1. Signaling Pathways
  2. GPCR/G Protein
    Neuronal Signaling
  3. 5-HT Receptor
  4. 5-HT3 Receptor Isoform
  5. 5-HT3 Receptor Antagonist

5-HT3 Receptor Antagonist

5-HT3 Receptor Antagonists (60):

Cat. No. Product Name Effect Purity
  • HY-14541
    Olanzapine
    Antagonist 99.83%
    Olanzapine (LY170053) is a selective, orally active monoaminergic antagonist with high affinity binding to serotonin H1, 5HT2A/2C, 5HT3, 5HT6 (Ki=7, 4, 11, 57, and 5 nM, respectively), dopamine D1-4 (Ki=11 to 31 nM), muscarinic M1-5 (Ki=1.9-25 nM), and adrenergic α1 receptor (Ki=19 nM). Olanzapine is an atypical antipsychotic.
  • HY-B0002B
    Ondansetron
    Antagonist 99.37%
    Ondansetron (GR 38032; SN 307) is a highly selective 5-HT3 receptor antagonist, with IC50 value of 103 pM. Ondansetron exerts antiemetic effects by antagonizing 5-HT receptor located on local neurons in the peripheral and central nervous system. Ondansetron suppresses nausea and vomiting caused by chemotherapy and radiation therapy. Ondansetron has orally bioactivity.
  • HY-14564A
    GTS-21 dihydrochloride
    Antagonist 99.92%
    GTS-21 dihydrochloride is a selective alpha7 nicotinic acetylcholine receptor (α7-nAChR) agonist with anti‑inflammatory and cognition‑enhancing activities. GTS-21 dihydrochloride is also a α4β2 (Ki=20 nM for humanα4β2) and 5-HT3A receptor (IC50=3.1 μM) antagonist.
  • HY-17382
    Metoclopramide
    Antagonist 99.94%
    Metoclopramide is a potent antagonist of 5-HT3 and dopamine D2 receptor, with IC50s of 308 nM and 483 nM, respectively. Metoclopramide can be used for the research of nausea and vomiting, gastro-oesophageal reflux, and gastroparesis.
  • HY-17382A
    Metoclopramide hydrochloride hydrate
    Antagonist 99.96%
    Metoclopramide hydrochloride hydrate is a potent antagonist of 5-HT3 and dopamine D2 receptor, with IC50s of 308 nM and 483 nM, respectively. Metoclopramide hydrochloride hydrate can be used for the research of nausea and vomiting, gastro-oesophageal reflux, and gastroparesis.
  • HY-17382B
    Metoclopramide hydrochloride
    Antagonist
    Metoclopramide hydrochloride is a potent and orally active antagonist of 5-HT3 and dopamine D2 receptor, with IC50s of 308 nM and 483 nM, respectively. Metoclopramide hydrochloride can be used for the research of nausea and vomiting, gastro-oesophageal reflux, and gastroparesis.
  • HY-70050C
    Alosetron Hydrochloride
    Antagonist 99.76%
    Alosetron Hydrochloride (GR 68755C) is a potent and highly selective serotonin 5-HT3 receptor antagonist. Alosetron Hydrochloride is used for the research of irritable bowel syndrome (IBS). Alosetron blocks the fast 5HT3-mediated depolarisation of guinea-pig myenteric and submucosal neurons, with IC50 at ~55 nM. Alosetron Hydrochloride attenuates the visceral nociceptive effect of rectal distension in conscious or anaesthetised dogs. Anti-inflammatory effects.
  • HY-103152
    GR 113808
    Antagonist 99.96%
    GR 113808 is a potent and highly selective 5-HT4 receptor antagonist (pKb= 8.8). GR 113808 shows 300-fold selectivity over 5-HT1A, 5-HT1B, 5-HT2A, 5-HT2C and 5-HT3 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-15419
    RS-127445 hydrochloride
    Antagonist 99.78%
    RS-127445 hydrochloride is a selective, high affinity, orally bioavailable 5-HT2B receptor antagonist with a pKi of 9.5. RS-127445 hydrochloride shows 1000 fold selectivity for this receptor as compared to numerous other receptor and ion channel binding sites.
  • HY-A0021
    Palonosetron hydrochloride
    Antagonist 99.96%
    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.
  • HY-32329A
    Setiptiline maleate
    Antagonist 99.94%
    Setiptiline maleate (MO-8282 maleate) is a serotonin receptor antagonist. Setiptiline maleate is a tetracyclic antidepressant (TeCA) which acts as a noradrenergic and specific serotonergic antidepressant (NaSSA). Setiptiline maleate acts as a norepinephrine reuptake inhibitor, α2-adrenergic receptor antagonist, and serotonin receptor antagonist, likely at the 5-HT2A, 5-HT2C, and/or 5-HT3 subtypes, as well as an H1 receptor inverse agonist/antihistamine.
  • HY-B0002A
    Ondansetron hydrochloride dihydrate
    Antagonist 99.94%
    Ondansetron (GR 38032) hydrochloride dehydrate is an orally active, highly selective and competitive 5-HT3 receptor antagonist (crosses the blood-brain barrier). Ondansetron hydrochloride dehydrate can be used in studies of preventing nausea and vomiting associated with cancer chemotherapy, radiation therapy and surgery.
  • HY-B0071A
    Granisetron Hydrochloride
    Antagonist 99.87%
    Granisetron (Hydrochloride) (BRL 43694A) is a serotonin 5-HT3 receptor antagonist used as an antiemetic to treat nausea and vomiting following chemotherapy.
  • HY-B0071
    Granisetron
    Antagonist 99.95%
    Granisetron (BRL 43694) is a serotonin 5-HT3 receptor antagonist used as an antiemetic to treat nausea and vomiting following chemotherapy.
  • HY-A0008
    Talipexole dihydrochloride
    Antagonist 99.80%
    Talipexole dihydrochloride (B-HT 920 dihydrochloride) is a dopamine D2 receptor agonist, α2-adrenoceptor agonist and 5-HT3 receptor antagonist, which displays antiParkinsonian activity.
  • HY-B0750
    Dolasetron
    Antagonist ≥98.0%
    Dolasetron(MDL-73147) is a serotonin 5-HT3 receptor antagonist used to treat nausea and vomiting following chemotherapy.
  • HY-B0072
    Tropisetron
    Antagonist 98.72%
    Tropisetron (SDZ-ICS-930 free base) is a selective 5-HT3 receptor antagonist (IC50: 70.1 nM) and α7-nicotinic receptor agonist.
  • HY-B0020
    Tropisetron Hydrochloride
    Antagonist 99.97%
    Tropisetron Hydrochloride (SDZ-ICS-930) is an effective neuroprotective agent that acts as a 5-HT3 receptor antagonist, a calmodulin inhibitor, and an α7-nAChRreceptor agonist, with an IC50 of 70.1 nM for the 5-HT3 receptor. Tropisetron Hydrochloride has anti-inflammatory properties and immune-regulating functions, effectively alleviating symptoms associated with chemotherapy and post-surgery. Tropisetron Hydrochloride reduces Ab (HY-P4867)-induced hippocampal neuroinflammation.
  • HY-B0595
    Ramosetron Hydrochloride
    Antagonist 99.96%
    Ramosetron (YM060 free base) Hydrochloride is an orally active 5-HT3 antagonist that improves dysphoria, interference with activity and food avoidance. Ramosetron Hydrochloride is promising for research of irritable bowel syndrome with diarrhea.