2. Signaling Pathways
  3. Membrane Transporter/Ion Channel
    Neuronal Signaling
  4. iGluR
  5. NMDA Receptor Isoform
  6. NMDA Receptor Antagonist

NMDA Receptor Antagonist

NMDA Receptor Antagonists (95):

Cat. No. Product Name Effect Purity
  • HY-15084
    Dizocilpine maleate
    		Antagonist 99.99%
    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.
  • HY-100714A
    D-AP5
    		Antagonist 99.94%
    D-AP5 (D-APV) is a selective and competitive NMDA receptor antagonist with a Kd of 1.4 μM. D-AP5 (D-APV) inhibits the glutamate binding site of NMDA receptors.
  • HY-N0215
    L-Phenylalanine
    		Antagonist 99.98%
    L-Phenylalanine ((S)-2-Amino-3-phenylpropionic acid) is an essential amino acid isolated from Escherichia coli. L-Phenylalanine is a α2δ subunit of voltage-dependent Ca+ channels antagonist with a Ki of 980 nM. L-phenylalanine is a competitive antagonist for the glycine- and glutamate-binding sites of N-methyl-D-aspartate receptors (NMDARs) (KB of 573 μM ) and non-NMDARs, respectively. L-Phenylalanine is widely used in the production of food flavors and pharmaceuticals.
  • HY-170410
    EMD-95885
    		Antagonist 98.74%
    EMD-95885 is a selective NR2B-containing NMDA receptors antagonist with an IC50 of 3.9 nM. EMD-95885 does not interact with other sites on the NMDA receptor.
  • HY-172213
    (3S,6R)-NML
    		Antagonist
    (3S,6R)-NML is a NMDA receptor antagonist, with pIC50s of 4.8 (GluN1-GluN2A), 4.6 (GluN1-GluN2B), 5.0 (GluN1-GluN2C), 5.0 (GluN1-GluN2D) respectively. (3S,6R)-NML can be used for depression research.
  • HY-100806
    Kynurenic acid
    		Antagonist 99.21%
    Kynurenic acid, an endogenous tryptophan metabolite, is a broad-spectrum antagonist targeting NMDA, glutamate, α7 nicotinic acetylcholine receptor. Kynurenic acid is also an agonist of GPR35/CXCR8.
  • HY-30008
    Cycloleucine
    		Antagonist ≥98.0%
    Cycloleucine is a specific inhibitor of S-adenosyl-methionine mediated methylation. Cycloleucine is antagonist of NMDA receptor associated glycine receptor, with a Ki of 600 μM. Cycloleucine is also a competitive inhibitor of ATP: L-methionine-S-adenosyl transferase in vitro. Cycloleucine has anxiolytic and cytostatic effects.
  • HY-100714
    DL-AP5
    		Antagonist ≥98.0%
    DL-AP5 (2-APV) is a competitive NMDA (N-methyl-D-aspartate) receptor antagonist. DL-AP5 shows significantly antinociceptive activity. DL-AP5 specifically blocks on channels in the rabbit retina.
  • HY-12882A
    Ifenprodil tartrate
    		Antagonist 99.95%
    Ifenprodil tartrate is a typical noncompetitive NMDA receptor antagonist. Ifenprodil tartrate exerts high affinity at NR1A/NR2B receptors (IC50=0.34 μM) over 400-fold than at NR1A/NR2A receptors (IC50=146 μM). Ifenprodil tartrate inhibits GIRK (Kir3), reduces inward currents through the basal GIRK activity. Ifenprodil tartrate has the potential to be a cerebral vasodilator.
  • HY-N0215S12
    L-Phenylalanine-d5
    		Antagonist 99.90%
    L-Phenylalanine-d5 is the deuterium labeled L-Phenylalanine. L-Phenylalanine ((S)-2-Amino-3-phenylpropionic acid) is an essential amino acid isolated from Escherichia coli. L-Phenylalanine is a α2δ subunit of voltage-dependent Ca+ channels antagonist with a Ki of 980 nM. L-phenylalanine is a competitive antagonist for the glycine- and glutamate-binding sites of N-methyl-D-aspartate receptors (NMDARs) (KB of 573 μM ) and non-NMDARs, respectively. L-Phenylalanine is widely used in the production of food flavors and pharmaceuticals[1][2][3][4].
  • HY-15084B
    Dizocilpine
    		Antagonist 99.90%
    Dizocilpine (MK-801), a potent anticonvulsant, is a selective and non-competitive NMDA receptor antagonist, with a Kd of 37.2 nM in rat brain membranes. Dizocilpine acts by binding to a site located within the NMDA associated ion channel and thus prevents Ca2+ flux.
  • HY-N2072
    Crocetin
    		Antagonist 98.22%
    Crocetin (Transcrocetin), extracted from saffron (Crocus sativus L.), acts as an NMDA receptor antagonist with high affinity. Crocetin is capable of crossing the blood-brain barrier and reach the central nervous system (CNS).
  • HY-17387
    (-)-Huperzine A
    		Antagonist 99.74%
    (-)-Huperzine A (Huperzine A) is an alkaloid isolated from Huperzia serrata, with neuroprotective activity. (-)-Huperzine A is a potent, highly specific, reversible and blood-brain barrier penetrant inhibitor of acetylcholinesterase (AChE), with an IC50 of 82 nM. (-)-Huperzine A also is non-competitive antagonist of N-methyl-D-aspartate glutamate (NMDA) receptor. (-)-Huperzine A is developed for the research of neurodegenerative diseases, including Alzheimer’s disease.
  • HY-13993A
    Ro 25-6981 Maleate
    		Antagonist 99.25%
    Ro 25-6981 Maleate is a potent, selective and activity-dependent NR2B subunit specific NMDA receptor antagonist. Ro 25-6981 Maleat shows anticonvulsant and anti-parkinsonian activity. Ro 25-6981 Maleate has the potential for the research of parkinson's disease (PD).
  • HY-12294A
    PEAQX tetrasodium hydrate
    		Antagonist ≥98.0%
    PEAQX tetrasodium hydrate (NVP-AAM077 tetrasodium hydrate) is a tetrasodium hydrate of PEAQX (HY-12294). PEAQX tetrasodium hydrate is an orally active and selective NMDA antagonist, with IC50 values of 270 nM and 29.6 μM for hNMDAR 1A/2A and hNMDAR 1A/2B, respectively. PEAQX tetrasodium hydrate can promote the activation of caspase-3 and induce cell apoptosis in cortical striatal slice cultures.
  • HY-17001
    Flupirtine Maleate
    		Antagonist 99.97%
    Flupirtine Maleate is a brain penetrant, and orally bioavailable, non-opioid and centrally acting analgesic agent. Flupirtine Maleate is an indirect N-methyl-D-aspartate receptor (NMDAR) antagonist. Neuroprotective properties.
  • HY-100806S
    Kynurenic acid-d5
    		Antagonist 98.35%
    Kynurenic acid-d5 is the deuterium labeled Kynurenic acid. Kynurenic acid, an endogenous tryptophan metabolite, is a broad-spectrum antagonist targeting NMDA, glutamate, α7 nicotinic acetylcholine receptor. Kynurenic acid is also an agonist of GPR35/CXCR8.
  • HY-B0303
    Diphenhydramine
    		Antagonist 99.08%
    Diphenhydramine is a first-generation histamine H1-receptor antagonist with anti-cholinergic effect. Diphenhydramine hydrochloride can across the ovine blood-brain barrier (BBB) .
  • HY-W018061
    Traxoprodil
    		Antagonist 99.88%
    Traxoprodil (CP101,606) is a potent and selective NMDA antagonist and protect hippocampal neurons with an IC50 of 10 nM.
  • HY-16312
    MDL-29951
    		Antagonist 99.17%
    MDL-29951 is a novel glycine antagonist of NMDA receptor activation, with Ki of 0.14 μM for [3H]glycine binding in vitro and in vivo.