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    E3330 (APX-3330)
    E3330 (APX-3330)

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    This product is for research use only, not for human use. We do not sell to patients.
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    InvivoChem Cat #: V1432
    CAS #: 136164-66-4Purity ≥98%

    Description: E3330 (E-3330; E 3330; APX-3330; APX 3330; APX3330) is a potent, orally bioactive and selective APE1 (Ref-1, AP endonuclease 1) inhibitor with potential antitumor activity. 

    References: Blood. 2007 Mar 1;109(5):1917-22; J Pharmacol Exp Ther. 1992 Jul;262(1):145-50.

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    Molecular Weight (MW)378.46 
    CAS No.136164-66-4 
    Storage-20℃ for 3 years in powder form
    -80℃ for 2 years in solvent
    Solubility (In vitro)DMSO: 75 mg/mL (198.2 mM)
    Water: 75 mg/mL (198.2 mM)
    Ethanol:  <1 mg/mL
    Other info

    Chemical Name: (E)-2-((4,5-dimethoxy-2-methyl-3,6-dioxocyclohexa-1,4-dien-1-yl)methylene)undecanoic acid


    InChi Code: InChI=1S/C21H30O6/c1-5-6-7-8-9-10-11-12-15(21(24)25)13-16-14(2)17(22)19(26-3)20(27-4)18(16)23/h13H,5-12H2,1-4H3,(H,24,25)/b15-13+



    E3330; E-3330; E 3330.

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    In Vitro

    In vitro activity: E3330 affects hemangioblast development in vitro via inhibition of Ape1 redox activity. E3330 inhibits the growth of human pancreatic cancer cell line PANC1, XPA1, MIAPACA, BxPC3, and PK9. E3330 also promotes exit of cell cycle in PANC1 cells, inhibits the DNA-Binding activity of HIF-1α and migration of pancreatic cancer cells. In JHH6 cells, E3330 prevents the functional activation of NF-κB via the alteration of APE1 subcellular trafficking and reduces IL-6 and IL-8 expression induced by TNF-α and FAs accumulation through blockage of the redox-mediated activation of NF-κB.

    Cell Assay: PANC1 cells are placed in one well of a 12-well plate and treated with 5 to 30 μM E3330. After a 24, 48, and 72 h of culture, the cells are washed with PBS and stained with trypan blue, and cell viability is examined by counting the live cell numbers.

    In VivoIn mice with endotoxin-mediated hepatitis, E3330 (300 mg/kg, p.o.) attenuates the elevation of plasma tumor necrosis factor activity and protectes mice from liver injury. In Rat model, E3330 (100 mg/kg, p.o.) also protectes rats from severe liver injury induced with endotoxin plus galactosamine.  
    Animal modelMice with endotoxin-mediated hepatitis 
    Formulation & DosageSuspended in 0.5% methylcellulose solution; 300 mg/kg; p.o.

    Blood. 2007 Mar 1;109(5):1917-22; J Pharmacol Exp Ther. 1992 Jul;262(1):145-50. 

    These protocols are for reference only. InvivoChem does not independently validate these methods.


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