2. Signaling Pathways
  3. Metabolic Enzyme/Protease
    Neuronal Signaling
  4. COMT
  5. COMT Inhibitor

COMT Inhibitor

COMT Inhibitors (36):

Cat. No. Product Name Effect Purity
  • HY-B1473
    Serotonin hydrochloride
    		Inhibitor 99.97%
    Serotonin (5-Hydroxytryptamine) hydrochloride is a monoamine neurotransmitter in the CNS and an endogenous 5-HT receptor agonist. Serotonin hydrochloride is also a catechol O-methyltransferase (COMT) inhibitor with a Ki of 44 μM.
  • HY-B1473A
    Serotonin
    		Inhibitor 99.86%
    Serotonin is a monoamine neurotransmitter in the CNS and an endogenous 5-HT receptor agonist. Serotonin is also a catechol O-methyltransferase (COMT) inhibitor with a Ki of 44 μM.
  • HY-N0529
    Rosmarinic acid
    		Inhibitor 99.73%
    Rosmarinic acid is a widespread phenolic ester compound in the plants. Rosmarinic acid inhibits MAO-A, MAO-B and COMT enzymes with IC50s of 50.1, 184.6 and 26.7 μM, respectively.
  • HY-17406
    Tolcapone
    		Inhibitor 99.91%
    Tolcapone (Ro 40-7592) is a selective, orally active and powerful mixed (peripheral and central) COMT inhibitor with an IC50 of 773 nM in the liver. Tolcapone is also a potent inhibitor of α-syn and Aβ42 oligomerization and fibrillogenesis. Tolcapone induces oxidative stress leading to apoptosis and inhibition of tumor growth in neuroblastoma.
  • HY-14280
    Entacapone
    		Inhibitor 99.97%
    Entacapone is a potent, reversible, peripherally acting and orally active catechol-O-methyltransferase (COMT) inhibitor. Entacapone inhibits COMT from rat brain, erythrocytes and liver with IC50 values of 10 nM, 20 nM, and 160 nM, respectively. Entacapone is selective for COMT over other catecholamine metabolizing enzymes, including MAO-A, MAO-B, phenolsulphotransferase M (PST-M) and PST-P (IC50s>50 µM). Entacapone can be used for the research of Parkinson's disease. Entacapone serves as a inhibitor of FTO demethylation with an IC50 of 3.5 μM, can be used for the research of metabolic disorders.
  • HY-B1473AS
    Serotonin-d4
    		Inhibitor 99.60%
    Serotonin-d4 is deuterium labeled Serotonin. Serotonin is a monoamine neurotransmitter in the CNS and an endogenous 5-HT receptor agonist. Serotonin is also a catechol O-methyltransferase (COMT) inhibitor with a Ki of 44 μM.
  • HY-N0522
    (-)-Gallocatechin gallate
    		Inhibitor 99.97%
    (-)-Gallocatechin gallate is the polyphenol isolated from tea, with cancer-preventive activities.
  • HY-14896
    Opicapone
    		Inhibitor 99.06%
    Opicapone (BIA 9-1067) is a potent third-generation catechol-O-methyltransferase (COMT) inhibitor for the research of Parkinson's disease and motor fluctuations. Opicapone decreases the ATP content of the cells with an IC50 of 98 μM.
  • HY-100562
    Flopropione
    		Inhibitor 98.57%
    Flopropione is a 5-HT receptor antagonist and also a catechol-o-methyltransferase (COMT) inhibitor. Flopropione also as an antispasmodic agent.
  • HY-106405
    Nebicapone
    		Inhibitor 99.61%
    Nebicapone (BIA 3-202), a reversible catechol-O-methyltransferase (COMT) inhibitor, is mainly metabolized by glucuronidation. Nebicapone is mainly peripherally acting inhibitor that decreases the biotransformation of L-DOPA to 3-O-methyl-DOPA by inhibition of COMT, and it is potential for the treatment of Parkinson's disease.
  • HY-B1473S
    Serotonin-d4 hydrochloride
    		Inhibitor
    Serotonin-d4 (5-Hydroxytryptamine-d4) hydrochloride is the deuterium labeled Serotonin (hydrochloride) (HY-B1473). Serotonin (5-Hydroxytryptamine) hydrochloride is a monoamine neurotransmitter in the CNS and an endogenous 5-HT receptor agonist. Serotonin hydrochloride is also a catechol O-methyltransferase (COMT) inhibitor with a Ki of 44 μM.
  • HY-151388
    hMAO-B/MB-COMT-IN-1
    		Inhibitor 98.04%
    hMAO-B/MB-COMT-IN-1 is a dual MAO-B/MB-COMT inhibitor (IC50s: 2.5 μΜ for hMAO-B, 3.84 μΜ for MB-COMT). hMAO-B/MB-COMT-IN-1 protects cells against oxidative damage. hMAO-B/MB-COMT-IN-1 can be used in the research of neurodegeneration disease, such as Parkinson’s Disease (PD).
  • HY-125339
    Ro 41-0960
    		Inhibitor ≥98.0%
    Ro 41-0960 is a selective catechol-O-methyltransferase(COMT) inhibitor.
  • HY-17406S1
    Tolcapone-d4
    		Inhibitor 99.13%
    Tolcapone-d4 is the deuterium labeled Tolcapone. Tolcapone (Ro 40-7592) is a selective, orally active and powerful mixed (peripheral and central) COMT inhibitor with an IC50 of 773 nM in the liver[1]. Tolcapone is also a potent inhibitor of α-syn and Aβ42 oligomerization and fibrillogenesis[2]. Tolcapone induces oxidative stress leading to apoptosis and inhibition of tumor growth in neuroblastoma[3].
  • HY-14280S
    Entacapone-d10
    		Inhibitor ≥98.0%
    Entacapone-d10 is the deuterium labeled Entacapone. Entacapone is a potent, reversible, peripherally acting and orally active catechol-O-methyltransferase (COMT) inhibitor. Entacapone inhibits COMT from rat brain, erythrocytes and liver with IC50 values of 10 nM, 20 nM, and 160 nM, respectively. Entacapone is selective for COMT over other catecholamine metabolizing enzymes, including MAO-A, MAO-B, phenolsulphotransferase M (PST-M) and PST-P (IC50s>50 µM). Entacapone can be used for the research of Parkinson's disease[1]. Entacapone serves as a inhibitor of FTO demethylation with an IC50 of 3.5 μM, can be used for the research of metabolic disorders[2].
  • HY-121949
    U-0521
    		Inhibitor 98.67%
    U-0521 is the inhibitor of the catechol-O-methyltransferase (COMT). U-0521 has the potential for the research of Parkinson's disease.
  • HY-100959
    3,5-Dinitrocatechol
    		Inhibitor 99.72%
    3,5-Dinitrocatechol (OR-486) is a potent catechol-O-methyltransferase inhibitor, with an IC50 of 12 nM. 3,5-Dinitrocatechol can be used in the preparation of the molybdenum (VI)- 3,5-Dinitrocatechol complex.
  • HY-106842
    Nitecapone
    		Inhibitor 99.53%
    Nitecapone (OR-462) is an orally active and short-acting catechol-O-methyltransferase (COMT) inhibitor with gastroprotective and antioxidant properties. Nitecapone (OR-462) scavenges reactive oxygen and nitric radicals and prevents lipid peroxidation.
  • HY-157719
    S-Adenosylhomocysteine sulfoxide
    		Inhibitor
    S-Adenosylhomocysteine sulfoxide is an inhibitor of catechol-O-methyltransferase (COMT) with an IC50 value of 860 μM. S-Adenosylhomocysteine sulfoxide can be used in the research of methylation reaction modulators.
  • HY-100642S
    3-O-Methyltolcapone-d7
    		Inhibitor ≥99.0%
    3-O-Methyltolcapone-d7 is a deuterium labeled 3-O-Methyltolcapone. 3-O-Methyltolcapone is a metabolite of Tolcapone. Tolcapone is an orally active, reversible, selective and potent COMT inhibitor. Tolcapone crosses the blood-brain barrier, and can be used for treatment of Parkinson's disease[1][2].