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 (66):

Cat. No. Product Name Effect Purity
  • HY-162677
    MT-1207
    		Antagonist 99.96%
    MT-1207 is an orally active and selective adrenergic α1 and 5-HT2A receptor antagonist. MT-1207 shows IC50<0.1 nM, 0.15 nM, 1.40 nM and 0.27 nM for α1A, α1B, α1D and 5-HT2A, respectively. MT-1207 achieves an effective blood pressure (BP) reduction in the 2K2C rat model without damaging renal function. MT-1207 is a potent multitarget inhibitor with the potential for vasodilatation research.
  • HY-106444
    Fipamezole
    		Antagonist
    Fipamezole (MPV 1730; JP-1730) is a potent and orally active α2-adrenergic receptor antagonist with Ki values of 9.2 nM, 17 nM, and 55 nM for human α2A, α2B, and α2C, receptors, respectively. Fipamezole is an anti-dyskinetic agent, and can be used for the study of Parkinson's disease.
  • HY-B0193A
    Prazosin hydrochloride
    		Antagonist 99.86%
    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 99.88%
    Labetalol (AH5158) is an orally active selective α1- and non-selective β-adrenergic receptors competitive antagonist. Labetalol, an anti-hypertensive agent, can be used for the research of cardiovascular disease, such as hypertension in pregnancy.
  • HY-12380A
    Atipamezole
    		Antagonist 99.74%
    Atipamezole (MPV 1248) is a potent α2-adrenoceptor antagonist with a Ki of 1.6 nM.
  • HY-B0661
    Tamsulosin
    		Antagonist 99.77%
    Tamsulosin ((R)-(-)-YM12617 free base) is an inhibitor of α1-adrenergic receptor. Tamsulosin is used for the research of prostatic hyperplasia. Tamsulosin attenuates abdominal aortic aneurysm growth in animal models.
  • HY-A0019
    Paliperidone
    		Antagonist 99.69%
    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-B0098A
    Doxazosin mesylate
    		Antagonist 98.34%
    Doxazosin mesylate (UK 33274) is a quinazoline-derivative that selectively antagonizes postsynaptic α1-adrenergic receptors.
  • 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-B0362A
    Phentolamine mesylate
    		Antagonist 99.87%
    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-B0371A
    Terazosin hydrochloride dihydrate
    		Antagonist 99.93%
    Terazosin hydrochloride dihydrate is a quinazoline derivative and a competitive and orally active α1-adrenoceptor antagonist. Terazosin hydrochloride dihydrate works by relaxing blood vessels and the opening of the bladder. Terazosin hydrochloride dihydrate has the potential for benign prostatic hyperplasia (BPH) and high blood pressure treatment.
  • HY-12707
    Piribedil
    		Antagonist 99.33%
    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-B1396
    Nefazodone hydrochloride
    		Antagonist 99.87%
    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-B0391
    Naftopidil
    		Antagonist 98.47%
    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.
  • HY-B0371F
    Terazosin hydrochloride
    		Antagonist 99.72%
    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-12380
    Atipamezole hydrochloride
    		Antagonist 99.97%
    Atipamezole (MPV-1248) hydrochloride is a potent α2-adrenoceptor antagonist with a Ki of 1.6 nM.
  • 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-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-14561A
    Idazoxan hydrochloride
    		Antagonist 99.32%
    Idazoxan hydrochloride (RX 781094 hydrochloride) is an α2-adrenoceptor antagonist and is also a imidazoline receptors (IRs) antagonist competitively antagonized the centrally induced hypotensive effect of imidazoline-like agents (IMs). Idazoxan hydrochloride also improves motor symptoms in Parkinson’s disease, L-DOPA-induced dyskinesias, and experimental Parkinsonism.
  • HY-103213
    JP1302 dihydrochloride
    		Antagonist 99.62%
    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.