For research use only.

Catalog No.S7805

5 publications

EPZ011989 Chemical Structure

CAS No. 2095432-26-9

EPZ011989 is a potent, selective, orally bioavailable EZH2 inhibitor with Ki of <3 nM.

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Selleck's EPZ011989 has been cited by 5 publications

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Choose Selective Histone Methyltransferase Inhibitors

Biological Activity

Description EPZ011989 is a potent, selective, orally bioavailable EZH2 inhibitor with Ki of <3 nM.
EZH2 [1]
(Cell-free assay)
EZH1 [1]
(Cell-free assay)
<3 nM(Ki) 103 nM
In vitro

EPZ011989 equipotently inhibits mutant and wild-type EZH2 with an inhibition constant (Ki) of <3 nM. EPZ011989 is also a specific EZH2 inhibitor with a >15-fold selectivity over EZH1 and >3000-fold selectivity relative to the Ki of 20 other histone methyltransferases (HMTs) tested. As evidenced by the human and rat liver microsomal turnover, EPZ011989 also exhibits metabolic stability. EPZ011989 reduces cellular H3K27 methylation in the Y641F, mutant-bearing human lymphoma cell line, WSU-DLCL2, with an IC50 below 100 nM[1]. EPZ011989 inhibits H3K27me3 in wild-type EZH2 AML cell lines (Kasumi-1, MOLM-13, and MV4-11) at a concentration of 0.625 μM after only four days of treatment. At these concentrations and this time point, no change in viability among these three cell lines is observed and only minimal proliferation inhibition in MV4-11 and MOLM-13 cells[2].

In vivo EPZ011989 demonstrates significant tumor growth inhibition in a mouse xenograft model of human B cell lymphoma. EPZ011989 is able to elicit robust methyl mark inhibition and antitumor activity[1].


Cell Research:


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  • Cell lines: WSU-DLCL2 cells
  • Concentrations: 0-10 μM
  • Incubation Time: 0-11 days
  • Method:

    For assessment of cell proliferation and viability, exponentially growing cells are plated, in triplicate, in 96-well plates. Cells are incubated with increasing concentrations of EPZ011989. Viable cell number is determined every 3-4 days for up to 11 days using the Guava Viacount assay.

    (Only for Reference)
Animal Research:


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  • Animal Models: SCID mice
  • Dosages: 250 and 500 mg/kg
  • Administration: p.o.
    (Only for Reference)

Solubility (25°C)

In vitro Ethanol 100 mg/mL (155.69 mM)
DMSO Insoluble
Water 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.

Chemical Information

Molecular Weight 642.27


CAS No. 2095432-26-9
Storage powder
in solvent
Synonyms N/A

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Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

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Histone Methyltransferase Signaling Pathway Map

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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID