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 (70):

Cat. No. Product Name Effect Purity
  • HY-101456
    PCPA methyl ester hydrochloride
    		Inhibitor 99.89%
    PCPA methyl ester hydrochloride (4-Chloro-DL-phenylalanine methyl ester hydrochloride), a reversible tryptophan hydroxylase inhibitor, is a serotonin (5-HT) synthesis inhibitor. PCPA methyl ester hydrochloride crosses the blood brain barrier and reduces 5-HT central availability.
  • 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-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-112390A
    Syk Inhibitor II
    		Inhibitor 98.05%
    Syk Inhibitor II is a potent, high selective and ATP-competitive Syk inhibitor with an IC50 of 41 nM. Syk Inhibitor II inhibits 5-HT release from RBL-cells with an IC50 of 460 nM. Syk Inhibitor II shows less potent against other kinases and has anti-allergic effect.
  • HY-W011235
    Norfluoxetine hydrochloride
    		Inhibitor 99.58%
    Norfluoxetine hydrochloride is an active N-demethylated metabolite of Fluoxetine. Fluoxetine is a selective serotonin (5-HT) reuptake inhibitor that is metabolized to Norfluoxetine hydrochloride by cytochrome P450 (CYP) 2D6, CYP2C19, and CYP3A4. Norfluoxetine hydrochloride inhibits 5-HT uptake and inhibits CaV3.3 T current (IC50 = 5 μM). Norfluoxetine hydrochloride has anticonvulsant activity.
  • HY-U00096
    Ansofaxine hydrochloride
    		Inhibitor 99.72%
    Ansofaxine hydrochloride (LY03005; LPM570065) is a triple reuptake inhibitor; inhibits serotonin, dopamine and norepinephrine reuptake with IC50 values of 723, 491 and 763 nM, respectively.
  • HY-123205
    Oxatomide
    		Inhibitor 99.56%
    Oxatomide is a potent and orally active dual H1-histamine receptor and P2X7 receptor antagonist with antihistamine and anti-allergic activity. Oxatomide almost completely blocks the ATP-induced current in human P2X7 receptors (IC50 of 0.95 μM). Oxatomide inhibits ATP-induced Ca2+ influx with an IC50 value of 0.43 μM and also inhibits serotonin.
  • HY-N0749A
    Jatrorrhizine hydroxide
    		Inhibitor 98.07%
    Jatrorrhizine hydroxide is an alkaloid isolated from Coptis chinensis with neuroprotective, antimicrobial, antiplasmodial and antioxidant activities. Jatrorrhizine hydroxide is a potent and orally active inhibitor of AChE (IC50=872 nM) over >115-fold selectivity for BuChE. Jatrorrhizine hydroxide reduces uptake of serotonin (5-HT) and norepinephrine (NE) via inhibition of uptake-2 transporters.
  • HY-20696
    Tetrahydro-β-carboline
    		Inhibitor
    Tetrahydro-β-carboline (Tryptoline) is a metabolite of tryptamine, also is a competitive serotonin reuptake inhibitor with an Ki value of 6.1 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-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-120083
    Rodatristat
    		Inhibitor 99.11%
    Rodatristat (KAR5417) is a potent tryptophan hydroxylase 1 (TPH1) and TPH2 inhibitor with IC50s value of 33 nM and 7 nM, respectively, and shows robust reduction of intestinal serotonin (5-HT) levels in mice.
  • 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-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-119541
    Ampreloxetine
    		Inhibitor 98.49%
    Ampreloxetine (TD-9855) is a potent and orally active norepinephrine (NE) and serotonin 5-HT inhibitor. Ampreloxetine has the potential for the research of neurogenic orthostatic hypotension.
  • HY-N7514
    Strictosidinic acid
    		Inhibitor
    Strictosidinic acid, an orally active glycoside indole monoterpene alkaloid isolated from Psychotria myriantha leaves, inhibits precursor enzymes of 5-HT biosynthesis and reduces the 5-HT levels. Strictosidinic acid has peripheral analgesic and antipyretic activities in mice.
  • 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-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-N0749
    Jatrorrhizine
    		Inhibitor
    Jatrorrhizine is an alkaloid isolated from Coptis chinensis with neuroprotective, antimicrobial, antiplasmodial and antioxidant activities. Jatrorrhizine is a potent and orally active inhibitor of AChE (IC50=872 nM) over >115-fold selectivity for BuChE. Jatrorrhizine reduces uptake of serotonin (5-HT) and norepinephrine (NE) via inhibition of uptake-2 transporters.