Cat. No.: HY-16910

WIKI4

5 Cited Publications

Customer Review

Based on 5 publication(s) in Google Scholar

WIKI4 is a potent tankyrase inhibitor with an IC₅₀ of 26 nM for TNKS2. WIKI4 potently inhibits Wnt/β-catenin signaling and that its half-maximal response dose is 75 nM. WIKI4 mediates its effects on Wnt/β-catenin signaling by inhibiting the enzymatic activity of TNKS2. WIKI4 is cytotoxic to SCLC cells with an IC₅₀ value of 0.02 μM.

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

Purity: 99.61%
CAS No.: 838818-26-1
Formula: C₂₉H₂₃N₅O₃S
Molecular Weight:521.59

Storage:

Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 2 years , -20°C, 1 year

WIKI4 Chemical Structure

CAS No.: 838818-26-1

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Top Publications Citing

Use of MCE Products

Fluorescent Dye

Strong Fluorescence Signal / Multi-Disciplinary Applications / High Fluorescence Specificity

Biological Activity
- Description
- IC₅₀ & Target
- In Vitro
Chemical Information
Publications (5)
Solvent & Solubility
- In Vitro
Purity & Documentation
References
Help & FAQs
Classifications
Bioz

Biological Activity

Description

WIKI4 is a potent tankyrase inhibitor with an IC₅₀ of 26 nM for TNKS2. WIKI4 potently inhibits Wnt/β-catenin signaling and that its half-maximal response dose is 75 nM. WIKI4 mediates its effects on Wnt/β-catenin signaling by inhibiting the enzymatic activity of TNKS2^[1]^[2]. WIKI4 is cytotoxic to SCLC cells with an IC₅₀ value of 0.02 μM^[3].

IC₅₀ & Target^[2]

TNKS2

26 nM (IC₅₀)

All PARP Isoforms :

All Wnt Isoforms :

In Vitro

WIKI4 (100 nM, 1 μM; 6 days; DLD1 cells) inhibits growth of DLD1 cells relative to DMSO controls in media containing low serum. WIKI4 inhibits expression of β-catenin target genes and cellular responses to Wnt/β-catenin signaling^[1].
WIKI4 (1 μM; 2 hours, 4 hours, 6 hours, or 24 hours; DLD1 cells) significantly increases the steady-state abundance of AXIN1 and AXIN2^[1].

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

Cell Viability Assay^[1]

Cell Line:

DLD1 cells
Concentration:

100 nM, 1 μM
Incubation Time:

6 days
Result:

Inhibited growth of DLD1 cells.

Western Blot Analysis^[1]

Cell Line:

DLD1 cells
Concentration:

1 μM
Incubation Time:

2 hours,4 hours,6 hours, or 24 hours
Result:

Significantly increased the steady-state abundance of AXIN1 and AXIN2.

Chemical Information

CAS No. 838818-26-1
Appearance Solid
Molecular Weight 521.59
Formula C₂₉H₂₃N₅O₃S
Color Off-white to light yellow
SMILES

O=C1N(CCCSC2=NN=C(C3=CC=NC=C3)N2C4=CC=C(OC)C=C4)C(C5=CC=CC6=CC=CC1=C56)=O
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

Publications (5)

All WBRT-PCR

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Journal Impact Factor

J Clin Invest

A pathogenic variant of AMOT leads to isolated X-linked congenital hydrocephalus due to N-terminal truncation. [Abstract]

2025 Sep 2;135(17):e179438. PMID: 40892511
Discov Oncol

Aberrant expression of MRAS and HEG1 as the biomarkers for osimertinib resistance in LUAD. [Abstract]

2024 Nov 19;15(1):678. PMID: 39560891
Dig Dis Sci

Tumor Necrosis Factor Ligand-Related Molecule 1A Regulates the Occurrence of Colitis-Associated Colorectal Cancer. [Abstract]

2018 Sep;63(9):2341-2350. PMID: 29796912

WIKI4 purchased from MedChemExpress. Usage Cited in: Dig Dis Sci. 2018 Sep;63(9):2341-2350. [Abstract]

The expression of c-myc and Cyclin D1 is further decreased after adding β-catenin inhibitor (WIKI4) in protein level.

WIKI4 purchased from MedChemExpress. Usage Cited in: Dig Dis Sci. 2018 Sep;63(9):2341-2350. [Abstract]

The expression of c-myc and Cyclin D1 is further decreased after adding β-catenin inhibitor (WIKI4) in mRNA level.
Dig Dis

LncRNA H19 Promoted the Epithelial to Mesenchymal Transition and Metastasis in Gastric Cancer via Activating Wnt/β-Catenin Signaling. [Abstract]

2022;40(4):436-447. PMID: 34348271
bioRxiv

2026 Jun 9.

Solvent & Solubility

In Vitro:

DMSO : 6.8 mg/mL (13.04 mM; Need ultrasonic and warming; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

View the Complete Stock Solution Preparation Table

Preparing Stock Solutions

View the Complete Stock Solution Preparation Table

Concentration Solvent Mass

1 mg

5 mg

10 mg

Concentration

Solvent

Mass

1 mM

1.9172 mL

9.5861 mL

19.1721 mL

5 mM

0.3834 mL

1.9172 mL

3.8344 mL

10 mM

0.1917 mL

0.9586 mL

1.9172 mL

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.

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

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Purity & Documentation

Select Batch:

Purity: 99.98%

Assay: 99.98%

ee.: 99.98%

Data Sheet (279 KB)
SDS (537 KB)
- English - EN (537 KB)
- Français - FR (537 KB)
- Deutsch - DE (537 KB)
- Norwegian - NO (537 KB)
- Español - ES (537 KB)
- Swedish - SV (537 KB)
- Italian - IT (537 KB)
- Korean - KR (537 KB)
- Portuguese - PT (537 KB)
COA (2659 KB)
Elemental Analysis Report (2659 KB)
HNMR (2659 KB)
CNMR (2659 KB)
RP-HPLC (2659 KB)
NP-HPLC (2659 KB)
MS (2659 KB)
LCMS (2659 KB)
IR (2659 KB)
GC (2659 KB)
OR (2659 KB)
SDS-PAGE (2659 KB)
SEC-HPLC (2659 KB)
Other Report (2659 KB)
Handling Instructions (2659 KB)

References

[1]. James RG, et al. WIKI4, a novel inhibitor of tankyrase and Wnt/ß-catenin signaling. PLoS One. 2012;7(12):e50457. [Content Brief]

[2]. Haikarainen T, et al. Structural basis and selectivity of tankyrase inhibition by a Wnt signaling inhibitor WIKI4. PLoS One. 2013 Jun 6;8(6):e65404. [Content Brief]

[3]. Sadava D, et al. The effect of brassinolide, a plant steroid hormone, on drug resistant small-cell lung carcinoma cells. Biochem Biophys Res Commun. 2017 Nov 4;493(1):783-787. [Content Brief]

Help & FAQs

How should lyophilized recombinant proteins be reconstituted and stored?

1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss.

Complete Stock Solution Preparation Table

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	1.9172 mL	9.5861 mL	19.1721 mL	47.9304 mL
	5 mM	0.3834 mL	1.9172 mL	3.8344 mL	9.5861 mL
	10 mM	0.1917 mL	0.9586 mL	1.9172 mL	4.7930 mL

Keywords

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WIKI4

Cell Cycle/DNA Damage Compound Library

Epigenetics Compound Library

Stem Cell Signaling Compound Library

Wnt/Hedgehog/Notch Compound Library

Anti-Cancer Compound Library

Anti-Aging Compound Library

Differentiation Inducing Compound Library

Cytoskeleton Compound Library

Neuroprotective Compound Library

Anti-Breast Cancer Compound Library

Anti-Pancreatic Cancer Compound Library

Transcription Factor-Targeted Library

Anti-Liver Cancer Compound Library

Anti-Colorectal Cancer Compound Library

Anti-Prostate Cancer Compound Library

Anti-Pulmonary Fibrosis Compound Library

Cancer Stem Cells Compound Library

Heterocyclic Compound Library

Antihypertensive Compound Library

Highly Selective Inhibitors Library

Extracellular Vesicles (EVs) Compound Library

Anti-Ovarian Cancer Compound Library

Multi-Target Compound Library

Bioactive Compound Library Max

Epigenetics Compound Library Mini

MCE Bioactive Compound Library

Bioactive Compound Library

Anti-Gastric Cancer Compound Library

Anti-Fibrosis Compound Library

Cell Proliferation Compound Library

High-Throughput Bioactive Compound Library

Anti-Rheumatic Arthritis Compound Library

Publications Citing Use of MedChemExpress (MCE) WIKI4

All PARP Isoforms

All Wnt Isoforms

Biological Activity

Chemical Information

Publications (5)

Solvent & Solubility

Purity & Documentation

References

Help & FAQs

Complete Stock Solution Preparation Table

WIKI4 Related Classifications

HY-16910 Related Classifications