187 mL 0.4374 mL 1.0936 mL
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CKI-7 free base Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

CKI-7120615-25-0CKI7CKI 7Casein KinaseCDKSGKRibosomal S6 Kinase (RSK)Cyclin dependent kinaseSerum-glucocorticoid regulated kinaseSerum and glucocorticoid-regulated kinaseS6KWntSox1βIII-tubulinnestinneuraldifferentiationCK1S6K1MSK1Inhibitorinhibitorinhibit

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