COMT Inhibitor

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 K_i of 44 μM.

Serotonin (5-Hydroxytryptamine) hydrochloride is a monoamine neurotransmitter in the CNS and an endogenous 5-HT receptor agonist, with blood-brain barrier permeability. Serotonin hydrochloride is also a catechol O-methyltransferase (COMT) inhibitor with a K_i of 44 μM.

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.

Tolcapone (Ro 40-7592) is a selective, potent and orally active COMT inhibitor with an IC₅₀of 773 nM. Tolcapone can inhibits α-syn and Aβ₄₂ oligomerization and fibrillogenesis. Tolcapone can cause oxidative stress and induce cancer cells apoptosis and ROS production. Tolcapone can be used for the researches of cancer and neurological disease, such as Parkinson disease and neuroblastoma.

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.

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.

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.

(-)-Gallocatechin gallate is the polyphenol isolated from tea, with cancer-preventive activities.

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 K_i of 44 μM.

Rosmarinic acid (Standard) is the analytical standard of Rosmarinic acid. This product is intended for research and analytical applications. 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.

Ro 41-0960 is a CNS-penetrant, orally active catechol-O-methyl transferase (COMT) inhibitor. Ro 41-0960 reduces dopamine catabolism, increases striatal dopamine and DOPAC levels, decreases striatal HVA levels, induces apoptosis, inhibits proliferation and extracellular matrix formation in uterine fibroid cells. Ro 41-0960 arrests or shrinks uterine fibroid lesions in rats. Ro 41-0960 can be used for the research of Parkinson’s disease, uterine leiomyomas, and breast cancer.

Flopropione is a 5-HT receptor antagonist and also a catechol-o-methyltransferase (COMT) inhibitor. Flopropione also as an antispasmodic agent.

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.

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.

Serotonin (5-Hydroxytryptamine) (Standard) hydrochloride is the analytical standard of Serotonin hydrochloride (HY-B1473). This product is intended for research and analytical applications. 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 K_i of 44 μM.

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.

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).

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.

4-Phenyl-7,8-dihydroxycoumarin is a coumarin derivative and can be used for bronchiectasiss research.

Tolcapone-d₄ (Ro 40-7592-d₄) is the deuterium labeled Tolcapone (HY-17406). Tolcapone (Ro 40-7592) is a selective, potent and orally active COMT inhibitor with an IC₅₀of 773 nM. Tolcapone can inhibits α-syn and Aβ₄₂ oligomerization and fibrillogenesis. Tolcapone can cause oxidative stress and induce cancer cells apoptosis and ROS production. Tolcapone can be used for the researches of cancer and neurological disease, such as Parkinson disease and neuroblastoma.