5-HT3 antagonist 3 (Compound 15b) is a high-affinity 5-HT3 receptor antagonist. It binds to 5-HT3 receptors in rat brain cortical membranes (Ki: 0.25 nM).

5-HT3 antagonist 2 is an antagonist of 5-HT3 receptor.

5-HT3 antagonist 5 is a quinoxalin-2-carboxamide compound which is a 5-HT 3 receptor antagonist. 5-HT3 antagonist 5 exerts antagonism on 5-HT 3 agonist and 2-methyl-5-HT, and exhibits anti-depressant effect in mice [1].

5-HT3-In-1 (compound example 8) exhabits with 5-HT3 inhibition activity.

5-HT3 antagonist 1 is a potent and selective antagonist of 5-HT3 receptor.

MCI-225 is a selective inhibitor of NA reuptake with 5-HT3 receptor antagonism.

RS 42358-197 (RS 25259-007) is a competitive 5-HT3 receptor antagonist.

Pancopride（LAS 30451） is a novel, orally available, long-acting, selective 5-HT3 receptor antagonist that blocks nitrogen mustard and dacarbazine-induced vomiting.

Ricasetron (Brl 46470) is a 5-HT3 receptor antagonist with pro-axonal lysis and antiemetic properties, and is used in the study of anxiety and anxiety disorders.

Ticalopride is a 5-HT3 receptor agonist used in the treatment of digestive disorders, orofacial disorders, otorhinolaryngologic disorders, and may be used in the study of bulimia nervosa, gastroesophageal reflux, and irritable bowel syndrome.

Norcisapride is a 5-hydroxytryptamine receptor 3 (5-HT3) and (5-hydroxytryptamine receptor 4 (5-HT4) dual agonist used for the treatment of gastrointestinal disorders, orofacial disorders, and otorhinolaryngologic disorders.

Ramosetron is a serotonin 5-HT3 receptor antagonist for the treatment of nausea and vomiting. It is believed to have higher potency and longer antiemetic action than other 1st generation 5-HT3 antagonists such as ondansetron. Ramosetron is also indicated for a treatment of diarrhea-predominant irritable bowel syndrome in males . It is only licensed for use in Japan and selected Southeast Asian countries.

ML 10302 hydrochloride is a specific agonist 5-HT4 and binds 5-HT receptors with Kis of 1.07 nM and 782 nM for 5-HT4 and 5-HT3.

Litoxetine is a selective 5-HT uptake inhibitor and is a 5-HT3 receptor antagonist. Litoxetine acts as an antidepressant and has shown antiemetic properties in ferrets. Litoxetine (1 and 10 mg/kg i.v.) dose-dependently reduced the number of regurgitations and vomiting and delayed the onset of vomiting. Litoxetine has an affinity for brain 5HT3 receptors (Ki = 85 nM).

Compound PDK0269, as 5-HT3 receptor agonists(3–100 μM, pEC50 5.05±0.06), acutely increased XII (hypoglossal) burst frequency and regularity, and decreased bursts/episode . Phenylbiguanide produced a dose-related (10-500 microM) increase in the release of dopamine (280-2000%). When nomifensine (5 microM) was included in the Ringer solution, the effect of Compound PDK0269 on the release of dopamine was ameliorated or inhibited.

Cilansetron is an effective and selective 5-HT3 receptor antagonist that can be used for related diseases caused by colitis.

3-AQC is a competitive antagonist of 5-HT3.

4i (CHEMBL1269981) is a 5-HT3 receptor antagonist,It modulates the serotonergic system.

Tedatioxetine hydrobromide (Lu AA 24530 hydrobromide) is a serotonin-norepinephrine-dopamine reuptake inhibitor and an antagonist of 5-HT2A, 5-HT2C, 5-HT3, and α1A-adrenergic receptors, which can be used to treat depression and anxiety.

Anpirtoline hydrochloride (D-16949 hydrochloride) is a novel and potent 5-HT1B receptor agonist and 5-HT3 receptor antagonist with anti-injurious, analgesic, and antidepressant activity, and is used in the study of movement disorders.

ADR-851 free base (ADR 851 free base) is a 5-HT3 receptor antagonist and a novel antiemetic with analgesic activity.

Renzapride (BRL 24924) is a mixed 5-hydroxytryptamine type 4 (5-HT4) agonist and 5-HT3 receptor antagonist.Renzapride can be used in the study of constipation-predominant irritable bowel syndrome (C-IBS).

Sevoflurane (Fluoromethyl), a noncompetitive inhibitor of 5-HT3 receptor, acts as a low-soluble inhalation anesthetics.

SR 57227 hydrochloride(SR 57227A ) is a potent, orally active and selective 5-HT3 receptor agonist. It with ability to cross the blood brain barrier. It 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.

Alosetron, a 5-HT3 antagonist, is used for the management of severe diarrhea-predominant irritable bowel syndrome (IBS) in women only.

Metoclopramide hydrochloride (Metoclopramide HCl) is a selective dopamine D2 receptor antagonist, used as an antiemetic.

(R)-Mirtazapine D3 is a deuterium labeled (R)-Mirtazapine.(R)-Mirtazapine is a antagonist of 5-HT3 receptor.

Fabesetron (FK1052) is an orally active compound that acts as a dual antagonist, targeting both the 5-HT3 and 5-HT4 receptors. It exhibits efficacy in studying emesis induced by cancer chemotherapy, showing potential for managing both acute and delayed symptoms.

Tropanserin (MDL 72422) is a 5-hydroxytryptamine receptor antagonist that inhibits 5-HT3 receptor activity.Tropanserin has anxiolytic activity and is used to treat depression and cognitive disorders.

Quipazine dimaleate is a selective 5-HT3 agonist.

RS 56812 is a 5-HT3 receptor antagonist and agonist used in the study of cognitive disorders.

A-582941 dihydrochloride (A 582941) is a Selective agonist of α7 nAChR partial

Metoclopramide hydrochloride hydrate (Metoclopramide monohydrochloride monohydrate) is a dopamine D2 antagonist that is a drug used for digestive dysfunction. It acts as an anti-emetic

Alosetron-13C-d3 the 13C and deuterated compound of Alosetron. Alosetron has a CAS number of 122852-42-0. Alosetron, a 5-HT3 antagonist, is used for the management of severe diarrhea-predominant irritable bowel syndrome (IBS) in women only.

Ondansetron-13C-d3 the 13C and deuterated compound of Ondansetron. Ondansetron has a CAS number of 99614-02-5. Ondansetron is a serotonin 5-HT3 receptor antagonist used mainly as an antiemetic.

Lerisetron is an antagonist of serotonin type 3 (5-HT3) receptor, with antiemetic activity.

Tropisetron hydrochloride (Tropisetron HCl) is the hydrochloride salt form of tropisetron, a selective, competitive serotonin 5-hydroxytryptamine type 3 (5-HT3) receptor antagonist, with antinauseant and antiemetic activities.

MDL-74156 is an active metabolite of dolasetron and a 5-hydroxy-tryptamine3 (5-HT3) antagonist.

RG 12915 is a potent, selective 5-HT3 receptor antagonist developed for the treatment of emesis and nausea associated with cancer chemotherapy.

Dolasetron (MDL-73147)(MDL-73147) is a serotonin 5-HT3 receptor antagonist. Dolasetron is used to treat nausea and vomiting following chemotherapy.

LY 278584 is an antagonist of 5-HT3-receptor.

PU02 (6-[(1-Naphthalenylmethyl)thio]-9H-purine) is a potent and selective antagonist of 5-HT3 receptor.

T 82 is an antagonist of 5-HT3 and inhibitor of acetylcholinesterase (AChE) and used for the treatment of Alzheimer's Disease.

Selective ultrapotent PSEM (uPSEM) agonist for α7L131G,Q139L,Y217F-GlyR (PSAM4-GlyR) and PSAM4-5-HT3 chimeric ion channel agonist (EC50 values are 0.3 and 0.5 nM, respectively). Suppresses firing of layer 2/3 cortical neurons expressing PSAM4-GlyR in brain slices. Increases contralateral rotation in mice expressing PSAM4-GlyR unilaterally in the substantia nigra reticulata (LED 0.1 mg/kg). Magnus et al (2019) Ultrapotent chemogenetics for research and potential clinical applications. Science 364 PMID:30872534

Esmirtazapine HCl is the salt form of Esmirtazapine, a potent antagonist of 5-hydroxytryptamine type 2 (5-HT2), 5-HT3, and histamine 1 (H1) receptors, and a moderate antagonist of peripheral alpha 1 adrenergic and muscarinic receptors.

FK1052 hydrochloride is a potent 5-HT3 and 5-HT4 receptor dual antagonist.

E-3620 is a novel 5-HT3 receptor antagonist that inhibits cisplatin-induced vomiting in beagles. E-3620 can be used to study dyskinesia, gastrointestinal dyskinesia, psoriasis and psoriasis.

Anpirtoline free base is a highly potent 5-HT1B receptor agonist. Anpirtoline has been shown to decreases central serotonin synthesis and attenuate aggressive behavior in vivo. Anpirtoline also acts as an antagonist at 5-HT3 receptors and can bypass the blood-brain barrier.

(S)-PNU-282987 is the absolute stereochemistry form of PNU-282987. PNU 282987, a potent agonist of α7-containing neuronal nicotinic acetylcholine receptors (nAChRs) with Ki of 26 nM for the rat receptor, has negligible activity against α1β1γδ and α3β4 nAC

Mirtazapine (6-Azamianserin) is a tetracyclic antidepressant with a somewhat unique mechanism of action. Mirtazapine therapy can be associated with transient asymptomatic elevations in serum aminotransferase levels and has been linked to rare instances of clinically apparent acute liver injury.