ST1936 is a selective, nanomolar affinity 5-HT6 receptor agonist with Ki values of 13 nM, 168 nM and 245 nM for human 5-HT6, 5-HT7 and 5-HT2B receptors, respectively. ST1936 also shows moderate affinity (Ki of 300 nM) for human and rat α2 adrenergic receptor.

Usmarapride (SUVN-D4010) free base is a potent, selective, orally active and brain penetrant 5-HT4 receptor partial agonist (EC50=44 nM). Usmarapride (SUVN-D4010) free base can be used for the research of cognitive deficits associated with Alzheimer's disease.

Eletriptan HBr is an orally active, selective 5-HT1B/1D receptor agonist.

Pimethixene (Pimetixene) maleate, an antihistamine, anntimigraine agent and antiserotonergic compound, is a highly potent antagonist of a broad range of monoamine receptors, including a variety of serotonin receptors. Pimethixene maleate inhibits 5-HT2A, 5-HT2B, 5-HT2C, 5-HT1A, 5-HT1B, 5-HT6, 5-HT7, Adrenergic α-1A, Dopamine D1 Receptor, Dopamine D2 Receptor, Dopamine D4.4 Receptor, Histamine H1 Receptor, Muscarinic M1 and Muscarinic M2 with pKi of 10.22, 10.44, 8.42, 7.63, < 5, 7.30, 7.28, 7.61, 6.37, 8.19, 7.54, 10.14, 8.61 and 9.38, respectively.,5-HT2B [1](Cell-free assay) 5-HT2A [1](Cell-free assay) Histamine H1 Receptor [1](Cell-free assay) Muscarinic M2 [1](Cell-free assay) Muscarinic M1 [1](Cell-free assay) View More 10.44(pKi) 10.22(pKi) 10.14(pKi) 9.38(pKi) 8.61(pKi)

SB 204741 is a selective and high affinity 5-HT2B antagonist with a pKi value of 7.1.

Cerlapirdine (SAM-531, PF-05212365) is a selective and potent full antagonist of the 5-hydroxytryptamine 6 (5-HT6) receptor. Cerlapirdine has the potential for researching the Alzheimer's disease.

LY266097 hydrochloride is a selective 5-HT2B receptor antagonist with pKis of 7.7, 9.8, and 7.6 for 5-HT2A, 5-HT2B, 5-HT2C, respectively. 5-HT2B receptor blockade contributes to the research in depression.

Lurasidone is an atypical antipsychotic, inhibits Dopamine D2, 5-HT2A, 5-HT7, 5-HT1A and noradrenaline α2C with IC50 of 1.68 nM, 2.03 nM, 0.495 nM, 6.75 nM and 10.8 nM, respectively.

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.

cis-Urocanic acid is a 5-HT2A receptor agonist. cis-Urocanic acid binds to 5-HT receptor with relatively high affinity (Kd=4.6 nM). cis-Urocanic acid is an immune modulator that induces immunosuppression by binding to the 5-HT2A receptor.

LY334370 is a selective 5-HT1F receptor agonist with a Ki of 1.6 nM.

Almotriptan Malate is a 5-HT1B/1D-receptor agonist used to treat migraine.

Tegaserod maleate is a partial agonist of the 5-HT4 receptor; stimulates the peristaltic reflex and accelerates gastrointestinal transit.

FPPQ is a dual-acting 5-HT3 (Ki = 0.9 nM) and 5-HT6 (Ki = 3 nM) receptor antagonist with antipsychotic and procognitive properties.

Usmarapride (SUVN-D4010) is a selective 5-HT4 receptor ligand with EC50 value 27.5nM, intended for the symptomatic research of Alzheimer's disease and other disorders of memory and cognition like attention deficient hyperactivity, Parkinson's and schizophrenia.

SB 258719 (hydrochloride) is a selective 5-HT7 receptor antagonist displayed high affnity (pKi=7.5) for the receptor. SB-258719 (hydrochloride) shows apparent partial inverse agonism.

Felcisetrag (TD-8954) is an orally active, potent and selective 5-HT4 receptor agonist with gastrointestinal prokinetic properties. Felcisetrag has high affinity (pKi =9.4) for human 5-HT4(c) receptors.

SB 221284 is a selective 5-HT2C/2B receptor antagonist with pKi values are 6.4, 7.9 and 8.6 for 5-HT2A, 5-HT2B and 5-HT2C receptors, respectively. SB 221284 can be used for the research of neurological disease.

DR4485 (hydrochloride) is an orally active and selective 5-HT7 antagonist (pKi=8.14).

Renzapride (BRL 24924), a substituted benzamide, is a full 5-HT4 receptor agonist with a Ki value of 115 nM. Renzapride (BRL 24924) is also a 5HT2b and 5HT3 receptor antagonist. Renzapride could be used for constipation predominant irritable bowel syndrome (C-IBS) study.

NAS181 is a potent and selective antagonist of rat 5-HT1B receptor, with a Ki of 47 nM. NAS181 shows 13-fold selectivity for r5-HT1B over bovine 5-HT1B receptor (Ki=630 nM). NAS181 increases the 5-HT turnover and the synaptic concentration of 5-HT by inhibiting terminal r5-HT1B autoreceptors.

WAY-100135 dihydrochloride is a selective antagonist at presynaptic and postsynaptic 5-HT1A receptor, with an IC50 of 34 nM at the rat hippocampal 5-HT1A receptor. WAY-100135 dihydrochloride has potential antipsychotic properties.

Org37684 is a highly potent 5-HT2C receptor agonist (pEC50=8.17). Org37684 exhibits a rank order of potency of 5-HT2C>5-HT2B>5-HT2A. Its selectivity for the 5-HT2C receptor is approximately 2.5 times over the 5-HT2B (pEC50=7.96) and ten times for the 5-HT2A (pEC50=7.11) receptor.

4F 4PP (oxalate) is a selective 5-HT2A antagonist with almost as high affinity (Ki= 5.3 nM) as ketanserin but with a much lower affinity for 5-HT2C sites (Ki= 620 nM).

Relenopride (YKP10811) hydrochloride is a specific and selective 5-HT4 receptor agonist (Ki=4.96 nM). Relenopride hydrochloride has 120-fold and 6-fold lower affinity, respectively, for 5-HT2A (Ki=600 nM) and 5-HT2B receptors (Ki=31 nM) than for 5-HT4. Relenopride hydrochloride increases gastrointestinal (GI) motility.

Alniditan (Alnitidan) dihydrochloride is a potent 5-HT1B and 5-HT1D receptors agonist, with IC50s of 1.7 nM and 1.3 nM in HEK 293 cells, and Kds of 0.9 nM and 1.2 nM, respectively. Alniditan dihydrochloride has migraine-preventive effects.

Eplivanserin (SR-46349) hemifumarate is a potent, selective and orally active 5-HT2A receptor antagonist, with an IC50 of 5.8 nM in rat cortical membrane, and a Kd of 1.14 nM. Eplivanserin hemifumarate displays >20-fold selectivity more selective for 5-HT2A than 5-HT2B and 5-HT2C.

NPS ALX Compound 4a dihydrochloride is a potent and selective 5-hydroxytryptamine6 (5-HT6) receptor antagonist, with an IC50 of 7.2 nM and a Ki of 0.2 nM.

SGS518 oxalate is a selective 5-HT6R antagonist. SGS518 oxalate can be used for the research of cognitive impairments such as amnesia, anxiety and depression, and it is effective in protecting mouse retina at high doses[1]

SB-203186 hydrochloride is a potent and competitive 5-HT4 antagonist. SB-203186 hydrochloride antagonizes the 5-HT4 receptor-mediated relaxations of the carbachol-contracted rat isolated oesophagus against 5-HT with pKB values of 10.9 (rat oesophagus), 9.