1. Epigenetics
  2. DNA Methyltransferase
  3. GSK-3685032

GSK-3685032 is a non-time-dependent, noncovalently, first-in-class reversible DNMT1-selective inhibitor, with an IC50 of 0.036 μM. GSK-3685032 induces robust loss of DNA methylation, transcriptional activation, and cancer cell growth inhibition.

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

GSK-3685032 Chemical Structure

GSK-3685032 Chemical Structure

CAS No. : 2170137-61-6

Size Price Stock Quantity
Solid + Solvent
10 mM * 1 mL in DMSO
ready for reconstitution
USD 242 In-stock
Solution
10 mM * 1 mL in DMSO USD 242 In-stock
Solid
1 mg USD 90 In-stock
5 mg USD 220 In-stock
10 mg USD 350 In-stock
25 mg USD 700 In-stock
50 mg USD 1050 In-stock
100 mg USD 1570 In-stock
200 mg   Get quote  
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Based on 3 publication(s) in Google Scholar

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Description

GSK-3685032 is a non-time-dependent, noncovalently, first-in-class reversible DNMT1-selective inhibitor, with an IC50 of 0.036 μM. GSK-3685032 induces robust loss of DNA methylation, transcriptional activation, and cancer cell growth inhibition[1].

IC50 & Target

DNMT1[1]

In Vitro

GSK-3685032 (6 days) has cell growth inhibition of majority cancer cell lines, with a median growth IC50 value of 0.64 μM[1].
GSK-3685032 (0.1-1000 nM, 1-6 days) exhibits growth inhibition after 3 days, with decreasing growth IC50 throughout a 6 d time course[1].
GSK3685032 (10-10000 nM, day 4) dose-dependently increases the immune-related gene transcription[1].
GSK3685032 (3.2-10,000 nM, 2 days) inhibits DNMT1 protein expression[1].
GSK3685032 induces DNA hypomethylation and gene activation[1].

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

Cell Proliferation Assay[1]

Cell Line: 15 leukemia, 29 lymphoma and 7 multiple myeloma cell lines, e.g., EOL-1, Ki-JK, MM.IR cells.
Concentration: 0.01-100 μM
Incubation Time: 6 days
Result: Showed cell growth inhibition of majority cancer cell lines, with a median growth IC50 value of 0.64 μM.

Cell Proliferation Assay[1]

Cell Line: MV4-11 cells
Concentration: 0.1-1000 nM
Incubation Time: 1-6 days
Result: Exhibited growth inhibition after 3 days, with decreasing growth IC50 throughout a 6 d time course.

RT-PCR[1]

Cell Line: MV4-11 cells
Concentration: 10-10000 nM
Incubation Time: 4 days
Result: Dose-dependent increased of CXCL11, IFI27, HLA-DQA1 and MAGEA4 following treatment of MV4-11 cells.

Western Blot Analysis[1]

Cell Line: GDM-1 cells
Concentration: 3.2-10,000 nM
Incubation Time: 2 days
Result: Inhibited DNMT1 protein expression
In Vivo

GSK-3685032 (1-45 mg/kg; subcutaneous twice daily for 28 days) inhibits tumor growth in the subcutaneous MV4-11 or SKM-1 xenograft models[1].

Summary of mouse pharmacokinetic parameters for GSK-3685032[1]

Dose,Route Cmax
(ng/mL)
AUC0-8hr
(h*ng/mL)
DNAUC
(h*kg*ng/mL/mg)
Clearance
(mL/min/kg)
Volumedss
(L/kg)
T1/2
(h)
2 mg/kg,IV 5103 2418 1209 13 1.3 1.8
2 mg/kg,SC 252 921 461 NA NA 2.8
2 mg/kg,SC 5473 15400 513 NA NA ND

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

Animal Model: MV4-11 xenograft models (female CD1-Foxn1 mice, 12 weeks of age) or SKM-1 xenograft models (NOD. CB17-Prkdc1NCrCrl mice, 8-11 weeks of age)[1]
Dosage: 1, 5, 15, 30, 45 mg/kg (10% captisol adjusted to pH 4.5-5 with 1 M acetic acid, stored for up to 1 week at 4 °C)
Administration: Subcutaneous injection, twice daily for 4 weeks
Result: Revealed statistically significant dose-dependent tumor growth inhibition with clear regression at ≥30 mg/kg.
Molecular Weight

420.53

Formula

C22H24N6OS

CAS No.
Appearance

Solid

Color

White to off-white

SMILES

N#CC1=C(SC(C2=CC=CC=C2)C(N)=O)N=C(N3CCC(CC3)N)C(C#N)=C1CC

Shipping

Room temperature in continental US; may vary elsewhere.

Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 2 years
-20°C 1 year
Solvent & Solubility
In Vitro: 

DMSO : 25 mg/mL (59.45 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 2.3780 mL 11.8898 mL 23.7795 mL
5 mM 0.4756 mL 2.3780 mL 4.7559 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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

  • Molarity Calculator

  • Dilution Calculator

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

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Molecular Weight *

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

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

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V1

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Concentration (final)

C2

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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: ≥ 2.5 mg/mL (5.94 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.
  • Protocol 2

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

    Solubility: ≥ 2.5 mg/mL (5.94 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.
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: 99.95%

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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 2.3780 mL 11.8898 mL 23.7795 mL 59.4488 mL
5 mM 0.4756 mL 2.3780 mL 4.7559 mL 11.8898 mL
10 mM 0.2378 mL 1.1890 mL 2.3780 mL 5.9449 mL
15 mM 0.1585 mL 0.7927 mL 1.5853 mL 3.9633 mL
20 mM 0.1189 mL 0.5945 mL 1.1890 mL 2.9724 mL
25 mM 0.0951 mL 0.4756 mL 0.9512 mL 2.3780 mL
30 mM 0.0793 mL 0.3963 mL 0.7927 mL 1.9816 mL
40 mM 0.0594 mL 0.2972 mL 0.5945 mL 1.4862 mL
50 mM 0.0476 mL 0.2378 mL 0.4756 mL 1.1890 mL
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GSK-3685032 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.

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