2. Signaling Pathways
  3. GPCR/G Protein
    Neuronal Signaling
  4. 5-HT Receptor
  5. 5-HT Receptor Isoform
  6. 5-HT Receptor Inhibitor

5-HT Receptor Inhibitor

5-HT Receptor Inhibitors (76):

Cat. No. Product Name Effect Purity
  • HY-119209
    Nefazodone
    		Inhibitor 98.01%
    Nefazodone is an orally active phenylpiperazine antidepressant. Nefazodone can potently and selectively block postsynaptic 5-HT2A receptors, and moderately inhibit 5-HT and noradrenaline reuptake. Nefazodone can also relieve the adverse effects of stress on the the immune system of mice. Nefazodone has a high affinity for CYP3A4 isoenzyme, which indicates that it has certain risk of agent-agent interaction.
  • HY-121675
    2-Bromo-LSD
    		Inhibitor
    2-Bromo-LSD (BOL-148; Bromolysergide) is a Dopamine Receptor antagonist that directly affects dopamine neurons in the substantia nigra neostriatum. 2-Bromo-LSD increases the hydroxylation of tyrosine in striatum and antagonizes the decrease of Apomorphine-induced DOPA accumulation. 2-Bromo-LSD also blocks the 5-HT Receptor mediated DOPA formation.
  • HY-B0527
    Amitriptyline
    		Inhibitor 99.94%
    Amitriptyline is an inhibitor of serotonin reuptake transporter (SERT) and noradrenaline reuptake transporter (NET), with Kis of 3.45 nM and 13.3 nM for human SERT and NET, respectively. Amitriptyline also weakly binds to dopamine reuptake transporter (DAT) with a Ki of 2.58 μM. Amitriptyline also inhibits adrenergic, muscarinic, histamine and 5-HT receptors. Amitriptyline is a TrkA and TrkB receptors agonist with potent neurotrophic activity. Amitriptyline has antidepressant activity.
  • HY-W019599
    4-Chloro-L-phenylalanine
    		Inhibitor ≥98.0%
    4-Chloro-L-phenylalanine (L-PCPA) is a 5-HT biosynthesis inhibitor. 4-Chloro-L-phenylalanine is also a nonspecific antagonist of both isoforms of tryptophan hydroxylase (TPH1 and TPH2).
  • HY-12390
    Lofepramine
    		Inhibitor ≥99.0%
    Lofepramine (Lopramine) is a modified tricyclic and orally active antidepressant. Lofepramine inhibits the uptake of Noradrenaline (NA) (HY-13715) and 5-hydroxytryptamine (5-HT) with IC50s of 2.7 μM and 11 μM, respectively. Lofepramine exerts its antidepressant activity by promoting noradrenergic neurotransmission. Lofepramine also enhances serotonergic neurotransmission by inhibiting neuronal uptake of 5-HT and tryptophan pyrrolase. Lofepramine exhibits significant anxiolytic properties. .
  • HY-125784
    Viloxazine hydrochloride
    		Inhibitor 98.94%
    Viloxazine hydrochloride is a non-brain-penetrant, selective norepinephrine transporter (NET) inhibitor (IC50=0.26 μM) and 5-HT receptor modulator. Viloxazine antagonizes 5-HT2B receptors (Ki=4.2 μM) and agonizes 5-HT2C receptors (EC50=32 μM), respectively, and enhances 5-HT neurotransmission by modulating 5-HT2B/C receptors. Viloxazine also competitively inhibits NET from increasing NE and DA levels in the synaptic cleft, and can be used in the study of attention deficit hyperactivity disorder (ADHD).
  • HY-118166
    Gentisein
    		Inhibitor 98.13%
    Gentisein (NSC 329491), the major metabolite of Mangiferin, shows the most potent serotonin uptake inhibition with an IC50 value of 4.7 µM.
  • HY-108256
    Melitracen hydrochloride
    		Inhibitor 99.90%
    Melitracen hydrochloride is an orally active biphasic antidepressant and antianxiety agent. Melitracen hydrochloride can inhibit the uptake of Norepinephrine and 5-HT (serotonin) through the presynaptic membrane inducing the increase of monoamine transmitters in synaptic space.
  • HY-B0527AS
    Amitriptyline-d6 hydrochloride
    		Inhibitor 99.65%
    Amitriptyline-d6 (hydrochloride) is the deuterium labeled Amitriptyline hydrochloride. Amitriptyline hydrochloride is an inhibitor of serotonin reuptake transporter (SERT) and noradrenaline reuptake transporter (NET), with Kis of 3.45 nM and 13.3 nM for human SERT and NET, respectively. Amitriptyline hydrochloride also weakly binds to dopamine reuptake transporter (DAT) with a Ki of 2.58 μM. Amitriptyline hydrochloride also inhibits adrenergic, muscarinic, histamine and 5-HT receptors. Amitriptyline hydrochloride is a TrkA and TrkB receptors agonist with potent neurotrophic activity. Amitriptyline hydrochloride has antidepressant activity[1][2][3].
  • HY-12394
    Dothiepin
    		Inhibitor ≥98.0%
    Dothiepin (Dosulepin; Dothep) is an antidepressant agent with sedative/anxiolytic activity. Dothiepin is an inhibitor preferring of noradrenaline uptake than serotonin uptake. Dothiepin facilitates noradrenergic neurotransmission via inhibiting the neuronal uptake. Dothiepin is also an antagonist of histamine H1-receptor without cardiotoxicity. Dothiepin exhibits significant analgesic activity in psychogenic facial pain，idiopathic fibromyalgia syndrome or rheumatoid arthritis.
  • HY-110289
    (R)-Citalopram oxalate
    		Inhibitor 99.52%
    (R)-Citalopram oxalate is an anticonvulsant, antidepressant and muscle relaxant. (R)-Citalopram oxalate is at least 20-fold weaker than S-citalopram (Escitalopram; HY-14258) as inhibitor of the 5-HT transporter (SERT). (R)-Citalopram oxalate functionally antagonises S-citalopram in vivo and in vitro. (R)-Citalopram oxalate has an effect on the association of Escitalopram with the high affinity primary site, and on its dissociation from the 5-HT transporter, via an allosteric mechanism.
  • HY-135096
    Amitriptyline-d3 hydrochloride
    		Inhibitor 99.46%
    Amitriptyline-d3 hydrochloride is the deuterium labeled Amitriptyline (hydrochloride). Amitriptyline hydrochloride is an inhibitor of serotonin reuptake transporter (SERT) and noradrenaline reuptake transporter (NET), with Kis of 3.45 nM and 13.3 nM for human SERT and NET, respectively. Amitriptyline hydrochloride also weakly binds to dopamine reuptake transporter (DAT) with a Ki of 2.58 μM. Amitriptyline hydrochloride also inhibits adrenergic, muscarinic, histamine and 5-HT receptors. Amitriptyline hydrochloride is a TrkA and TrkB receptors agonist with potent neurotrophic activity. Amitriptyline hydrochloride has antidepressant activity.
  • HY-100923
    H-9 Dihydrochloride
    		Inhibitor 98.98%
    H-9 Dihydrochloride is a PKA (protein kinase) inhibitor. H-9 Dihydrochloride (10 μM) significantly reduces the excitatory response to 5-HT. H-9 Dihydrochloride also has a direct effect on pharyngeal activity. H-9 Dihydrochloride inhibits signal-transduction and cell growth in EGF (epidermal growth factor)-dependent epithelial cell lines.
  • HY-110023
    Zimelidine dihydrochloride
    		Inhibitor 98.27%
    Zimelidine dihydrochloride is a potent and selective inhibitor of serotonin 5-HT uptake and SERT. Zimelidine dihydrochloride is an antidepressant.
  • HY-14261S
    Vilazodone-d8
    		Inhibitor ≥99.0%
    Vilazodone-d8 is the a deuterium labeled vilazodone, which is a combined serotonin specific reuptake inhibitor (SSRI) and 5-HT1A receptor partial agonist.
  • HY-12392
    Iprindole
    		Inhibitor 98.02%
    Iprindole, a tricyclic indole antidepressant, is a weak inhibitor of the uptake of noradrenaline and 5-HT.
  • HY-15414R
    Vortioxetine (Standard)
    		Inhibitor
    Vortioxetine (Standard) is an analytical standard for Vortioxetine. This product is intended for research and analytical applications. Vortioxetine (Lu AA 21004) is an antagonist of 5-HT3A and 5-HT7 receptors (Ki: 3.7 nM, 19 nM) and an inhibitor of serotonin transporter (SERT) (Ki: 1.6 nM), as well as a 5-HT1A agonist and a partial 5-HT1B agonist (Ki: 15 nM, 33 nM).
  • HY-N0737AR
    Harmine (Standard)
    		Inhibitor
    Harmine (Standard) is the analytical standard of Harmine. This product is intended for research and analytical applications. Harmine is a natural dual-specificity tyrosine phosphorylation-regulated kinase (DYRK) inhibitor with anticancer and anti-inflammatory activities. Harmine has a high affinity of 5-HT2A serotonin receptor, with an Ki of 397 nM.
  • HY-168537
    LB-102
    		Inhibitor
    LB-102 is an orally active inhibitor of dopamine D2, D3, and 5-HT7 receptors, which can be used in research on schizophrenia and other psychiatric disorders.
  • HY-172258
    5-HT2B antagonist-2
    		Inhibitor
    5-HT2B antagonist-2 (Compound 19c) is a 5HT2B receptor antagonist with an IC50 of 1.09 nM. 5-HT2B antagonist-2 can downregulate the expression of fibrosis-related genes α-SMA, Timp1, Col1a1, and Col3a1, and significantly reduce the deposition of fibrosis, thereby reducing the fibrotic area and inhibiting the fibrotic process in CCl4-induced liver fibrosis mouse models. 5-HT2B antagonist-2 can be used in the study of immune inflammatory-related diseases, particularly in the research of pulmonary fibrosis diseases.