1. Signaling Pathways
  2. Metabolic Enzyme/Protease
  3. Phosphodiesterase (PDE)
  4. PDE3 Isoform
  5. PDE3 Inhibitor

PDE3 Inhibitor

PDE3 Inhibitors (37):

Cat. No. Product Name Effect Purity
  • HY-12318
    IBMX
    Inhibitor 99.99%
    IBMX is a broad-spectrum phosphodiesterase (PDE) inhibitor, with IC50s of 6.5, 26.3 and 31.7 μM for PDE3, PDE4 and PDE5, respectively.
  • HY-B0809
    Theophylline
    Inhibitor 99.89%
    Theophylline (1,3-Dimethylxanthine) is a potent phosphodiesterase (PDE) inhibitor, adenosine receptor antagonist, and histone deacetylase (HDAC) activator. Theophylline (1,3-Dimethylxanthine) inhibits PDE3 activity to relax airway smooth muscle. Theophylline (1,3-Dimethylxanthine) has anti-inflammatory activity by increase IL-10 and inhibit NF-κB into the nucleus. Theophylline (1,3-Dimethylxanthine) induces apoptosis. Theophylline (1,3-Dimethylxanthine) can be used for asthma and chronic obstructive pulmonary disease (COPD) research.
  • HY-14252
    Milrinone
    Inhibitor 99.87%
    Milrinone is a PDE3 inhibitor, and also an inotrope and vasodilator.
  • HY-101312
    Cilostamide
    Inhibitor 99.64%
    Cilostamide is a selective and potent PDE3 inhibitor, with IC50s of 27 nM and 50 nM for PDE3A and PDE3B, respectively, and has antithrombotic and anti-intimal hyperplastic activity.
  • HY-W028690
    DNMDP
    Inhibitor 98.95%
    DNMDP, a phosphodiesterase 3A (PDE3A) inhibitor, is a potent and selective cancer cell cytotoxic agent. DNMDP binding to PDE3A promotes an interaction between PDE3A and Schlafen 12 (SLFN12). DNMDP shows clear cell-selective cytotoxicity.
  • HY-B0809R
    Theophylline (Standard)
    Inhibitor
    Theophylline (Standard) is the analytical standard of Theophylline. This product is intended for research and analytical applications. Theophylline (1,3-Dimethylxanthine) is a potent phosphodiesterase (PDE) inhibitor, adenosine receptor antagonist, and histone deacetylase (HDAC) activator. Theophylline (1,3-Dimethylxanthine) inhibits PDE3 activity to relax airway smooth muscle. Theophylline (1,3-Dimethylxanthine) has anti-inflammatory activity by increase IL-10 and inhibit NF-κB into the nucleus. Theophylline (1,3-Dimethylxanthine) induces apoptosis. Theophylline (1,3-Dimethylxanthine) can be used for asthma and chronic obstructive pulmonary disease (COPD) research.
  • HY-106474
    Meribendan
    Inhibitor
    Meribendan is a phosphodiesterase (PDE)-III inhibitor.
  • HY-106045A
    Imazodan hydrochloride
    Inhibitor
    Imazodan hydrochloride is the hydrochloride form of Imazodan (HY-106045). Imazodan hydrochloride is a selective inhibitor for phosphodiesterase III (PDE III), which increases myocardial contractility by blocking the cAMP degradation, and improves the contractile function of heart. Imazodan hydrochloride serves also as a peripheral vasodilator.
  • HY-15485
    Zardaverine
    Inhibitor 98.73%
    Zardaverine is an orally active and selective PDE3/4 inhibitor (IC50)=0.58 uM/0.17 uM) with potent bronchodilator activity. Zardaverine also selectively inhibits the proliferation of HCC cells and induces apoptosis and cycle arrest (G0/G1 phase). Zardaverine has good antitumor potential and is effective in both bronchial relaxation and reduction of inflammation in asthma.
  • HY-145924
    BAY 2666605
    Inhibitor 99.64%
    BAY 2666605 is an orally active PDE3A and PDE3B inhibitor with IC50s of 87 nM and 50 nM, respectively. BAY 2666605 is a PDE3A-SLFN12 complex inducer (WO2019025562A1; example 135).
  • HY-B0442
    Vardenafil
    Inhibitor 99.58%
    Vardenafil is a selective and orally active inhibitor of phosphodiesterase-5 (PDE5), with an IC50 of 0.7 nM. Vardenafil shows inhibitory towards PDE1, PDE6 with IC50s of 180 nM, and 11 nM, while IC50s are >1000 nM for PDE3 and PDE4. Vardenafil competitively inhibits cyclic guanosine monophosphate (cGMP) hydrolysis and thus increases cGMP levels. Vardenafil can be used for the research of erectile dysfunction, hepatitis, diabetes[1]-[6].
  • HY-119708
    Ensifentrine
    Inhibitor 99.78%
    Ensifentrine (RPL-554) is an inhaled first-in-class dual inhibitor of phosphodiesterase 3 (PDE3) and PDE4 with IC50s of 0.4 nM and 1479 nM, respectively. Ensifentrine has bronchoprotective and anti-inflammatory activities. Ensifentrine can be used for chronic obstructive pulmonary disease (COPD) research.
  • HY-B0442A
    Vardenafil hydrochloride
    Inhibitor 99.48%
    Vardenafil hydrochloride is a selective and orally active inhibitor of phosphodiesterase-5 (PDE5), with an IC50 of 0.7 nM. Vardenafil hydrochloride shows inhibitory towards PDE1, PDE6 with IC50s of 180 nM, and 11 nM, while IC50s are >1000 nM for PDE3 and PDE4. Vardenafil hydrochloride competitively inhibits cyclic guanosine monophosphate (cGMP) hydrolysis and thus increases cGMP levels. Vardenafil hydrochloride can be used for the research of erectile dysfunction, hepatitis, diabetes[1]-[6].
  • HY-135746
    OR-1896
    Inhibitor 99.03%
    OR-1896 is an active long-lived metabolite of Levosimendan. OR-1896 is a highly selective phosphodiesterase (PDE) III isoform inhibitor and a powerful vasodilator. OR-1896 can open ATP-sensitive K+ channels and has Ca2+-sensitizing effect. OR-1896 mitigates cardiomyocyte apoptosis, cardiac remodeling and myocardial inflammation.
  • HY-12887
    Piclamilast
    Inhibitor 99.63%
    Piclamilast (RP 73401) is a phosphodiesterase 4 (PDE4) inhibitor, with IC50 values of 16 nM and 2 nM in pig aorta and eosinophil soluble, respectively.
  • HY-B1639
    Enoximone
    Inhibitor 98.07%
    Enoximone is an inotropic vasodilating agent and a selective and orally active phosphodiesterase III (PDE3) inhibitor with an IC50 of 5.9 μM. Enoximone induces vasodilatation and increases intracellular levels of cAMP by inhibiting cGMP-inhibited PDE. Enoximone also exhibits PDE4 inhibitory effect with an IC50 of 21.1 μM for myocardial PDE4A. Enoximone has the potential for congestive heart failure research and has bronchodilatory, antiasthma and anti-inflammatory effects.
  • HY-A0027
    Fenspiride hydrochloride
    Inhibitor 99.11%
    Fenspiride, an orally active non-steroidal antiinflammatory agent, is an antagonist of H1-histamine receptor. Fenspiride inhibites phosphodiesterase 3 (PDE3), phosphodiesterase 4 (PDE4) and phosphodiesterase 5 (PDE5) activities with -log IC50 values of 3.44, 4.16 and approximately 3.8, respectively. Fenspiride can be used for the research of respiratory diseases.
  • HY-119611A
    Thioquinapiperifil dihydrochloride
    Inhibitor 99.22%
    Thioquinapiperifil dihydrochloride (KF31327), a potent, selective and non-competitive phosphodiesterase-5 (PDE-5, IC50 of 0.074 nM) inhibitor, is used for sexual enhancement study.
  • HY-100530C
    Sp-cAMPS sodium salt
    Inhibitor 98.73%
    Sp-cAMPS sodium salt, a cAMP analog, is potent activator of cAMP-dependent PKA I and PKA II. Sp-cAMPS sodium salt is also a potent, competitive phosphodiesterase (PDE3A) inhibitor with a Ki of 47.6 µM. Sp-cAMPS sodium salt binds the PDE10 GAF domain with an EC50 of 40 μM.
  • HY-114672
    MBCQ
    Inhibitor 99.37%
    MBCQ is a potent and selective cGMP-specific phosphodiesterase (PDE V; PDE5) inhibitor with an IC50 of 19 nM. MBCQ lacks inhibitory activity toward other PDE isozymes (all IC50s>100 μM). MBCQ dilates coronary arteries via specific inhibition of cGMP-PDE.