1. Anti-infection
  2. HBV

Merimepodib (Synonyms: VI-21497; VX-497; MMP)

Cat. No.: HY-13986 Purity: 98.22%
Handling Instructions

Merimepodib is a noncompetitive and oral inhibitor of inosine monophosphate dehydrogenase (IMPDH) with broad spectrum antiviral activities.

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

Merimepodib Chemical Structure

Merimepodib Chemical Structure

CAS No. : 198821-22-6

Size Price Stock Quantity
10 mM * 1 mL in DMSO USD 462 In-stock
Estimated Time of Arrival: December 31
5 mg USD 420 In-stock
Estimated Time of Arrival: December 31
10 mg USD 600 In-stock
Estimated Time of Arrival: December 31
50 mg USD 1800 In-stock
Estimated Time of Arrival: December 31
100 mg USD 2520 In-stock
Estimated Time of Arrival: December 31
200 mg   Get quote  
500 mg   Get quote  

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    Merimepodib purchased from MCE. Usage Cited in: Antiviral Res. 2018 Jan;149:34-40.

    Reduction in virus production is significantly enhanced in combinations of MMPD and RBV compared with either agent alone, with up to 3 log reduction in virus titer relative to untreated control.
    • Biological Activity

    • Protocol

    • Technical Information

    • Purity & Documentation

    • References


    Merimepodib is a noncompetitive and oral inhibitor of inosine monophosphate dehydrogenase (IMPDH) with broad spectrum antiviral activities.

    In Vitro

    VX-497 has antiproliferative effect on lymphoid and keratinocyte cells. The antiproliferative effect of VX-497 in cells is reversed within 48 h of its removal[1]. VX-497 has intermediate antiviral activity against a second group of viruses, which includes HSV-1, parainfluenza-3 virus, BVDV, VEEV, and dengue virus, with IC50s ranging from 6 to 19 μM. VX-497 is 100-fold more potent, with an IC50 of 380 nM and a corresponding CC50 of 5.2 μM, for a therapeutic index of 14. The antiviral activity of VX-497 in HepG2.2.2.15 cells is reversed threefold by the addition of guanosine[2].

    In Vivo

    Oral administration of VX-497 inhibits the primary IgM antibody response in a dose-dependent manner, with an ED50 value of appr 30-35 mg/kg in mice. Single daily dosing of VX-497 is observed to be as effective as twice-daily dosing in this model of immune activation[1]. GVHD developed in the vehicle-treated allografted F1 mice and treatment with VX-497 improved all manifestations of the disease significantly. The 2.9-fold increase in spleen weight in allografted animals is reduced to a 1.6-fold increase in the VX-497-treated mice. Serum IFN-gamma levels are increased 54-fold in the vehicle group while there is a 7.4-fold increase in VX-497-treated animals[3].

    Clinical Trial
    Solvent & Solubility
    In Vitro: 

    DMSO : ≥ 31 mg/mL (68.51 mM)

    *"≥" means soluble, but saturation unknown.

    Stock Solutions
    Concentration Solvent Mass 1 mg 5 mg 10 mg
    1 mM 2.2101 mL 11.0507 mL 22.1014 mL
    5 mM 0.4420 mL 2.2101 mL 4.4203 mL
    10 mM 0.2210 mL 1.1051 mL 2.2101 mL
    *Please refer to the solubility information to select the appropriate solvent.
    Cell Assay

    The murine fibroblast L929 cell line is cultured in Eagle minimal essential medium supplemented with 10% fetal bovine serum, nonessential amino acids, 50 U of penicillin per mL, 50 μg of streptomycin per mL, and 2 mM l-glutamine. EMCV is infected at 500 PFU/107 L929 cells. Cells are left untreated or are treated with different concentrations of murine IFN-α alone, VX-497 alone, or combinations thereof.

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

    Molecular Weight




    CAS No.



    O=C(O[[email protected]@H]1COCC1)NCC2=CC=CC(NC(NC3=CC=C(C4=CN=CO4)C(OC)=C3)=O)=C2

    Powder -20°C 3 years
      4°C 2 years
    In solvent -80°C 6 months
      -20°C 1 month

    Room temperature in continental US; may vary elsewhere

    Purity: 98.22%

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    Cat. No.: HY-13986