NMDA Receptors

N-methyl-D-aspartate (NMDA) receptor antagonists and modulators act on glutamate-gated ion channels in neurons. NMDA receptors take part in excitatory synaptic transmission, synaptic plasticity and excitotoxicity. The first NMDA receptor subunit was cloned from rat brain in 1991. Extracellular magnesium blocks the channel in a voltage-dependent manner, so activation requires both agonist binding and membrane depolarization. The category includes the agonist NMDA itself, the channel blocker memantine hydrochloride and the competitive antagonist SDZ 220-581. Subunit-selective tools include TCN 201, a negative allosteric modulator of GluN2A-containing receptors, and GNE 0723, a positive allosteric modulator of the same receptors.

Items 1-25 of 218

  • Memantine hydrochloride
    Cat. No.
    A11708

    Memantine hydrochloride

    Synonyms: Namenda

    Memantine hydrochloride is an antagonist at the NMDA receptor, binding to the ion channel site. it was used in the treatment of Parkinsonism.

    200 mg
    $35.00
    500 mg
    $40.00
    All 4 sizes
  • ARL-15896
    Cat. No.
    A13858

    ARL-15896

    Synonyms: Lanicemine hydrochloride; AR-R15896AR

    ARL-15896 is a novel N-methyl-D-aspartate receptor ion channel antagonist.

    2 mg
    $25.00
    5 mg
    $45.00
    All 8 sizes
  • Orphenadrine citrate
    Cat. No.
    A11712

    Orphenadrine citrate

    Synonyms: Norflex

    Orphenadrine citrate is a NMDA receptor antagonist with Ki of 6.0 +/- 0.7 μM, HERG potassium channel blocker.

    50 mg
    $20.00
    100 mg
    $25.00
    All 5 sizes
  • Creatinine
    Cat. No.
    A11842

    Creatinine

    Synonyms: NSC13123

    Creatinine acts as a GABAA and NMDA receptor modulator, demonstrating antioxidant properties and metabolic regulation. It is produced through the non-enzymatic conversion of creatine and phosphocreatine in muscle, making its serum levels an important biomarker for renal function, muscle mass, and clinical outcomes. Creatinine is utilized in evaluating perioperative renal risk and has applications in research on neurodegenerative diseases, psychiatric disorders, acute and chronic kidney injury, and renal failure. Additionally, it can induce specific Cryptococcus species to produce creatinine deiminase, highlighting its role in metabolic studies.

    500 mg
    $35.00
    1 g
    $40.00
    All 3 sizes
  • Felbamate
    Cat. No.
    A11862

    Felbamate

    Synonyms: Felbatol

    Felbamate is an antagonist at the NMDA-associated glycine binding site.

    5 mg
    $30.00
    10 mg
    $45.00
    All 7 sizes
  • TCN 201
    Cat. No.
    A11947

    TCN 201

    TCN 201 is a NMDA receptor antagonist selective for NR1/NR2A over NR1/NR2B-containing receptors

    5 mg
    $50.00
    10 mg
    $90.00
    All 5 sizes
  • GNE 0723
    Cat. No.
    A12757

    GNE 0723

    GNE 0723 is a brain permeable positive allosteric modulator of NMDAR, with an EC50 of 21 nM for GluN2A, 7.4 and 6.2 μM for GluN2C and GluN2D, respectively.

    1 mg
    $315.00
    5 mg
    $955.00
    All 6 sizes
  • Eliprodil
    Cat. No.
    A12946

    Eliprodil

    Synonyms: SL-820715

    Eliprodil is a non-competitive NR2B-NMDA receptor antagonist(IC50=1 uM), less potent for NR2A- and NR2C-containing receptors(IC50> 100 uM).

    5 mg
    $20.00
    10 mg
    $35.00
    All 7 sizes
  • RPR104632
    Cat. No.
    A13385

    RPR104632

    RPR104632 is a specific antagonist of NMDA receptor, with potent neuroprotective properties.

    1 mg
    $400.00
    5 mg
    $1,210.00
    All 4 sizes
  • GV-196771A
    Cat. No.
    A13438

    GV-196771A

    GV-196771A is the sodium salt form of GV196771, is an NMDA receptor antagonist.

    1 mg
    $695.00
    5 mg
    $1,795.00
    All 4 sizes
  • Rapastinel
    Cat. No.
    A13576

    Rapastinel (GLYX-13)

    Synonyms: GLYX 13

    GLYX-13 is a selective weak partial agonist of the glycine site of the NMDA receptor which is under development by Naurex as adjunctive therapy for treatment-resistant depression.

    1 mg
    $35.00
    2 mg
    $60.00
    All 7 sizes
  • MDL 29951
    Cat. No.
    A13729

    MDL 29951

    MDL-29951 is a novel glycine antagonist of NMDA receptor activation (Ki=0.14 mM, [3H]glycine binding) in vitro and in vivo.

    1 mg
    $35.00
    5 mg
    $100.00
    All 8 sizes
  • DNQX
    Cat. No.
    A13882

    DNQX

    DNQX is a non-N-methyl-D-aspartate (non-NMDA) receptor complex antagonist.

    25 mg
    $45.00
    50 mg
    $75.00
    All 5 sizes
  • Memantine
    Cat. No.
    A13946

    Memantine

    Memantine is a noncompetitive antagonist of the N-methyl-D-aspartate receptor (NMDAR). It has been shown to modulate excitotoxicity and is utilized in research studies focused on moderate-to-severe Alzheimer's disease (AD). This compound is essential for exploring pathways related to neurodegeneration and cognitive function.

    5 mg
    $40.00
    10 mg
    $60.00
    All 6 sizes
  • L-701324
    Cat. No.
    A15522

    L-701324

    L-701324 is an orally active and long acting anticonvulsant with high affinity and selectivity for the glycine site on the NMDA receptor,

    5 mg
    $30.00
    10 mg
    $50.00
    All 7 sizes
  • CIQ
    Cat. No.
    A15523

    CIQ

    CIQ is a subunit-selective potentiator of NMDA receptors containing the NR2C or NR2D subunit.

    2 mg
    $20.00
    5 mg
    $40.00
    All 7 sizes
  • CGS19755
    Cat. No.
    A15791

    CGS19755

    CGS 19755 (cis-4-phosphonomethyl-2-piperidine carboxylic acid) was found to be a potent, stereospecific inhibitor of N-methyl-D-aspartate (NMDA)-evoked, but not KCl-evoked, [3H] acetylcholine release from slices of the rat striatum.

    5 mg
    $220.00
    10 mg
    $400.00
    All 4 sizes
  • CNQX
    Cat. No.
    A16109

    CNQX

    Synonyms: FG-9065

    CNQX is a competitive, non-NMDA glutamate receptor antagonist (IC50s = 0.3 and 1.5 uM for AMPA and kainate receptors, respectively, versus IC50 = 25 uM for NMDA receptors).

    5 mg
    $35.00
    10 mg
    $55.00
    All 7 sizes
  • Ifenprodil tartrate
    Cat. No.
    A16583

    Ifenprodil tartrate

    Ifenprodil tartrate is the atypical N-methyl-D-aspartate (NMDA) receptor antagonist, inhibits NMDA-induced currents at NR1A/NR2B receptors with high affinity (IC50 = 0.34 μM).

    25 mg
    $45.00
    50 mg
    $60.00
    All 6 sizes

Items 1-25 of 218

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