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NK1R antagonist
Befetupitant is a high-affinity, nonpeptide, competitive tachykinin 1 receptor (NK1R) antagonist. -
Orexin receptor antagonist
MK6096, also known as filorexant, is an orally bioavailable potent and selective reversible antagonist of OX(1)R and OX(2)R currently in clinical development for insomnia. MK-6096 demonstrated potent binding and antagonism of both human OX(1)R and OX(2)R (<3 nM in binding, 11 nM in FLIPR), with no significant off-target activities against a panel of >170 receptors and enzymes. -
Sigma-1 antagonist
BD-1047 2HBr is a selective functional antagonist of sigma receptors, shows antipsychotic activity in animal models predictive of efficacy in schizophrenia. -
angiotensin AT2 receptor antagonist
PD 123319 ditrifluoroacetate is a potent, selective, non-peptide angiotensin AT2 receptor antagonist. IC50 values are 34 and 210 nM in rat adrenal tissue and brain respectively.- Dao-Lai Zhang, .et al. , eLife, 2018, 7: e33432 PMID: 29393851
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β2 adrenergic antagonist
ICI 118551 hydrochloride is a selective β2 adrenergic antagonist. -
human A3 adenosine receptor antagonist /Aurora inhibitor
Reversine is a potent human A3 adenosine receptor antagonist with Ki of 0.66 μM, and a pan-aurora A/B/C kinase inhibitor with IC50 of 12 nM/13 nM/20 nM, respectively. Also used for stem cell dedifferentiation.- Amy H. Ide, .et al. , Mol Biol Cell, 2023, Jun 1;34(7):ar76 PMID: 37126397
- Hazheen K, .et al. , J Biol Chem, 2020, August 20
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5-HT Receptor antagonist
Tandospirone is a partial agonist at 5HT1A receptors. It significantly reduces haloperidol-induced bradykinesia in a dose-dependent manner. -
PAF receptor antagonist
Foropafant (SR27417) highly potent, competitive, selective and orally active antagonist of platelet-activating factor (PAF) receptor. -
Adrenoceptors antagonist
BRL 44408 maleate is a high purity Adrenoceptors antagonist. It increases hippocampal noradrenalin release following systemic administration. -
Adrenergic α1 Receptor Antagonist
HEAT hydrochloride is a very selective α1-AR adrenoceptor antagonist, precursor of the 3-[125I]-derivative. Adrenoreceptors (AR) or adrenergic receptors are G-protein coupled receptors involved in a variety of sympathetic nervous system processes. -
5-HT1A receptor antagonist
NAN-190 is a drug and research chemical widely used in scientific studies. It was previously believed to act as a selective 5-HT1A receptor antagonist, but a subsequent discovery showed that it also potently blocks the α2-adrenergic receptor. -
α2-adrenergic receptor antagonist
Rauwolscine is a natural alkaloid that acts as a selective and reversible α2-adrenergic receptor antagonist (Ki = 12 nM). -
Adrenoceptors antagonist
S-(-)-Atenolol is the active enantiomer of atenolol that is a cardioselective β-adrenergic blocker. -
Adrenoceptors antagonist
(S)-Timolol maleate is a adrenergic receptor antagonist selective for β1-AR. -
Adrenoceptors antagonist
SR 59230A hydrochloride is a β3-adrenoceptor antagonist. -
Dual orexin receptor antagonist
TCS 1102 is a potent, dual orexin receptor antagonist (Ki values are 0.2 and 3 nM for OX2 and OX1 receptors respectively).- Tung-Yen Lee, .et al. , Front Psychiatry, 2023, Jun 29;14:1196994 PMID: 37457782
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Histamine H4 receptor antagonist
A 943931 2HCl is a potent and selective histamine H4 receptor antagonist (pKi values are 7.15 and 8.12 at human and rat receptors respectively). -
Adenosine A2A receptor antagonist
Preladenant is a potent and selective antagonist at the adenosine A2A receptor. -
adrenergic receptor antagonist
Celiprolol HCl is a b1 adrenergic receptor antagonist and a b2 adrenergic receptor partial agonist that has been shown to relax human arteries and veins with ED50 values of 40-50 M in vitro. -
5HT2A antagonist
Ketanserin tartrate is a salt of Ketanserin. Ketanserin is reported to have a high affinity for multiple G protein-coupled receptors, such as serotonin receptors. -
CCK-2 receptor antagonist
Z-360 is a selective, orally available, 1,5-benzodiazepine-derivative gastrin/cholecystokinin 2 (CCK-2) receptor antagonist with potential antineoplastic activity. -
NK1 receptor antagonist
Rolapitant, also known as SCH-619734, is a selective, bioavailable, CNS penetrant neurokinin NK1 receptor antagonist that shows behavioral effects in animals models of emesis.- Bubak AN, .et al. , J Infect Dis, 2018, Sep 8;218(8):1324-1335 PMID: 29788447
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D2 dopamine receptor antagonist
L-741626 is a potent and selective antagonist for the dopamine receptor D2. It has good selectivity over the related D3 and D4 subtypes and other receptors.- Yoon-Jin Kim, .et al. , Sci Adv, 2021, Feb 19;7(8) PMID: 33608268
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CCK antagonist
Proglumide sodium salt is a non-selective cholecystokinin (CCK) antagonist. It inhibits CCK-stimulated amylase secretion and prevents CCK-induced 2-deoxyglucose uptake in mouse pancreatic acini. -
somatostatin receptor 2 antagonist
CYN-154806 is a potent selective somatostatin receptor 2 (sst2) antagonist. -
adenosine A2B receptors antagonist
CVT-6883, a selective A2B adenosine antagonist, represents a novel potential approach to treating cardiopulmonary diseases. -
dual antagonist of TP/DP2
BAY-u 3405 is an approved human medication for the treatment of allergic rhinitis that has documented activity as an antagonist of the thromboxane receptor (TP receptor). -
Oxytocin antagonist
PF-3274167 is a high-affinity nonpeptide oxytocin receptor (OTR) antagonist, with Ki of 9.5 nM. -
5-HT2C serotonin receptor antagonist
N-Desmethylclozapine is a potent and selective 5-HT2C serotonin receptor antagonist- Orwa Albitar, .et al. , Separation Science Plus, 2022, March 27
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5-HT4 Receptor Antagonist
SDZ 205-557 is a potent, selective 5-HT4 serotonin receptor antagonist. -
5-HT3 receptor antagonist
Tropanserin acts as a potent and selective 5-HT3 receptor antagonist. -
ETA antagonist
Atrasentan is an experimental drug that is being studied for the treatment of various types of cancer, including non-small cell lung cancer. It is an endothelin receptor antagonist selective for subtype A (ETA). -
bradykinin B1 receptor antagonist
SSR240612 is a new antagonist of the bradykinin B1 receptor.- Ling Qin, .et al. , Arthritis Res Ther, 2019, 21:12 PMID: 30621761