1. Signaling Pathways
  2. GPCR/G Protein
    Neuronal Signaling
  3. 5-HT Receptor

5-HT Receptor

Serotonin Receptor; 5-hydroxytryptamine Receptor

5-HT receptors (Serotonin receptors) are a group of G protein-coupled receptors (GPCRs) and ligand-gated ion channels (LGICs) found in the central and peripheral nervous systems. Type: 5-HT1, 5-HT2, 5-HT3, 5-HT4, 5-HT5, 5-HT6, 5-HT7. They mediate both excitatory and inhibitory neurotransmission. The serotonin receptors are activated by the neurotransmitter serotonin, which acts as their natural ligand. The serotonin receptors modulate the release of many neurotransmitters, as well as many hormones. The serotonin receptors influence various biological and neurological processes such as aggression, anxiety, appetite, cognition, learning, memory, mood, nausea, sleep, andthermoregulation. The serotonin receptors are the target of a variety of pharmaceutical drugs, including many antidepressants, antipsychotics, anorectics,antiemetics, gastroprokinetic agents, antimigraine agents, hallucinogens, and entactogens.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-B1213
    Trimipramine maleate
    Antagonist 99.88%
    Trimipramine maleate is a 5-HT receptor antagonist, with blood-brain barrier permeability. Trimipramine maleate has pKi binding values of 6.39, 8.10, 4.66 for 5-HT1C, 5-HT2 and 5-HT1A, respectively. Trimipramine maleate is also a potent and selective inhibitor targeting human noradrenaline (hNAT), serotonin (hSERT) and organic cation transporters (hOCT1, hOCT2) with IC50 values of 4.99 μM, 2.11 μM, 3.72 μM, 8.00 μM, respectively. Trimipramine maleate has vascular activity and anxiolytic efficacy.
    Trimipramine maleate
  • HY-111455
    LP-211
    Agonist 99.87%
    LP-211 is a selective and blood brain barrier penetrant 5-HT7 receptor agonist, with a Ki of 0.58 nM, with high selectivity over 5-HT1A receptor (Ki, 188 nM) and D2 receptor (Ki, 142 nM).
    LP-211
  • HY-B0965A
    Thioridazine
    Antagonist 99.50%
    Thioridazine, an antagonist of the dopamine receptor D2 family proteins, exhibits potent anti-psychotic and anti-anxiety activities. Thioridazine is also a potent inhibitor of PI3K-Akt-mTOR signaling pathways with anti-angiogenic effect. Thioridazine shows antiproliferative and apoptosis induction effects in various types of cancer cells, with specificity on targeting cancer stem cells (CSCs).
    Thioridazine
  • HY-123630
    Allura Red AC
    Activator 99.00%
    Allura Red AC is a food colorant, appearing as a deep red water-soluble powder or granules, used in various applications such as beverages, syrups, candies, and cereals. Allura Red AC can statically quench the intrinsic fluorescence of HSA. Additionally, Allura Red AC is a 5-hydroxytryptamine (5-HT) pathway-associated pro-inflammatory agent, capable of exacerbating experimental colitis. Allura Red AC holds potential for research in inflammatory bowel disease (IBD), intestinal barrier function, and food additive safety.
    Allura Red AC
  • HY-100554
    BMY 7378
    Agonist 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.
    BMY 7378
  • HY-108324
    (Z)-Thiothixene
    Antagonist 99.84%
    (Z)-Thiothixene is an antagonist of serotonergic receptor extracted from patent US 20150141345 A1.
    (Z)-Thiothixene
  • HY-102064
    SR 57227A
    Agonist 99.86%
    SR 57227A is a potent, orally active and selective 5-HT3 receptor agonist, with ability to cross the blood brain barrier. SR 57227A has affinities (IC50) varying between 2.8 and 250 nM for 5-HT3 receptor binding sites in rat cortical membranes and on whole NG 108-15 cells or their membranes. Anti-depressant effects.
    SR 57227A
  • HY-17390
    Loxapine
    Antagonist 99.93%
    Loxapine is an orally active dopamine inhibitor, 5-HT receptor antagonist and also a dibenzoxazepine anti-psychotic agent.
    Loxapine
  • HY-15370
    SB-269970
    Antagonist 98.78%
    SB-269970 is a potent, selective and brain-penetrant 5-HT7 receptor antagonist with a pKi of 8.3. SB-269970 exhibits >50-fold selectivity against other 5-HT receptors.
    SB-269970
  • HY-B1622
    Cyproheptadine
    Antagonist 99.92%
    Cyproheptadine is a potent and orally active 5-HT2A receptor antagonist, with antidepressant and antiserotonergic effects. Cyproheptadine has antiplatelet and thromboprotective activities. Cyproheptadine can be used for the research of thromboembolic disorders.
    Cyproheptadine
  • HY-B0031
    Quetiapine hemifumarate
    Agonist 99.96%
    Quetiapine hemifumarate is a 5-HT receptors agonist with a pEC50 of 4.77 for human 5-HT1A receptor. Quetiapine hemifumarate is a dopamine receptor antagonist with a pIC50 of 6.33 for human D2 receptor. Quetiapine hemifumarate has moderate to high affinity for the human D2, HT1A, 5-HT2A, 5-HT2C receptor with pKis of 7.25, 5.74, 7.54, 5.55. Antidepressant and anxiolytic effects.
    Quetiapine hemifumarate
  • HY-101341
    RS 67333 hydrochloride
    Agonist 99.68%
    RS 67333 hydrochloride is a potent and selective 5-HT4 receptor (5-HT4R) partial agonist with a pKi of 8.7 in guinea-pig striatum. RS 67333 hydrochloride exhibits lower affinities at several other receptors including 5-HT1A, 5-HT1D, 5-HT2A, 5-HT2C, dopamine D1, D2 and muscarinic M1-M3 receptors. RS 67333 hydrochloride has neuroprotective effects, and can be used for Alzheimer's disease research.
    RS 67333 hydrochloride
  • HY-A0021
    Palonosetron hydrochloride
    Antagonist 99.94%
    Palonosetron hydrochloride is a 5-HT3 antagonist primarily used to prevent acute, delayed, and overall chemotherapy-induced nausea and vomiting. In addition, Palonosetron hydrochloride exhibits moderate anti-flavivirus activity and potent anti-Zika virus activity in mammalian cells. Palonosetron hydrochloride also possesses antidepressant activity.
    Palonosetron hydrochloride
  • HY-B1517A
    Alprenolol hydrochloride
    Antagonist 99.63%
    Alprenolol ((RS)-Alprenolol; dl-Alprenolol) hydrochloride is an orally active non-selective β-adrenoceptor antagonist and an antagonist of 5-HT1A and 5-HT1B receptors. Alprenolol hydrochloride is used as an anti-hypertensive, anti-anginal and anti-arrhythmic agent.
    Alprenolol hydrochloride
  • HY-B0366A
    Cyproheptadine hydrochloride
    Antagonist 99.31%
    Cyproheptadine hydrochloride is a potent and orally active 5-HT2A receptor antagonist, with antidepressant and antiserotonergic effects. Cyproheptadine hydrochloride has antiplatelet and thromboprotective activities. Cyproheptadine hydrochloride can be used for the research of thromboembolic disorders.
    Cyproheptadine hydrochloride
  • HY-100938
    m-CPBG hydrochloride
    Agonist 99.85%
    m-CPBG (1-(3-Chlorophenyl)biguanide) hydrochloride is a selective 5-HT3 agonist. m-CPBG hydrochloride can be used for the research of neurological disease.
    m-CPBG hydrochloride
  • HY-16688
    RU 24969
    Agonist 99.77%
    RU 24969 is a preferential 5-HT1B agonist, with a Ki of 0.38 nM, but also displays appreciable affinity for the 5-HT1A receptor (Ki=2.5 nM), and has low affinity for other receptor sites in the brain. RU 24969 could decrease fluid consumption and increase forward locomotion.
    RU 24969
  • HY-103430A
    SKF-83566
    Antagonist 99.86%
    SKF-83566 is a potent, blood-brain permeable and orally active D1-like dopamine receptor (D1DR) antagonist and a weaker competitive antagonist at the vascular 5-HT2 receptor (Ki=11 nM). SKF-83566 is a competitive DAT (dopamine transporter) inhibitor with an IC50 of 5.7 μM. SKF-83566 also shows selective inhibition for adenylyl cyclase 2 (AC2) over AC1 and AC5 in the isolated rabbit thoracic aorta. SKF-83566 can be used for research of parkinson’s disease and nicotine craving alleviation.
    SKF-83566
  • HY-14557A
    Pimavanserin hemitartrate
    Inhibitor 99.91%
    Pimavanserin (ACP-103) hemitartrate is a potent and brain-penetrant5-HT 2A receptor inverse agonist with pIC50 and pKi of 8.73 and 9.3, respectively.
    Pimavanserin hemitartrate
  • HY-12694
    Prucalopride succinate
    Agonist 99.94%
    Prucalopride succinate is an orally active, selective and specific 5-HT 4 receptor agonist (high affinity), with pKis of 8.6 and 8.1 for human 5-HT4a/4b receptors, respectively. Prucalopride succinate improves intestinal motility by promoting regeneration of the intestinal nervous system in rats. Prucalopride succinate also shows anticancer activity by blocking of the PI3K/AKT/mTor signaling pathway. Prucalopride succinate can be used in studies of chronic constipation, pseudo-intestinal obstruction and cancer.
    Prucalopride succinate
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