2. Signaling Pathways
  3. GPCR/G Protein
    Neuronal Signaling
  4. Adrenergic Receptor
  5. α adrenergic receptor Isoform
  6. α adrenergic receptor Antagonist

α adrenergic receptor Antagonist

α adrenergic receptor Antagonists (94):

Cat. No. Product Name Effect Purity
  • HY-203894
    Carpipramine
    		Antagonist
    Carpipramine is an antipsychotic agent that belongs to the iminodibenzyl class. Carpipramine is a potent dopamine antagonist which blocks alpha 1- and alpha 2-adrenoceptors. Carpipramine also has antagonist properties with respect to serotonin (5-ΗΤ2) receptors. Carpipramine exhibits antipsychotic and anti-depressant effects. Carpipramine can be used for the research of neurological disease, such as post-traumatic stress disorder (PTSD) and depression.
  • HY-B0193A
    Prazosin hydrochloride
    		Antagonist 99.51%
    Prazosin hydrochloride is a well-tolerated, CNS-active α1-adrenergic receptor antagonist for the research of high blood pressure and alcohol use disorders. Prazosin hydrochloride potently inhibits Norepinephrine (NE)-stimulated 45Ca efflux with an IC50 of 0.15 nM.Prazosin hydrochloride inhibits organic cation transporters OCT-1 and OCT-3 with IC50s of 1.8, and 13 μM, respectively.
  • HY-121383
    Labetalol
    		Antagonist 99.94%
    Labetalol (AH5158) is an orally available, selective α1-adrenergic recepto and non-selective β-adrenergic receptor competitive antagonist. Labetalol is an antihypertensive molecule that partially crosses the blood-brain barrier and has little effect on cardiac output. Labetalol can be used in the study of cardiovascular diseases, such as hypertension during pregnancy.
  • HY-12717
    Phentolamine
    		Antagonist 99.94%
    Phentolamine is a potent, selective and orally active α1 adrenergic and α2 adrenergic receptor antagonist. Phentolamine can be used for the research of erectile dysfunction.
  • HY-12380A
    Atipamezole
    		Antagonist 99.84%
    Atipamezole (MPV 1248) is a potent α2-adrenoceptor antagonist with a Ki of 1.6 nM.
  • HY-B0661
    Tamsulosin
    		Antagonist 99.80%
    Tamsulosin ((R)-(-)-YM12617 free base) is an orally active antagonist of α1-adrenergic receptor. Tamsulosin induces Apoptosis. Tamsulosin is used for the research of prostatic hyperplasia. Tamsulosin attenuates abdominal aortic aneurysm growth and inhibits inflammation in animal models.
  • HY-12380
    Atipamezole hydrochloride
    		Antagonist 99.97%
    Atipamezole (MPV-1248) hydrochloride is a potent α2-adrenoceptor antagonist with a Ki of 1.6 nM.
  • HY-B0371F
    Terazosin hydrochloride
    		Antagonist 99.90%
    Terazosin hydrochloride is a quinazoline derivative and a competitive and orally active α1-adrenoceptor antagonist. Terazosin hydrochloride works by relaxing blood vessels and the opening of the bladder. Terazosin hydrochloride has the potential for benign prostatic hyperplasia (BPH) and high blood pressure treatment.
  • HY-B0352
    Mirtazapine
    		Antagonist 99.94%
    Mirtazapine (Org3770) is a potent and orally active noradrenergic and specific serotonergic antidepressant (NaSSA) agent. Mirtazapine is also a 5-HT2, 5-HT3, histamine H1 receptor and α2-adrenoceptor antagonist with pKi values of 8.05, 8.1, 9.3 and 6.95, respectively.
  • HY-A0019
    Paliperidone
    		Antagonist 99.43%
    Paliperidone (9-Hydroxyrisperidone), the major active metabolite of Risperidone, is a dopamine D2 antagonist and 5-HT2A antagonist. Paliperidone is also active as an antagonist at α1 and α2 adrenergic receptors and H1-histaminergic receptors. Paliperidone, a antipsychotic agent, shows efficacy against schizophrenia.
  • HY-13575
    Blonanserin
    		Antagonist 99.62%
    Blonanserin (AD-5423) is a potent and orally active 5-HT2A (Ki=0.812 nM) and dopamine D2 receptor (Ki =0.142 nM) antagonist. Blonanserin is usually acts as an atypical antipsychotic agent and can be used for the research of extrapyramidal symptoms, excessive sedation, or hypotension.
  • HY-B0362A
    Phentolamine mesylate
    		Antagonist 99.90%
    Phentolamine mesylate (Phentolamine methanesulfonate) is a reversible, non-selective, and orally active blocker of α1 and α2 adrenergic receptor that expands blood vessels to reduce peripheral vascular resistance. Phentolamine mesylate can be used for the research of pheochromocytoma-related hypertension, heart failure and erectile dysfunction.
  • HY-B0098A
    Doxazosin mesylate
    		Antagonist 98.49%
    Doxazosin mesylate (UK 33274 mesylate) is a quinazoline-derivative that selectively antagonizes postsynaptic α1-adrenergic receptors.
  • HY-14689
    Ecopipam hydrochloride
    		Antagonist 99.46%
    Ecopipam (SCH 39166) hydrochloride is a potent, selective and orally active antagonist of dopamine D1/D5 receptor, with Kis of 1.2 nM and 2.0 nM, respectively. Ecopipam hydrochloride shows more than 40-flod selectivity over D2, D4, 5-HT, and α2a receptor (Ki=0.98, 5.52, 0.08, and 0.73 μM, respectively). Ecopipam hydrochloride can be used for the research of schizophrenia and obesity.
  • HY-B1396
    Nefazodone hydrochloride
    		Antagonist 99.94%
    Nefazodone hydrochloride (BMY-13754) is a potent and selective 5HT2A (Ki=5.8 nM) antagonist with moderate inhibition of 5-HT and noradrenaline uptake (IC50 of 290 and 300 nM, respectively). Nefazodone hydrochloride is a phenylpiperazine antidepressant with less alpha-adrenergic blocking activity.
  • HY-12707
    Piribedil
    		Antagonist 99.92%
    Piribedil is a potent and orally active dopamine D2 and dopamine D3 agonist. Piribedil is also a α2-adrenoceptors antagonist. Piribedil can inhibit MLL1 methyltransferase activity (EC50: 0.18 μM). Piribedil has the potential for the research of parkinson's disease, circulatory disorders, cancers.
  • HY-B0661A
    Tamsulosin hydrochloride
    		Antagonist 99.81%
    Tamsulosin hydrochloride ((R)-(-)-YM12617 free base) is an orally active antagonist of α1-adrenergic receptor. Tamsulosin hydrochloride induces Apoptosis. Tamsulosin hydrochloride is used for the research of prostatic hyperplasia. Tamsulosin hydrochloride attenuates abdominal aortic aneurysm growth and inhibits inflammation in animal models.
  • HY-103213
    JP1302 dihydrochloride
    		Antagonist 99.94%
    JP1302 dihydrochloride is a potent, selective, high affinity antagonist of the α2C-adrenoceptor, with a Kb of 16 nM and a Ki of 28 nM for the human α2C-receptor. JP1302 dihydrochloride shows antidepressant and antipsychotic-like effects. JP1302 dihydrochloride can be used for neuropsychiatric disorders and renal dysfunction research.
  • HY-100554
    BMY 7378
    		Antagonist 99.92%
    BMY 7378 is a selective antagonist of α1D-adrenoceptor (α1D-AR). BMY 7378 binds to membranes expressing the cloned rat α1D-AR with a >100-fold higher affinity (Ki=2 nM) than binding to either the cloned rat α1A-AR (Ki=800 nM) or the hamster α1B-AR (Ki=600 nM). BMY 7378 is a 5-HT1A receptor partial agonist.
  • HY-B0391
    Naftopidil
    		Antagonist 98.14%
    Naftopidil (KT-611) is is a selective alpha1-adrenoceptor antagonist, with Kis of 3.7 nM, 20 nM and 1.2 nM for the cloned human α1a-, α1b- and α1d-adrenoceptor subtypes, respectively. Naftopidil has antiproliferative effects. Naftopidil can be used for the research of prostate hyperplasia.