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Competitive antagonist

" in MedChemExpress (MCE) Product Catalog:

742

Inhibitors & Agonists

2

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5

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63

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3

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60

Natural
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70

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2

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GMP Molecules

Cat. No. Product Name Target Research Areas Chemical Structure
  • HY-16985
    Darolutamide
    5+ Cited Publications

    ODM-201; BAY-1841788

    Androgen Receptor Cancer
    Darolutamide (ODM-201) is an orally active competitive androgen receptor (AR) antagonist. Darolutamide has a Ki of 11 nM for rat wild-type AR (wtAR) and IC50 of 26 nM for human wild-type AR (hAR)-mediated transcriptional activation . Darolutamide inhibits testosterone-induced AR nuclear translocation and transcriptional activation . Darolutamide exerts selective effects on AR-positive cells by inhibiting AR-dependent signaling pathways, and its active metabolite retains full antagonistic activity against AR mutants . Darolutamide can be used for the research of prostate cancer, including androgen receptor-dependent prostate cancer .
    Darolutamide
  • HY-103533
    Gabazine
    5+ Cited Publications

    SR95531

    GABA Receptor Neurological Disease
    Gabazine is a selective and competitive antagonist of GABAA receptor, with an IC50 of ~0.2 μM for GABA receptor.
    Gabazine
  • HY-15084
    Dizocilpine maleate
    40+ Cited Publications

    (+)-MK 801 Maleate

    iGluR Neurological Disease
    Dizocilpine maleate (MK-801 maleate) is a potent, selective and non-competitive NMDA receptor antagonist with Kd of 37.2 nM in rat brain membranes.
    Dizocilpine maleate
  • HY-15068
    NBQX
    15+ Cited Publications

    FG9202

    iGluR Neurological Disease
    NBQX (FG9202) is a highly selective and competitive AMPA receptor antagonist. NBQX has neuroprotective and anticonvulsant activity .
    NBQX
  • HY-16060
    Apalutamide
    10+ Cited Publications

    ARN-509

    Androgen Receptor Cancer
    Apalutamide (ARN-509) is a potent and competitive androgen receptor (AR) antagonist, binding AR with an IC50 of 16 nM .
    Apalutamide
  • HY-B0009
    Flumazenil
    4 Publications Verification

    Ro 15-1788

    GABA Receptor Neurological Disease
    Flumazenil is a competitive GABAA receptor antagonist, used in the treatment of benzodiazepine overdoses.
    Flumazenil
  • HY-15066
    CNQX
    15+ Cited Publications

    FG9065

    iGluR Neurological Disease
    CNQX (FG9065) is a potent and competitive AMPA/kainate receptor antagonist with IC50s of 0.3 μM and 1.5 μM, respectively. CNQX is a competitive non-NMDA receptor antagonist . CNQX blocks the expression of fear-potentiated startle in rats .
    CNQX
  • HY-A0013
    Bosentan
    25+ Cited Publications

    Endothelin Receptor Cardiovascular Disease Endocrinology Cancer
    Bosentan is a competitive and dual antagonist of endothelin-1 (ET) for the ETA and ETB receptors with Ki of 4.7 nM and 95 nM in human SMC, respectively.
    Bosentan
  • HY-B0377
    Famotidine
    5+ Cited Publications

    MK-208

    Histamine Receptor Cardiovascular Disease Metabolic Disease Endocrinology Cancer
    Famotidine (MK-208) is a competitive histamine H2-receptor antagonist. Its main pharmacodynamic effect is the inhibition of gastric secretion.
    Famotidine
  • HY-B0686
    Eptifibatide
    5+ Cited Publications

    Integrin Cardiovascular Disease
    Eptifibatide is a cyclic heptapeptide, acts as a competitive antagonist for the activated platelet glycoprotein IIb/IIIa receptor, with anti-platelet activity .
    Eptifibatide
  • HY-113329
    Guanidinoethyl sulfonate
    5 Publications Verification

    Taurocyamine

    Endogenous Metabolite Metabolic Disease
    Guanidinoethyl sulfonate (Taurocyamine) is an orally available, blood-brain permeable competitive inhibitor of taurine transporters and a competitive antagonist of glycine receptors (GlyR) (IC50=565 μM). Guanidinoethyl sulfonate has both weak agonist and antagonist effects on GABAA receptors. Guanidinoethyl sulfonate inhibits taurine transmembrane transport and competitively binds to the GlyR ligand binding domain, thereby blocking glycine-mediated chloride influx, and may regulate brain pH to exert neuroprotective effects. Guanidinoethyl sulfonate can be used for neuroprotection studies of ischemic brain injury .
    Guanidinoethyl sulfonate
  • HY-15066A
    CNQX disodium
    15+ Cited Publications

    FG9065 disodium

    iGluR Neurological Disease
    CNQX disodium (FG9065 disodium) is a potent and competitive AMPA/kainate receptor antagonist with IC50s of 0.3 μM and 1.5 μM, respectively. CNQX disodium is a competitive non-NMDA receptor antagonist . CNQX disodium blocks the expression of fear-potentiated startle in rats .
    CNQX disodium
  • HY-107537

    GPR35 Cardiovascular Disease Inflammation/Immunology
    CID 2745687 acts as a specific, reversible and competitive GPR35 antagonist with a Ki of 12.8 nM .
    CID 2745687
  • HY-B0140
    Aminophylline
    10+ Cited Publications

    Phosphodiesterase (PDE) Adenosine Receptor Inflammation/Immunology Cancer
    Aminophylline is a competitive and non-selective phosphodiesterase (PDE) inhibitor. Aminophylline is a competitive adenosine receptor antagonist. Aminophylline has apulmonary vasodilator action as well as a bronchodilator action and has the potential for asthma research .
    Aminophylline
  • HY-15068A
    NBQX disodium
    15+ Cited Publications

    FG9202 disodium

    iGluR Neurological Disease
    NBQX disodium (FG9202 disodium) is a highly selective and competitive AMPA receptor antagonist. NBQX disodium has neuroprotective and anticonvulsant activity .
    NBQX disodium
  • HY-A0013A
    Bosentan hydrate
    25+ Cited Publications

    Endothelin Receptor Cardiovascular Disease Endocrinology Cancer
    Bosentan hydrate is a competitive and dual antagonist of endothelin-1 (ET) for the ETA and ETB receptors with Ki of 4.7 nM and 95 nM in human SMC, respectively.
    Bosentan hydrate
  • HY-101116
    GLP-1R Antagonist 1
    5 Publications Verification

    GCGR Metabolic Disease
    GLP-1R Antagonist 1 (compound 5d) is an orally active, CNS penetrant and non-competitive antagonist of glucagon-like peptide 1 receptor (GLP-1R), with an IC50 of 650 nM .
    GLP-1R Antagonist 1
  • HY-123617

    Protease Activated Receptor (PAR) Inflammation/Immunology
    AZ8838 is a potent, competitive, allosteric, orally active non-peptide small molecule antagonist of PAR2 with a pKi of 6.4 for hPAR2 .
    AZ8838
  • HY-125145
    AA92593
    2 Publications Verification

    Melanopsin Receptor Metabolic Disease Cancer
    AA92593 is a selective and competitive melanopsin OPN4 antagonist .
    AA92593
  • HY-19337
    Ketodarolutamide
    1 Publications Verification

    BAY 1896953; ORM-15341

    Androgen Receptor Cancer
    Ketodarolutamide (ORM-15341) is a potent, high-affinity nonsteroidal competitive full antagonist of androgen receptor (AR). Ketodarolutamide displays a Ki value of 8 nM for rat wild-type AR and an IC50 value of 38 nM in AR-HEK293 cells . Ketodarolutamide inhibits testosterone-induced nuclear translocation of the AR and antagonizes both overexpressed and mutant ARs . Ketodarolutamide specifically suppresses the proliferation of AR-dependent prostate cancer cells and exhibits antitumor activity in models of castration-resistant prostate cancer (CRPC) . Ketodarolutamide is suitable for the mechanistic and therapeutic research of prostate cancer .
    Ketodarolutamide
  • HY-100717
    HT-2157
    4 Publications Verification

    SNAP 37889

    Neuropeptide Y Receptor Neurological Disease Endocrinology
    HT-2157 (SNAP 37889) is a selective, high-affinity, competitive antagonists of galanin-3 receptor (Gal3).
    HT-2157
  • HY-101503
    HTS01037
    1 Publications Verification

    FABP Metabolic Disease
    HTS01037 is an inhibitor of fatty acid binding; and a competitive antagonist of protein-protein interactions mediated by AFABP/aP2 with a Ki of 0.67 μM.
    HTS01037
  • HY-100129
    JNJ-17203212
    1 Publications Verification

    TRP Channel Neurological Disease
    JNJ-17203212 is a selective, potent and competitive TRPV1 antagonist. JNJ-17203212 is developed for researching pain management, such as migraine .
    JNJ-17203212
  • HY-P2271

    Apelin Receptor (APJ) Cancer
    MM 54 (compound 5) is a competitive antagonist at APJ, with an IC50 of 93 nM. MM 54 behaves as a potent and selective inhibitor of apelin binding and APLNR activation .
    MM 54
  • HY-P3245A

    Apoptosis Cancer
    HXR9 hydrochloride is a cell-permeable peptide and a competitive antagonist of HOX/PBX interaction. HXR9 hydrochloride antagonizes the interaction between HOX and a second transcrip-tion factor (PBX), which binds to HOX proteins in paralogue groups1 to 8. HXR9 hydrochloride selectively decreases cell proliferation and promotes apoptosis in cells with a high level of expression of the HOXA/PBX3 genes, such as MLL-rearranged leukemic cells .
    HXR9 hydrochloride
  • HY-110097

    CNS 1102

    iGluR Neurological Disease
    Aptiganel hydrochloride (Cerestat) is a non-competitive NMDA receptor antagonist with neuroprotective effect.
    Aptiganel hydrochloride
  • HY-13059

    iGluR Neurological Disease
    SDZ 220-581 is an orally active, potent, competitive NMDA receptor antagonist with pKi value of 7.7 .
    SDZ 220-581
  • HY-101356

    mGluR Neurological Disease
    CPCCOEt is a low affinity, selective, non-competitive and reversible antagonist of metabotropic glutamate receptor 1b (mGluR1b) .
    CPCCOEt
  • HY-137955

    P2Y Receptor Cardiovascular Disease Others Neurological Disease
    MRS 2211 sodium hydrate is a competitive P2Y13 receptor antagonist (pIC50= 5.97). MRS 2211 sodium hydrate is highly selective to the P2Y13 receptor, showing more than 20-fold selectivity compared to the P2Y1 and P2Y12 receptors. MRS 2211 sodium hydrate can be used to further investigate the role of the P2Y13 receptor in different physiological and pathological processes, such as its function in blood cells, the nervous system and the immune system .
    MRS 2211 sodium hydrate
  • HY-16985S

    ODM-201-d4; BAY-1841788-d4

    Isotope-Labeled Compounds Androgen Receptor Cancer
    Darolutamide-d4 (ODM-201-d4) is deuterium labeled Darolutamide (HY-16985). Darolutamide (ODM-201) is an orally active competitive androgen receptor (AR) antagonist, with a Ki of 11 nM for rat wild-type AR (wtAR) and an IC50 of 26 nM for human wild-type AR (hAR)-mediated transcriptional activation . Darolutamide inhibits testosterone-induced AR nuclear translocation and transcriptional activation . Darolutamide exerts selective effects on AR-positive cells by inhibiting AR-dependent signaling pathways, and its active metabolite retains full antagonistic activity against AR mutants . Darolutamide can be used for the research of prostate cancer, including androgen receptor-dependent prostate cancer .
    Darolutamide-d4
  • HY-B0686B
    Eptifibatide acetate
    5+ Cited Publications

    Integrin Cardiovascular Disease
    Eptifibatide acetate is a cyclic heptapeptide, acts as a competitive antagonist for the activated platelet glycoprotein IIb/IIIa receptor, with anti-platelet activity .
    Eptifibatide acetate
  • HY-136596

    Drug Metabolite Cancer
    Apalutamide-COOH is a metabolite of Apalutamide. Apalutamide is a potent and competitive androgen receptor (AR) antagonist, binding AR with an IC50 of 16 nM .
    Apalutamide-COOH
  • HY-137279
    Naloxone methiodide
    1 Publications Verification

    Opioid Receptor Inflammation/Immunology
    Naloxone methiodide is a peripherally restricted, nonselective, and competitive opioid receptor antagonist. Naloxone methiodide does not penetrate the blood-brain barrier .
    Naloxone methiodide
  • HY-19361

    Prostaglandin Receptor Neurological Disease
    L-826266 is a selective and competitive EP3 receptor antagonist. L-826266 can be used for convulsive disorders research .
    L-826266
  • HY-16985R

    ODM-201 (Standard); BAY-1841788 (Standard)

    Reference Standards Androgen Receptor Cancer
    Darolutamide (Standard) is the analytical standard of Darolutamide (HY-16985). This product is intended for research and analytical applications. Darolutamide (ODM-201) is an orally active competitive androgen receptor (AR) antagonist, with a Ki of 11 nM for rat wild-type AR (wtAR) and an IC50 of 26 nM for human wild-type AR (hAR)-mediated transcriptional activation . Darolutamide inhibits testosterone-induced AR nuclear translocation and transcriptional activation . Darolutamide exerts selective effects on AR-positive cells by inhibiting AR-dependent signaling pathways, and its active metabolite retains full antagonistic activity against AR mutants . Darolutamide can be used for the research of prostate cancer, including androgen receptor-dependent prostate cancer .
    Darolutamide (Standard)
  • HY-106769

    GR50360

    Adrenergic Receptor Neurological Disease
    Fluparoxan is an orally active, selective and competitive alpha 2-adrenoceptor antagonist. Fluparoxan is an anti-depressant agent .
    Fluparoxan
  • HY-115273

    P2Y Receptor Others
    MRS-2179 is a selective and competitive antagonist for P2Y1 receptor, with KB of 0.177 μM .
    MRS-2179
  • HY-15538

    FI3542

    Histamine Receptor Inflammation/Immunology Endocrinology
    Ebrotidine(FI 3542) is a competitive H2-receptor antagonist (Ki= 127.5 nM) with a potent antisecretory activity and evidenced gastroprotection.
    Ebrotidine
  • HY-16060S

    ARN-509-d4

    Androgen Receptor Cancer
    Apalutamide-d4 is a deuterium labeled Apalutamide. Apalutamide is a potent and competitive androgen receptor (AR) antagonist, binding AR with an IC50 of 16 nM .
    Apalutamide-d4
  • HY-P3245

    Apoptosis Cancer
    HXR9 is a cell-permeable peptide and a competitive antagonist of HOX/PBX interaction. HXR9 antagonizes the interaction between HOX and a second transcrip-tion factor (PBX), which binds to HOX proteins in paralogue groups1 to 8. HXR9 selectively decreases cell proliferation and promotes apoptosis in cells with a high level of expression of the HOXA/PBX3 genes, such as MLL-rearranged leukemic cells .
    HXR9
  • HY-135439

    5-HT Receptor Neurological Disease
    SB-203186 is a highly selective 5-HT4 receptor antagonist. SB-203186 exhibits a potent competitive antagonistic effect, with its pKB value being 8.3 in the isolated right atrium model of piglets. SB-203186 can dose-dependently shift the 5-HT-induced tachycardia curve to the right, and does not inhibit the maximum response. SB-203186 is an efficient 5-HT₄ antagonist in pig and human atria, but has no significant inhibitory effect in rat atria. SB-203186 can be used for the study of diseases such as arrhythmias and abnormal myocardial contraction .
    SB-203186
  • HY-P3678

    Neuropeptide Y Receptor Cardiovascular Disease Neurological Disease
    Neuropeptide Y (18-36) (porcine) is a competitive neuropeptide Y (NPY) cardiac receptor antagonist. Neuropeptide Y (18-36) (porcine) inhibits the binding of I-NPY to cardiac ventricular membranes in a concentration-dependent manner with an IC50 value of 158 nM and an Ki value of 140 nM. Neuropeptide Y (18-36) (porcine) can be used for the research of congestive heart failure .
    Neuropeptide Y (18-36) (porcine)
  • HY-139675

    GPR84 Inflammation/Immunology
    GPR84 antagonist 1 is a high affinity and highly selective competitive antagonist of human GPR84.
    GPR84 antagonist 1
  • HY-12428
    A-1165442
    2 Publications Verification

    TRP Channel Neurological Disease
    A-1165442 is a potent, competitive and orally available TRPV1 antagonist with an IC50 of 9 nM for human TRPV1.
    A-1165442
  • HY-A0252

    Adrenergic Receptor Inflammation/Immunology Cancer
    Bupranolol is an orally active, competitive and non-selective β-adrenoceptor antagonist without intrinsic sympathomimetic activity .
    Bupranolol
  • HY-19433A

    iGluR Neurological Disease
    (S)-ATPO is the (S)-enantiomer of ATPO, which is a competitive antagonist at GluR1-4 (AMPA-preferring) receptors .
    (S)-ATPO
  • HY-121094

    Estrogen Receptor/ERR Cancer
    Androgen receptor allosteric antagonist 1(compound D36)is a a llosteric, competitive androgen receptor (AR) antagonist with the Ki of 9 μM. Androgen receptor allosteric antagonist 1 inhibits R1881-mediated transcription and proliferation and can be used for study of prostate cancer .
    Androgen receptor allosteric antagonist 1
  • HY-116854

    GCGR Metabolic Disease
    NNC 92-1687 is a non-peptide competitive human glucagon receptor antagonist (IC50=20 μM; Ki=9.1 μM). NNC 92-1687 can be used in the research of type 2 diabetes .
    NNC 92-1687
  • HY-100255

    BL-5111

    Adrenergic Receptor Neurological Disease Endocrinology
    Tiodazosin is a potent competitive postsynaptic alpha adrenergic receptor antagonist.
    Tiodazosin
  • HY-P5188A

    nAChR GABA Receptor Neurological Disease
    Waglerin-1, a 22-amino acid peptide, is a competitive antagonist of the muscle nicotinic receptor (nAChR) .
    Waglerin-1

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