5-HT Receptor

Inhibitory Selectivity

Isoform-specific Inhibitors

5-HT Receptor Products

New 5-HT Receptor Products
Catalog No. Information Product Use Citations Product Validations
S3913New

Pimethixene maleate

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.

S9239

Isocorynoxeine

Isocorynoxeine (7-Isocorynoxeine), a major alkaloid found in Uncaria rhynchophylla, exhibits wide beneficial effects on the cardiovascular and cardiocerebral vascular systems. Isocorynoxeine suppress 5-HT2A receptor-mediated current response with IC50 of 72.4 μM.

S9258

(+)-Isocorynoline

Isocorynoxeine, a major bioactive tetracyclic oxindole alkaloids found in Uncaria rhynchophylla, exhibits a dose-dependent inhibition of 5-HT2A receptor-mediated current response with an IC50 of 72.4 μM and shows various beneficial effects, including lowering blood pressure, vasodilatation, and protection against ischemia-induced neuronal damage.

S9039

Albiflorin

Albiflorin, a natural product isolated from Paeoniae Radix, is a novel 5-HT and NE reuptake inhibitor with high selectivity.

S2464

Sevoflurane

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

S2677

BRL-15572 Dihydrochloride

BRL-15572 is a 5-HT1D receptor antagonist with pKi of 7.9, also shows a considerable affinity at 5-HT1A and 5-HT2B receptors, exhibiting 60-fold selectivity over 5-HT1B receptor.

S2856

SB 271046 hydrochloride

SB 271046 hydrochloride is a potent, selective and orally active 5-HT6 receptor antagonist with pKi of 8.9, exhibits 200-fold greater selectivity over other 5-HT receptor subtypes.

S5472

Nafronyl oxalate salt

Nafronyl oxalate salt is the oxalate salt form of nafronyl, which is a selective antagonist of 5-HT2 receptors and a vasodilator used in the management of peripheral and cerebral vascular disorders.

S5770New

Pizotifen

Pizotifen (Pizotyline, BC-105) is a potent antagonist of 5-Hydroxytryptamine (5-HT, Serotonin) 5-HT2 receptor with a high affinity for 5-HT1C binding site.

S5185New

Perospirone

Perospirone (SM-9018 free base) is an orally active antagonist of 5-hydroxytryptamine2 (5-HT2) receptor, dopamine2 (D2) receptor and 5-HT1A receptor with Ki of 0.6 nM, 1.4 nM and 2.9 nM, respectively.

S5197New

Loxapine

Loxapine (Adasuve), a typical neuroleptic, is a drug with D2/D3 receptor antagonist activity and a higher affinity for D3 than D2. Loxapine displays an extremely strong binding affinity for dopamine D4 and serotonin 5-HT2 receptors.

S5949New

Metoclopramide hydrochloride hydrate

Metoclopramide hydrochloride (Clorpa, Gimoti, Maxolon, Reglan) hydrate is primarily a Dopamine receptor antagonist, with 5HT3 receptor antagonist and 5HT4 receptor agonist activity, and used as an antiemetic and gastroprokinetic.

S5965New

Urapidil

Urapidil is an antihypertensive drug acting as an α1 adrenoreceptor antagonist and a 5-HT1A agonist.

S7538New

RS-102895 Hydrochloride

RS-102895 hydrochloride (HCl) is a potent antagonist of Chemokine (C-C motif) receptor 2 (CCR2) with IC50 of 360 nM, and shows no effect on CCR1. RS-102895 hydrochloride also inhibits human α1a and α1d receptors, rat brain cortex 5-HT1a receptor in cells with IC50s of 130 nM, 320 nM, 470 nM, respectively.

S2865

VUF 10166

VUF10166 is a novel, potent and competitive antagonist for 5-HT3A receptor with Ki of 0.04 nM, its affinity at 5-HT3AB receptor is significantly lower.

S0313

Volinanserin

Volinanserin (Volinanserin Hydrochloride Salt, MDL100907, M 100907, MDL-100,907) is a highly selective and potent 5-HT2 receptor antagonist with Ki of 0.36 nM. Volinanserin shows antipsychotic activity.

S0779

Pirenperone

Pirenperone (R-47456, R-50656), a quinazoline derivative, is a selective antagonist of SR-2A (5-HT2 serotonin receptor) when employed in low doses. Pirenperone behaves like a typical neuroleptic when used in higher doses (greater than 0.1 mg/kg).

S2649

SB 200646

SB 200646 (SB 200646A) is a potent, selective and oral-active antagonist of 5-HT2B/2C over 5-HT2A receptor with 50 fold selectivity. The pKi for rat 5-HT2C receptor, rat 5-HT2B receptor and rat 5-HT2A receptor are 6.9, 7.5 and 5.2, respectively. SB 200646 has electrophysiological and anxiolytic properties in vivo.

S2644

Lerisetron

Lerisetron (F 0930, F 0930RS) is a 5-HT3 receptor antagonist with IC50 of 0.81μM.

S2669

LY310762 HCl

LY310762 is a 5-HT1D receptor antagonist with Ki of 249 nM, having a weaker affinity for 5-HT1B receptor.

S9174

Xanthotoxol

Xanthotoxol (8-Hydroxypsoralen, 8-Hydroxypsoralene, 8-Hydroxyfuranocoumarin, Psoralen), a biologically active linear furocoumarin found in a large number of plants, shows strong pharmacological activities as anti-inflammatory, antioxidant, 5-HT antagonistic, and neuroprotective effects.

S0496

PF-04995274

PF-04995274 (PF-4995274) is a potent, high-affinity, orally active and partial agonist of serotonin 4 receptor (5-HT4R) with EC50 of 0.47 nM, 0.36 nM, 0.37 nM and 0.26 nM for human 5-HT4A/4B/4D/4E, respectively. As for rat 5-HT4S/4L/4E, the EC50 is 0.59 nM, 0.65 nM and 0.62 nM, respectively. PF-04995274 is brain penetrant and can be used for cognitive disorders associated with Alzheimer's disease.

S6489

Lasmiditan succinate

Lasmiditan succinate (COL-144, LY573144) is a novel, centrally acting, highly selective 5-HT(1F) receptor agonist (Ki=2.21 nM) without vasoconstrictor activity.

S5064New

Lasmiditan

Lasmiditan (Reyvow) is a highly selective 5-hydroxytryptamine (serotonin) receptor 1F (5-HT1F) agonist that can be used as a promising acute anti-migraine therapy.

S3510New

NLX-101

NLX-101 (F-15599) is a highly selective 5-HT1A receptor biased agonist that mediates antidepressant-like activity in rats via prefrontal cortex 5-HT 1A receptors.

S2852

BRL-54443

BRL 54443 is a 5-HT1E and 5-HT1F receptor agonist with pKi of 8.7 and 9.25, respectively, with a weak binding affinity for 5-HT1A, 5-HT1B, 5-HT1D receptors.

S8447

8-OH-DPAT (8-Hydroxy-DPAT)

8-OH-DPAT (8-Hydroxy-DPAT) is a kind of classic 5-HT1A agonist with the pIC50 of 8.19. It has a selectivity of almost-1000 fold for a subtype of the 5-HT1 binding site; Its biological half-life is 1.5 hous.

S0104

Pardoprunox (SLV-308) hydrochloride

Pardoprunox hydrochloride (DU-126891, SME-308) is a potent but partial dopamine D2 receptor agonist with pEC50 of 8.0, and a partial agonist in the induction of [35S]GTPγS binding with pEC50 of 9.2 and a serotonin 5-HT1A receptor agonist, with pEC50 of 6.3, respectively.

S2578

1-Phenylbiguanide

1-Phenylbiguanide (Phenylbiguanide, PBG, N-Phenylbiguanide) is a 5-hydroxytryptamine3 (5-HT3) receptor agonist with EC50 of 3.0 μM.

S0476

SCH-23390 hydrochloride

SCH-23390 hydrochloride (R-(+)-SCH-23390, SCH-23390) is a highly potent and selective dopamine D1-like receptor antagonist with Ki of 0.2 nM and 0.3 nM for the D1 and D5 dopamine receptor subtypes, respectively. SCH-23390 hydrochloride is a potent and high efficacy agonist at h5-HT2C receptors with Ki of 9.3 nM. SCH-23390 hydrochloride directly inhibits G protein-coupled inwardly rectifying potassium (GIRK) channels with IC50 of 268 nM.

S0222

Lvguidingan

Lvguidingan (Anticonvulsant 7903, 3,4-dichlorophenyl propenylisobutylamide) is an anticonvulsant/antiepileptic agent. Lvguidingan (Anticonvulsant 7903) is found to be able to increase the concentration of 5-HT and 5-HIAA in mice brain.

Catalog No. Information Product Use Citations Product Validations
S3913New

Pimethixene maleate

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.

S9239

Isocorynoxeine

Isocorynoxeine (7-Isocorynoxeine), a major alkaloid found in Uncaria rhynchophylla, exhibits wide beneficial effects on the cardiovascular and cardiocerebral vascular systems. Isocorynoxeine suppress 5-HT2A receptor-mediated current response with IC50 of 72.4 μM.

S9258

(+)-Isocorynoline

Isocorynoxeine, a major bioactive tetracyclic oxindole alkaloids found in Uncaria rhynchophylla, exhibits a dose-dependent inhibition of 5-HT2A receptor-mediated current response with an IC50 of 72.4 μM and shows various beneficial effects, including lowering blood pressure, vasodilatation, and protection against ischemia-induced neuronal damage.

S9039

Albiflorin

Albiflorin, a natural product isolated from Paeoniae Radix, is a novel 5-HT and NE reuptake inhibitor with high selectivity.

S2464

Sevoflurane

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

Catalog No. Information Product Use Citations Product Validations
S2677

BRL-15572 Dihydrochloride

BRL-15572 is a 5-HT1D receptor antagonist with pKi of 7.9, also shows a considerable affinity at 5-HT1A and 5-HT2B receptors, exhibiting 60-fold selectivity over 5-HT1B receptor.

S2856

SB 271046 hydrochloride

SB 271046 hydrochloride is a potent, selective and orally active 5-HT6 receptor antagonist with pKi of 8.9, exhibits 200-fold greater selectivity over other 5-HT receptor subtypes.

S5472

Nafronyl oxalate salt

Nafronyl oxalate salt is the oxalate salt form of nafronyl, which is a selective antagonist of 5-HT2 receptors and a vasodilator used in the management of peripheral and cerebral vascular disorders.

S5770New

Pizotifen

Pizotifen (Pizotyline, BC-105) is a potent antagonist of 5-Hydroxytryptamine (5-HT, Serotonin) 5-HT2 receptor with a high affinity for 5-HT1C binding site.

S5185New

Perospirone

Perospirone (SM-9018 free base) is an orally active antagonist of 5-hydroxytryptamine2 (5-HT2) receptor, dopamine2 (D2) receptor and 5-HT1A receptor with Ki of 0.6 nM, 1.4 nM and 2.9 nM, respectively.

S5197New

Loxapine

Loxapine (Adasuve), a typical neuroleptic, is a drug with D2/D3 receptor antagonist activity and a higher affinity for D3 than D2. Loxapine displays an extremely strong binding affinity for dopamine D4 and serotonin 5-HT2 receptors.

S5949New

Metoclopramide hydrochloride hydrate

Metoclopramide hydrochloride (Clorpa, Gimoti, Maxolon, Reglan) hydrate is primarily a Dopamine receptor antagonist, with 5HT3 receptor antagonist and 5HT4 receptor agonist activity, and used as an antiemetic and gastroprokinetic.

S5965New

Urapidil

Urapidil is an antihypertensive drug acting as an α1 adrenoreceptor antagonist and a 5-HT1A agonist.

S7538New

RS-102895 Hydrochloride

RS-102895 hydrochloride (HCl) is a potent antagonist of Chemokine (C-C motif) receptor 2 (CCR2) with IC50 of 360 nM, and shows no effect on CCR1. RS-102895 hydrochloride also inhibits human α1a and α1d receptors, rat brain cortex 5-HT1a receptor in cells with IC50s of 130 nM, 320 nM, 470 nM, respectively.

S2865

VUF 10166

VUF10166 is a novel, potent and competitive antagonist for 5-HT3A receptor with Ki of 0.04 nM, its affinity at 5-HT3AB receptor is significantly lower.

S0313

Volinanserin

Volinanserin (Volinanserin Hydrochloride Salt, MDL100907, M 100907, MDL-100,907) is a highly selective and potent 5-HT2 receptor antagonist with Ki of 0.36 nM. Volinanserin shows antipsychotic activity.

S0779

Pirenperone

Pirenperone (R-47456, R-50656), a quinazoline derivative, is a selective antagonist of SR-2A (5-HT2 serotonin receptor) when employed in low doses. Pirenperone behaves like a typical neuroleptic when used in higher doses (greater than 0.1 mg/kg).

S2649

SB 200646

SB 200646 (SB 200646A) is a potent, selective and oral-active antagonist of 5-HT2B/2C over 5-HT2A receptor with 50 fold selectivity. The pKi for rat 5-HT2C receptor, rat 5-HT2B receptor and rat 5-HT2A receptor are 6.9, 7.5 and 5.2, respectively. SB 200646 has electrophysiological and anxiolytic properties in vivo.

S2644

Lerisetron

Lerisetron (F 0930, F 0930RS) is a 5-HT3 receptor antagonist with IC50 of 0.81μM.

S2669

LY310762 HCl

LY310762 is a 5-HT1D receptor antagonist with Ki of 249 nM, having a weaker affinity for 5-HT1B receptor.

S9174

Xanthotoxol

Xanthotoxol (8-Hydroxypsoralen, 8-Hydroxypsoralene, 8-Hydroxyfuranocoumarin, Psoralen), a biologically active linear furocoumarin found in a large number of plants, shows strong pharmacological activities as anti-inflammatory, antioxidant, 5-HT antagonistic, and neuroprotective effects.

Catalog No. Information Product Use Citations Product Validations
S0496

PF-04995274

PF-04995274 (PF-4995274) is a potent, high-affinity, orally active and partial agonist of serotonin 4 receptor (5-HT4R) with EC50 of 0.47 nM, 0.36 nM, 0.37 nM and 0.26 nM for human 5-HT4A/4B/4D/4E, respectively. As for rat 5-HT4S/4L/4E, the EC50 is 0.59 nM, 0.65 nM and 0.62 nM, respectively. PF-04995274 is brain penetrant and can be used for cognitive disorders associated with Alzheimer's disease.

S6489

Lasmiditan succinate

Lasmiditan succinate (COL-144, LY573144) is a novel, centrally acting, highly selective 5-HT(1F) receptor agonist (Ki=2.21 nM) without vasoconstrictor activity.

S5064New

Lasmiditan

Lasmiditan (Reyvow) is a highly selective 5-hydroxytryptamine (serotonin) receptor 1F (5-HT1F) agonist that can be used as a promising acute anti-migraine therapy.

S3510New

NLX-101

NLX-101 (F-15599) is a highly selective 5-HT1A receptor biased agonist that mediates antidepressant-like activity in rats via prefrontal cortex 5-HT 1A receptors.

S2852

BRL-54443

BRL 54443 is a 5-HT1E and 5-HT1F receptor agonist with pKi of 8.7 and 9.25, respectively, with a weak binding affinity for 5-HT1A, 5-HT1B, 5-HT1D receptors.

S8447

8-OH-DPAT (8-Hydroxy-DPAT)

8-OH-DPAT (8-Hydroxy-DPAT) is a kind of classic 5-HT1A agonist with the pIC50 of 8.19. It has a selectivity of almost-1000 fold for a subtype of the 5-HT1 binding site; Its biological half-life is 1.5 hous.

S0104

Pardoprunox (SLV-308) hydrochloride

Pardoprunox hydrochloride (DU-126891, SME-308) is a potent but partial dopamine D2 receptor agonist with pEC50 of 8.0, and a partial agonist in the induction of [35S]GTPγS binding with pEC50 of 9.2 and a serotonin 5-HT1A receptor agonist, with pEC50 of 6.3, respectively.

S2578

1-Phenylbiguanide

1-Phenylbiguanide (Phenylbiguanide, PBG, N-Phenylbiguanide) is a 5-hydroxytryptamine3 (5-HT3) receptor agonist with EC50 of 3.0 μM.

S0476

SCH-23390 hydrochloride

SCH-23390 hydrochloride (R-(+)-SCH-23390, SCH-23390) is a highly potent and selective dopamine D1-like receptor antagonist with Ki of 0.2 nM and 0.3 nM for the D1 and D5 dopamine receptor subtypes, respectively. SCH-23390 hydrochloride is a potent and high efficacy agonist at h5-HT2C receptors with Ki of 9.3 nM. SCH-23390 hydrochloride directly inhibits G protein-coupled inwardly rectifying potassium (GIRK) channels with IC50 of 268 nM.

Catalog No. Information Product Use Citations Product Validations
S0222

Lvguidingan

Lvguidingan (Anticonvulsant 7903, 3,4-dichlorophenyl propenylisobutylamide) is an anticonvulsant/antiepileptic agent. Lvguidingan (Anticonvulsant 7903) is found to be able to increase the concentration of 5-HT and 5-HIAA in mice brain.