IWR-1-endo

Catalog No.S7086 Batch:S708606

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Technical Data

Formula

C25H19N3O3
Molecular Weight 409.44 CAS No. 1127442-82-3
Solubility (25°C)* In vitro DMSO 82 mg/mL (200.27 mM)
Water Insoluble
Ethanol Insoluble
In vivo (Add solvents to the product individually and in order)
Clear solution
5%DMSO 40%PEG300 5%Tween80 50%ddH2O
1.500mg/ml Taking the 1 mL working solution as an example, add 50 μL of 30 mg/ml clarified DMSO stock solution to 400 μL of PEG300, mix evenly to clarify it; add 50 μL of Tween80 to the above system, mix evenly to clarify; then continue to add 500 μL of ddH2O to adjust the volume to 1 mL. The mixed solution should be used immediately for optimal results. 
Homogeneous suspension
CMC-NA
≥5mg/ml Homogeneous suspension for Oral and Intraperitoneal Injection. Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
* Room temperature shipping (Stability testing shows this product can be shipped without any cooling measures.)

Preparing Stock Solutions

Biological Activity

Description IWR-1-endo (endo-IWR 1, IWR-1) is a Wnt pathway inhibitor with IC50 of 180 nM in L-cells expressing Wnt3A, induces Axin2 protein levels and promotes β-catenin phosphorylation by stabilizing Axin-scaffolded destruction complexes.
Targets
Wnt [1]
(L-cells expressing Wnt3A)
180 nM
In vitro

Although both IWR-1 and XAV939 act as reversible Wnt pathway inhibitors and exhibit similar pharmacological effects both in vitro and in vivo, IWR-1 exerts its effect via interaction with Axin, while XAV939 binds TNKS directly. [1]
In vivo

IWR-1 is a β‐catenin inhibitor.[3]

Protocol (from reference)

Cell Assay:

[2]
  • Cell lines

    Pig EpiSCs

  • Concentrations

    2.5 μM

  • Incubation Time

    2 days

  • Method

    For neural induction, the 3i/LAF culture medium was replaced with neural induction medium I (2.5 μM IWR-1-endo, 5 μM SB431542, and 10 ng/mL FGF2 in BM) on day 2 after pgEpiSC passage.

Customer Product Validation

Data from [ , , Diabetes, 2018, 67(4):554-568 ]

Data from [ , , Biochim Biophys Acta Mol Cell Biol Lipids, 2018, 1863(8):834-843 ]

Data from [ , , Am J Cancer Res, 2015, 5(10):3123-3134. ]

Selleck's IWR-1-endo has been cited by 162 publications

Medium from human iPSC-derived primitive macrophages promotes adult cardiomyocyte proliferation and cardiac regeneration [ Nat Commun, 2025, 16(1):3012] PubMed: 40148355
Highly efficient construction of monkey blastoid capsules from aged somatic cells [ Nat Commun, 2025, 16(1):1130] PubMed: 39875393
Intelligent in-cell electrophysiology: Reconstructing intracellular action potentials using a physics-informed deep learning model trained on nanoelectrode array recordings [ Nat Commun, 2025, 16(1):657] PubMed: 39809732
An FDA-approved drug structurally and phenotypically corrects the K210del mutation in genetic cardiomyopathy models [ J Clin Invest, 2025, 135(4)e174081] PubMed: 39959972
Disruption of the β-catenin destruction complex via Ephexin1-Axin1 interaction promotes colorectal cancer proliferation [ Exp Mol Med, 2025, 57(1):151-166] PubMed: 39741188
CircSARS-CV2-N1368 from SARS-CoV-2 impairs endothelial cell function through the upregulation of ATF7 to activate TLR4/NF-κB/ROS signaling [ Acta Pharmacol Sin, 2025, none] PubMed: 40069492
Establishing Bovine Embryonic Stem Cells and Dissecting Their Self-Renewal Mechanisms [ Int J Mol Sci, 2025, 26(8)3536] PubMed: 40331984
Downregulation of PD-L1 expression by Wnt pathway inhibition to enhance PD-1 blockade efficacy in hepatocellular carcinoma [ Biol Direct, 2025, 20(1):49] PubMed: 40211365
Adipose-derived stem cells enhance the tumorigenic potential of pre-malignant breast epithelial cells through paracrine activation of PI3K-AKT pathway [ Breast Cancer, 2025, 10.1007/s12282-025-01686-7] PubMed: 40019720
Human induced pluripotent stem cells derived neutrophils display strong anti-microbial potencies [ Cell Regen, 2025, 14(1):8] PubMed: 40113653

RETURN POLICY
Selleck Chemical’s Unconditional Return Policy ensures a smooth online shopping experience for our customers. If you are in any way unsatisfied with your purchase, you may return any item(s) within 7 days of receiving it. In the event of product quality issues, either protocol related or product related problems, you may return any item(s) within 365 days from the original purchase date. Please follow the instructions below when returning products.

SHIPPING AND STORAGE
Selleck products are transported at room temperature. If you receive the product at room temperature, please rest assured, the Selleck Quality Inspection Department has conducted experiments to verify that the normal temperature placement of one month will not affect the biological activity of powder products. After collecting, please store the product according to the requirements described in the datasheet. Most Selleck products are stable under the recommended conditions.

NOT FOR HUMAN, VETERINARY DIAGNOSTIC OR THERAPEUTIC USE.