α adrenergic receptor Inhibitor

Clozapine (HF 1854) is an antipsychotic used for the research of schizophrenia. Clozapine has high affinity for a number of neuroreceptors. Clozapine is a potent antagonist of dopamine D2 with a K_i of 75 nM. Clozapine inhibits the muscarinic M1 receptor and serotonin 5HT2A receptor with K_is of 9.5 nM and 4 nM, respectively. Clozapine is also a potent and selective agonist at the muscarinic M4 receptor (EC₅₀=11 nM).

Harmane is a benzodiazepine receptor inhibitor (IC₅₀=7 μM), with IC₅₀ values for mACh, Opioid Receptor, MAO-A/B, and α2-adrenergic receptor of 24 μM, 2.8 μM, 0.5 μM, 5 μM, and 18 μM, respectively. Harmane inhibits the I1 imidazoline receptor (IC₅₀ = 30 nM) to reduce blood pressure and has antidepressant, anti-anxiety, anticonvulsant, and analgesic effects. Harmane inhibits dopamine biosynthesis by decreasing tyrosine hydroxylase (TH) activity and enhancing L-DOPA-induced cytotoxicity in PC12 cells. Additionally, Harmane can increase the mutagenic effect induced by 2-acetylaminofluorene (AAF).

Reboxetine mesylate (FCE20124 mesylate) is a potent, selective, and specific noradrenaline reuptake inhibitor (NARI) for the research of depression. Reboxetine mesylate inhibits the uptake of norepinephrine, with a K_i of 8 nM.

Asenapine (Org 5222), an atypical antipsychotic, is an antagonist of serotonin receptors (pK_i: 8.4-10.5), adrenoceptors (pK_i: 8.9-9.5), dopamine receptors (pK_i: 8.9-9.4) and histamine receptors (pK_i: 8.2-9.0). Asenapine can be used in the research of schizophrenia and bipolar disorder.

Ajmalicine (Raubasine) is a potent adrenolytic agent which preferentially blocks α₁-adrenoceptor. Ajmalicine is an reversible but non-competitive nicotine receptor full inhibitor, with an IC₅₀ of 72.3 μM. Ajmalicine also can be used as anti-hypertensive, and serpentine, with sedative activity.

Nicergoline, an ergoline derivative ester of bromonicotinic acid, is a potent, selective and orally active antagonist of α_1A-adrenoceptor. Nicergoline has vasodilator effects. Nicergoline also has ameliorative effects on cognitive function in mouse models of Alzheimer's disease.

Tasipimidine sulfate is an orally active and selective α_2A-adrenoceptor agonist with a pEC₅₀ of 7.57 for human α_2A-adrenoceptors and an EC₅₀ of 5.7 nM for rat α₂-adrenoceptor. Tasipimidine sulfate can be utilized in research related to situational anxiety and fear.

NP10679 is a selective, pH dependent GluN2B subunit-specific N-methyl-D-aspartate (NMDA) receptor inhibitor with high oral bioavailability and good brain penetration. NP10679 inhibits GluN2B with IC₅₀s of 23 and 142 nM at pH 6.9 and 7.6, respectively. NP10679 is a histamine H1 antagonist and a hERG channel inhibitor with IC₅₀s of 73 and 620 nM, respectively. NP10679 is a reversible inhibitor of human liver CYP enzymes.

Clozapine (Standard) is the analytical standard of Clozapine. This product is intended for research and analytical applications. Clozapine (HF 1854) is an antipsychotic used for the research of schizophrenia. Clozapine has high affinity for a number of neuroreceptors. Clozapine is a potent antagonist of dopamine D2 with a K_i of 75 nM. Clozapine inhibits the muscarinic M1 receptor and serotonin 5HT2A receptor with K_is of 9.5 nM and 4 nM, respectively. Clozapine is also a potent and selective agonist at the muscarinic M4 receptor (EC₅₀=11 nM).

BODIPY FL prazosin is a fluorescent α1-adrenergic antagonist with K_i values of 14.5, 43.3 nM for α1a-AR and α1b-AR, respectively. BODIPY FL prazosin also is a fluorescent ligand with the excitation and emission wavelengths are 485 and 535 nm, respectively. BODIPY FL prazosin can be used for study the differences in the subcellular localization of α1-adrenoceptor subtypes.

BMS-466442 is a potent and selective inhibitor of asc-1 (alanine serine cysteine transporter-1), with an IC₅₀ of 11 nM. BMS-466442 inhibits [³H] D-serine uptake into rat brain synaptosomes, with an IC₅₀ of 400 nM. BMS-466442 can be used for schizophrenia research.

AVN-101 hydrochloride is a potent, brain-penetrant and orally active 5-HT7 receptor antagonist (K_i of 153 pM), with slightly lesser potency toward 5-HT6, 5-HT2A, and 5HT-2C receptors (K_i values of 2.04 nM, 1.56  nM, and 1.17  nM, respectively). AVN-101 hydrochloride also exhibits a rather high affinity toward histamine H1 (K_i of 0.58 nM) and adrenergic α2A, α2B, and α2C (K_i= 0.41-3.6 nM) receptors. AVN-101 hydrochloride can be studied in such diseases as general anxiety disorders, depression, schizophrenia, Alzheimer’s disease, and multiple sclerosis.

Clozapine hydrochloride (HF 1854 hydrochloride) is an antipsychotic used for the research of schizophrenia. Clozapine hydrochloride has high affinity for a number of neuroreceptors. Clozapine hydrochloride is a potent antagonist of dopamine D2 with a K_i of 75 nM. Clozapine hydrochloride inhibits the muscarinic M1 receptor and serotonin 5HT2A receptor with K_is of 9.5 nM and 4 nM, respectively. Clozapine hydrochloride is also a potent and selective agonist at the muscarinic M4 receptor (EC₅₀=11 nM).

Harmane hydrochloride is a benzodiazepine receptor inhibitor (IC₅₀=7 μM), with IC₅₀ values for mACh, Opioid Receptor, MAO-A/B, and α2-adrenergic receptor of 24 μM, 2.8 μM, 0.5 μM, 5 μM, and 18 μM, respectively. Harmane hydrochloride inhibits the I1 imidazoline receptor (IC₅₀ = 30 nM) to reduce blood pressure and has antidepressant, anti-anxiety, anticonvulsant, and analgesic effects. Harmane hydrochloride inhibits dopamine biosynthesis by decreasing tyrosine hydroxylase (TH) activity and enhancing L-DOPA-induced cytotoxicity in PC12 cells. Additionally, Harmane hydrochloride can increase the mutagenic effect induced by 2-acetylaminofluorene (AAF).

Sophoramine ((-)-Sophoramine) is a prejunctional α₂-adrenoceptor inhibitor that can be found in the seeds of Sophora alopecuroides. Sophoramine inhibits prejunctional α2-adrenoceptors to facilitate norepinephrine release from adrenergic nerves. Sophoramine shows cytotoxic activity against human cancer cells, positive inotropic activity, and activity in rodent arrhythmia models. Sophoramine can be used for the research of arrhythmias.

Etoperidone, an antidepressant agent, is an orally active serotonin and nor-adrenaline re-uptake antagonist. Etoperidone shows K_d values of 36 nM, 38 nM, 85 nM, and 570 nM for 5-HT2 receptor, α1-adrenergic receptor, 5-HT1A receptor, and α2-adrenergic receptor, respectively.

LY 78335 (DCMB) is a brain-penetrant phenylethanolamine-N-methyltransferase (PNMT) inhibitor with a K_i of 0.09 μM. LY 78335 acts as an α₂-adrenoceptor inhibitor with an IC₅₀ of 10 μM. LY 78335 increases spontaneous locomotor activity in rats. LY 78335 increases extracellular concentration of 3-methoxy-4-hydroxyphenylglycol (MHPG) in rat hypothalamus. LY 78335 prevents growth hormone (GH) secretion in rats. LY 78335 can be used for the research of depression.

Prazobind (SZL 49), a prazosin analog, is an irreversible α1-adrenoceptor antagonist. Prazobind competes for alpha 1-adrenoceptor binding sites with a similar potency (IC₅₀ of 1 nM) in tissues enriched in both the alpha 1A (hippocampus) and alpha 1B (liver) subtypes. Prazobind partially inhibits the contractions of circular muscles, longitudinal muscles and smooth muscles of the spleen. Prazobind can be used for the study of blood pressure.

Amosulalol (YM 09538) is an orally active and dual inhibitor of α1/β1-Adrenergic Receptor. Amosulalol exhibits antihypertensive activity via α1-Adrenergic Receptor inhibition. Amosulalol decreases reflexogenic increases in heart rate and plasma renin activity (PRA) via β1-Adrenergic Receptor inhibition in spontaneously hypertensive rats (SHR).

Benzquinamide (P2647; BZQ; Benzoquinamide) hydrochloride is an orally active binder of dopamine receptors and adrenergic receptors. Benzquinamide hydrochloride specifically targets dopamine D2, D3, D4 receptors and α-2A, α-2B, α-2C adrenergic receptors. Benzquinamide hydrochloride regulates blood pressure and heart rate, attenuates the pressor effect of adrenaline, and exhibits activities such as antiemesis, anxiolysis, and reduction of histamine-induced bronchoconstriction. Benzquinamide hydrochloride has good safety and does not deplete serotonin or norepinephrine in the brain. Benzquinamide hydrochloride can be used in studies related to nausea/vomiting, mental disorders, anxiety states, neurosis, and psychosis.