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Results for "

NMDA receptor antagonist

" in MedChemExpress (MCE) Product Catalog:

By Targets:	17β-HSD (1) 5-HT Receptor (2) Adrenergic Receptor (8) Amyloid-β (2) Apoptosis (10) Autophagy (1) Bacterial (4) Calcium Channel (2) Cholinesterase (ChE) (7) CXCR (5) Cytochrome P450 (3) Dopamine Receptor (1) Drug Derivative (1) Drug Isomer (2) Drug Metabolite (3) Endogenous Metabolite (15) Environmental Pollutants (2) Fungal (2) GABA Receptor (16) Glycine Receptor (GlyR) (1) GPR35 (5) Histamine Receptor (1) HIV (1) HIV Integrase (1) iGluR (209) Influenza Virus (2) Isotope-Labeled Compounds (16) mAChR (4) mGluR (2) MOFs (1) Monoamine Oxidase (2) nAChR (1) NF-κB (6) Opioid Receptor (2) Orphan GPCR (1) Phytohormone (1) Potassium Channel (13) PPAR (6) Prostaglandin Receptor (1) Reactive Oxygen Species (ROS) (1) Reference Standards (30) Serotonin Transporter (1) Sigma Receptor (9) Sodium Channel (1) TNF Receptor (2) Trk Receptor (1)
By Research Areas:	Cancer (15) Cardiovascular Disease (13) Endocrinology (9) Infection (7) Inflammation/Immunology (28) Metabolic Disease (16) Neurological Disease (194)

By Targets:

17β-HSD (1)

5-HT Receptor (2)

Adrenergic Receptor (8)

Amyloid-β (2)

Apoptosis (10)

Autophagy (1)

Bacterial (4)

Calcium Channel (2)

Cholinesterase (ChE) (7)

CXCR (5)

Cytochrome P450 (3)

Dopamine Receptor (1)

Drug Derivative (1)

Drug Isomer (2)

Drug Metabolite (3)

Endogenous Metabolite (15)

Environmental Pollutants (2)

Fungal (2)

GABA Receptor (16)

Glycine Receptor (GlyR) (1)

GPR35 (5)

Histamine Receptor (1)

HIV (1)

HIV Integrase (1)

iGluR (209)

Influenza Virus (2)

Isotope-Labeled Compounds (16)

mAChR (4)

mGluR (2)

MOFs (1)

Monoamine Oxidase (2)

nAChR (1)

NF-κB (6)

Opioid Receptor (2)

Orphan GPCR (1)

Phytohormone (1)

Potassium Channel (13)

PPAR (6)

Prostaglandin Receptor (1)

Reactive Oxygen Species (ROS) (1)

Reference Standards (30)

Serotonin Transporter (1)

Sigma Receptor (9)

Sodium Channel (1)

TNF Receptor (2)

Trk Receptor (1)

By Research Areas:

Cancer (15)

Cardiovascular Disease (13)

Endocrinology (9)

Infection (7)

Inflammation/Immunology (28)

Metabolic Disease (16)

Neurological Disease (194)

226

Inhibitors & Agonists

Bibliotecas de Screening

Peptides

Natural
Products

Isotope-Labeled Compounds

Cat. No.	Nombre del producto	Target	Áreas de investigación	Chemical Structure

HY-100714A

D-AP5 25+ Cited Publications D-APV; D-2-Amino-5-phosphonovaleric acid	iGluR	Neurological Disease
D-AP5 (D-APV) is a selective and competitive **NMDA receptor** antagonist with a K_d of 1.4 μM. D-AP5 (D-APV) inhibits the glutamate binding site of NMDA receptors .

HY-15084

Dizocilpine maleate Maximum Cited Publications 44 Publications Verification (+)-MK 801 Maleate	iGluR	Neurological Disease
Dizocilpine maleate (MK-801 maleate) is a potent, selective and non-competitive *NMDA* receptor antagonist with K_d of 37.2 nM in rat brain membranes.

HY-15084B

Dizocilpine Maximum Cited Publications 44 Publications Verification MK-801	iGluR	Neurological Disease
Dizocilpine (MK-801), a potent anticonvulsant, is a selective and non-competitive **NMDA receptor** antagonist, with a K_d 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 Ca ²⁺ flux .

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 .

HY-15067

DNQX 10+ Cited Publications FG 9041	iGluR	Cancer
DNQX (FG 9041), a quinoxaline derivative, is a selective, potent competitive non-NMDA glutamate receptor antagonist (IC₅₀s = 0.5, 2 and 40 μM for AMPA, kainate and NMDA receptors, respectively) .

HY-12882A

Ifenprodil tartrate Maximum Cited Publications 10 Publications Verification NP-120 tartrate; RC-61-91 tartrate	iGluR Adrenergic Receptor Potassium Channel Calcium Channel Influenza Virus	Infection Neurological Disease
Ifenprodil (NP-120) tartrate, a cerebral vasodilator, is a 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 is an α1 adrenergic receptor antagonist. Ifenprodil tartrate inhibits GIRK (Kir3), reduces inward currents through the basal GIRK activity. Ifenprodil tartrate has reliable inhibitory effects against A/H1N1 strains (EC₅₀ of 6.6 µM). Ifenprodil tartrate has neuroprotective, anticonvulsant and antinociceptive effects. Ifenprodil tartrate can be used for the study of cerebrovascular diseases and peripheral arterial obliterative disease .

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 .

HY-15085

MDL 105519	iGluR	Neurological Disease
MDL 105519 is a potent and selective antagonist of glycine binding to the *NMDA* receptor.

HY-B1270

Isoxsuprine hydrochloride	Adrenergic Receptor iGluR	Neurological Disease Endocrinology
Isoxsuprine hydrochloride is a beta-adrenergic receptor agonist with K_is of 13.65 μΜ and 3.48 μΜ for myometrial and placcntal beta-adrenergic receptor, respectively. Isoxsuprine hydrochloride is also a **NMDA receptor** antagonist.

HY-B1487

Procyclidine hydrochloride Tricyclamol hydrochloride; (±)-Procyclidine hydrochloride	iGluR mAChR	Neurological Disease
Procyclidine (Tricyclamol, (±)-Procyclidine) hydrochloride , an anticholinergic agent, is a muscarinic receptor antagonist that also has the properties of an N-methyl-D-aspartate (NMDA) antagonist. Procyclidine hydrochloride can be used in studies of Parkinson's disease and related psychiatric disorders such as Soman-induced epilepsy .

HY-13457

TCN 201 1 Publications Verification	iGluR	Neurological Disease
TCN 201 is a potent, selective and non-competitive antagonist of GluN1/GluN2A NMDA receptor, with a pIC₅₀ of 6.8. TCN 201 is selective for GluN1/GluN2A NMDA receptor over GluN1/GluN2B NMDA receptor (pIC₅₀<4.3) .

HY-18698

L-701324	iGluR	Neurological Disease
L-701324 is a potent, orally active **NMDA receptor** antagonist that antagonizes the activity of the NMDA receptor by blocking its glycine B binding site. L-701324 binds with high affinity to rat brain membranes (IC₅₀=2 nM). L-701324 has antidepressant activity .

HY-16312

MDL-29951 5 Publications Verification	iGluR	Neurological Disease
MDL-29951 is a novel glycine antagonist of **NMDA receptor activation, with K_i** of 0.14 μM for [ ³H]glycine binding in vitro and in vivo.

HY-I0096

Indole-2-carboxylic acid	iGluR HIV HIV Integrase	Neurological Disease
Indole-2-carboxylic acid (I2CA) is a competitive antagonist of the glycine site of the **NMDA receptor (K_i=15 μM, 5-fluoro-I2CA) and an inhibitor of HIV-1 integrase. Indole-2-carboxylic acid is selective for the glycine site of the NMDA receptor** and blocks the enhancement of NMDA receptor by competitively inhibiting the binding of glycine to the NMDA receptor. Indole-2-carboxylic acid can also inhibit the strand transfer activity of HIV-1 integrase by chelating Mg ²⁺ at the active site of integrase and interacting with the hydrophobic cavity. Indole-2-carboxylic acid can be used in the study of neurological diseases (such as stroke, epilepsy) and HIV-1 infection .

HY-12882

Ifenprodil 5+ Cited Publications NP-120; RC-61-91	iGluR Adrenergic Receptor Potassium Channel Calcium Channel Influenza Virus	Infection Neurological Disease
Ifenprodil (NP-120), a cerebral vasodilator, is a noncompetitive *NMDA* receptor antagonist. Ifenprodil exerts high affinity at NR1A/NR2B receptors (IC₅₀=0.34 μM) over 400-fold than at NR1A/NR2A receptors (IC₅₀=146 μM) . Ifenprodil is an α1 adrenergic receptor antagonist. Ifenprodil inhibits GIRK (Kir3), reduces inward currents through the basal GIRK activity. Ifenprodil has reliable inhibitory effects against A/H1N1 strains (EC₅₀ of 6.6 µM). Ifenprodil has neuroprotective, anticonvulsant and antinociceptive effects. Ifenprodil can be used for the study of cerebrovascular diseases and peripheral arterial obliterative disease .

HY-100814

(R)-CPP 1 Publications Verification	iGluR	Neurological Disease
(R)-CPP is a highly potent *NMDA* receptor antagonist .

HY-101178

L-689560	iGluR	Neurological Disease
L-689560 is a potent N-methyl-D-aspartate (NMDA) receptor antagonist at the GluN1 glycine binding site. L-689560 is widely used as a radiolabeled ligand in binding studies and used for study the roles of NMDA receptors in normal neurological processes as well as in diseases .

HY-110097

Aptiganel hydrochloride CNS 1102	iGluR	Neurological Disease
Aptiganel hydrochloride (Cerestat) is a non-competitive **NMDA receptor** antagonist with neuroprotective effect.

HY-153129

EP2 receptor antagonist-2	Prostaglandin Receptor	Endocrinology
EP2 receptor antagonist-2 (CID891729) is an antagonist of EP2 receptor. EP2 receptor antagonist-2 inhibits the EP2 receptor activation induced by PGE2. EP2 receptor antagonist-2 also suppresses lactate dehydrogenase (LDH) release induced by N-methyl-D-aspartate (NMDA) .

HY-16502

Crocetin disodium 3 Publications Verification Transcrocetin disodium; trans-Crocetin disodium	iGluR	Cancer
Crocetin (Transcrocetin) disodium, extracted from saffron (Crocus sativus L.), acts as an **NMDA receptor** antagonist with high affinity.

HY-13059

SDZ 220-581	iGluR	Neurological Disease
SDZ 220-581 is an orally active, potent, competitive **NMDA receptor** antagonist with pK_i value of 7.7 .

HY-124463

Epiallopregnanolone 5α,3β-THDOC	GABA Receptor iGluR	Neurological Disease
Epiallopregnanolone (5α,3β-THDOC), a 3β-hydroxy neurosteroid, an antagonist at GABAA receptors and a **NMDA receptor** enhancer .

HY-12881

Eliprodil SL-820715	iGluR	Neurological Disease
Eliprodil(SL-820715) is a non-competitive NR2B-NMDA receptor antagonist(IC50=1 uM), less potent for NR2A- and NR2C-containing receptors(IC50> 100 uM).

HY-W008038

NMDAR antagonist 3	iGluR	Others
NMDAR antagonist 3 (Compound 2) is an antagonist of the *NMDA* receptor. NMDAR antagonist 3 has a certain but weak inhibitory activity against the NR1A/2B subtype of the *NMDA* receptor .

HY-103233

DNQX disodium salt 10+ Cited Publications FG 9041 disodium salt	iGluR	Cancer
DNQX (FG 9041) disodium salt, a quinoxaline derivative, is a selective, potent competitive non-NMDA glutamate receptor antagonist (IC₅₀s = 0.5, 2 and 40 μM for AMPA, kainate and NMDA receptors, respectively) .

HY-107700

Gavestinel sodium salt GV 150526A	iGluR	Cardiovascular Disease
Gavestinel (GV 150526A) is a potent, selective, orally active and non-competitive antagonist of **NMDA receptor*. Gavestinel binds to the glycine site of the NMDA* receptor, with a pK_i of 8.5. Gavestinel can be used for the research of acute ischemic stroke .

HY-101620

MRZ 2-514 1 Publications Verification	iGluR	Neurological Disease
MRZ 2-514 is an antagonist of the strychnine-insensitive modulatory site of the **NMDA receptor (glycineB), with K_i** of 33 μM.

HY-107706

Co 101244 hydrochloride PD 174494 hydrochloride	iGluR	Neurological Disease
Co 101244 (PD 174494) hydrochloride is a NR2B-containing **NMDA receptor** antagonist .

HY-150138

Gavestinel GV 150526	iGluR	Neurological Disease
Gavestinel (GV 150526) is a selective and potent the glycine site of the **NMDA receptor** antagonist. Gavestinel has neuroprotectant effects .

HY-121964

cis-Piperidine-2,3-dicarboxylic acid	iGluR	Neurological Disease
Cis-piperidine-2,3-dicarboxylic acid is a non-specific antagonist of NMDA, AMPA and kainate ionotropic receptors and a partial agonist for NMDA receptors. Cis-piperidine-2,3-dicarboxylic acid can be used in blocking general excitatory synaptic transmissions .

HY-15086

Selfotel CGS 19755	iGluR	Neurological Disease
Selfotel (CGS 19755) is a selective and competitive antagonist at N-methyl-D-aspartate *(NMDA)*-preferring receptor. CGS 19755 inhibits the binding of [3H]-3-(2-carboxypiperazin-4-yl)propyl-1-phosphonic acid to NMDA-type receptors with an IC₅₀ of 50 nM .

HY-42937

Crocetin meglumine 3 Publications Verification Transcrocetin meglumine; trans-Crocetin meglumine	iGluR	Cancer
Crocetin (Transcrocetin) meglumine, extracted from saffron (Crocus sativus L.), acts as an **NMDA receptor** antagonist with high affinity.

HY-107713

PPDA	iGluR	Neurological Disease
PPDA is a subtype-selective *NMDA* receptor antagonist that preferentially binds to NR2C/NR2D containing receptors .

HY-101809A

CNS 5161	iGluR	Cardiovascular Disease
CNS-5161 is a novel *NMDA* ion-channel antagonist that interacts with the *NMDA* receptor/ion channel site to produce a noncompetitive blockade of the actions of glutamate.

HY-N12180A

Hodgkinsine	Opioid Receptor Bacterial Fungal	Infection Neurological Disease
Hodgkinsine is an opioid receptor agonist and *NMDA* receptor antagonist, which has analgesic and anti-injurial effects. In addition, Hodgkinsine has antiviral, antibacterial and antifungal activities .

HY-15436

L-687414	iGluR	Neurological Disease
L-687414 is an orally active glycine-site *NMDA* receptor antagonist or low-potency partial agonist. L-687414 has anticonvulsant activity .

HY-106969A

ZD 9379 sodium	Glycine Receptor (GlyR) iGluR	Cardiovascular Disease Neurological Disease
ZD 9379 sodium is a competitive glycine/NMDA receptor antagonist, with an IC₅₀ value of 75 nM (glutamate site). ZD 9379 sodium selectively antagonizes the glycine binding site (GlyB site) on the NMDA receptor, inhibiting the binding of glycine to the NMDA receptor and alleviating excitotoxicity. ZD 9379 sodium reduces the frequency of cortical spreading depression (SDs), alleviates energy depletion in the ischemic penumbra, and delays the expansion of infarction. ZD 9379 sodium reduces the infarct volume and improves neurological function in mouse models. ZD 9379 sodium can be used in studies of acute ischemic stroke, etc .

HY-146101

NMDA receptor antagonist 5	iGluR	Neurological Disease
NMDA receptor antagonist 5 (Compound 10e) is a potent, brain permeable and non-toxic **NMDA receptor** antagonist. NMDA receptor antagonist 5 can be used for neurological disorder research .

HY-155049

NMDA receptor antagonist 6	iGluR	Neurological Disease
NMDA receptor antagonist 6 (compound 13b) is an antagonist of **NMDA receptor*, targeting to the glycine binding site. NMDA* receptor antagonist 6 shows cytoneuroprotective potency, and protects PC12 cells against NMDA-induced injury and cell apoptosis .

HY-155185A

NMDA receptor antagonist 8	iGluR	Neurological Disease
NMDA receptor antagonist 8 (Compound (R)-10a) is GluN2B subunit-selective **NMDA Receptor** antagonist, with an K_i of 265 nM and an IC₅₀ of 62 nM. NMDA receptor antagonist 8 can be used for research of neurodegenerative diseases .

HY-155185

NMDA receptor antagonist 7	iGluR	Neurological Disease
NMDA receptor antagonist 7 (Compound (S)-10a) is GluN2B subunit-selective **NMDA Receptor** antagonist, with an K_i of 93 nM and an IC₅₀ of 72 nM. NMDA receptor antagonist 7 can be used for research of neurodegenerative diseases .

HY-136459

NMDA receptor antagonist 2	iGluR	Neurological Disease
NMDA receptor antagonist 2 is a potent and orally active NR2B subtype-selective NMDA antagonist with an IC₅₀ and a K_i of 1.0 nM and 0.88 nM, respectively. NMDA receptor antagonist 2 is used for the study of neuropathic pain and Parkinson’s disease .

HY-139708

NMDA receptor antagonist-3	iGluR	Neurological Disease
NMDA receptor antagonist-3, a *NMDA* receptor antagonist, stands out with a remarkable percentage of recovery (40.0%, at 100 μM) and safe toxicological profile in SH-SY5Y and human adipose mesenchymal stem cells.

HY-146588

NMDA receptor antagonist 4	iGluR	Neurological Disease
NMDA receptor antagonist 4 (IIc) is a uncompetitive, voltage-dependent, orally active NMDAR blocker, with an IC₅₀ of 1.93 μM. NMDA receptor antagonist 4 shows a positive predicted blood-brain-barrier (BBB) permeability, and can be studied in Alzheimer's disease .

HY-100920

Arcaine sulfate	iGluR	Neurological Disease
Arcaine (sulfate) is a glutamate NMDA receptor inhibitor .

HY-126123

*NR2B-selective NMDA* receptor antagonist 1**	iGluR Potassium Channel	Neurological Disease
NR2B-selective NMDA receptor antagonist 1 (compound 29) is a potent antagonist of NR1/NR2B receptors, with IC₅₀s of 0.05 μM, 0.73 μM, 2.4 μM to NR1/NR2B NMDA receptor, hERG, α1-AdR, respectivity. NR2B-selective NMDA receptor antagonist 1 exhibites efficient permeability across the blood–brain barrier .

HY-120386

LY382884	iGluR	Neurological Disease
LY382884 is a selective antagonist for GluR5 kainate receptor. LY382884 prevents the induction of NMDA receptor independent long-term potentiation (LTP) .

HY-107695

Remacemide hydrochloride FPL 12924AA	iGluR Sodium Channel	Neurological Disease
Remacemide hydrochloride (FPL 12924AA), a moderate inhibitor of the Na ⁺ channel, is a weak uncompetitive **NMDA receptor** antagonist with IC₅₀s of 68 μM and 76 μM for MK-801 binding and NMDA currents, respectively . Remacemide hydrochloride is an anticonvulsant agent .

HY-W045132

N-Desbutyl Bupivacaine Desbutylbupivacaine	Drug Metabolite	Neurological Disease
N-Desbutyl Bupivacaine (compound 100) is a metabolite of Bupivacaine (HY-B0405), an **NMDA receptor** inhibitor and SCN5A antagonist .

HY-138940

3-Methoxy PCE hydrochloride 3-MEO PCE hydrochloride	iGluR	Neurological Disease
3-Methoxy PCE (3-MEO PCE) hydrochloride is structurally classified as an arylcyclohexylamine and is an /b>NMDA receptor antagonist with a pK_i value of 7.22 .

Cat. No.	Nombre del producto

HY-L070

Neuroprotective Compound Library

1,748 compounds

Neurodegenerative diseases are characterised by progressive dysfunction and death of neurons, such as Alzheimer’s disease, Parkinson’s disease, and multiple sclerosis (MS). Neuroprotection is an approach to preserve neurons so that neurons cannot be hurt by different pathological factors in neurodegenerative diseases. Neuroprotectors are some agonists and antagonists targeting some key targets in neuroprotactive signal pathways, such as calcium and sodium channel blockers, GABA receptor agonists, NMDA receptor Antagonists, etc. Current neuroprotectors cannot reverse existing damage, but they may protect against further nerve damage and slow down any degeneration of the central nervous system (CNS) and still play important roles in the treatment of neurodegenerative diseases.

MCE offers a unique collection of 1,748 compounds with potential neuroprotective activities. These compounds mainly act on some key targets in neuroprotetive signal pathways, such as calcium channel, sodium channel, adenosine A1 receptor, etc. MCE Neuroprotective Compopund Library is a useful tool in neuroprotective drug discovery.

Cat. No.	Nombre del producto	Target	Research Area

HY-P1287

Conantokin-T	iGluR	Neurological Disease
Conantokin-T is a γ-carboxyglutamate-containing, *N-methyl-D-aspartate (NMDA) antagonist* peptidewith an IC₅₀** value of 2 μM. Conantokin-T inhibits NMDA receptor-mediated calcium influx in central nervous system neurons. Conantokin-T can be purified from the venom of the fish-hunting cone snail, Conus tulipa .

HY-P1293

Conantokin G	iGluR	Neurological Disease
Conantokin G, a 17-amino-acid peptide, is a potent, selective and competitive antagonist of N-methyl-D-aspartate (NMDA) receptors. Conantokin G inhibits NMDA-evoked currents in murine cortical neurons with an IC₅₀ of 480 nM. Conantokin G has neuroprotective properties .

HY-P1293A

Conantokin G TFA	iGluR	Neurological Disease
Conantokin G TFA, a 17-amino-acid peptide, is a potent, selective and competitive antagonist of N-methyl-D-aspartate (NMDA) receptors. Conantokin G TFA inhibits NMDA-evoked currents in murine cortical neurons with an IC₅₀ of 480 nM. Conantokin G TFA has neuroprotective properties .

HY-P1285

Conantokin R Con-R	iGluR	Neurological Disease
Conantokin R (Con-R) is an *NMDA* receptor peptide antagonist with an IC₅₀ of 93 nM. Conantokin R binds Zn ²⁺ and Mg ²⁺ with K_ds of 0.15 μM and 6.5 μM, respectively. Conantokin R shows anticonvulsant activity .

Cat. No.	Nombre del producto	Category	Target	Chemical Structure

HY-100806

Kynurenic acid Maximum Cited Publications 10 Publications Verification Quinurenic acid	Alkaloids Structural Classification Human Gut Microbiota Metabolites Neurological Disease Classification of Application Fields Quinoline Alkaloids Endogenous metabolite Disease Research Fields Endocrinology	iGluR Endogenous Metabolite Apoptosis CXCR GPR35
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-113416

Dehydroepiandrosterone sulfate 5 Publications Verification DHEA sulfate; Prasterone sulfate	Human Gut Microbiota Metabolites Microorganisms Disease markers Endocrine diseases Nervous System Disorder Endogenous metabolite Source Classification	GABA Receptor Sigma Receptor iGluR PPAR NF-κB
Dehydroepiandrosterone sulfate (DHEA sulfate; Prasterone sulfate) is a neurosteroid and the main secretion product of the adrenal gland. Dehydroepiandrosterone sulfate has both non-competitive antagonist activity of GABA_A receptor and agonist activity of σ₁ receptor. Dehydroepiandrosterone sulfate can partially penetrate the blood-brain barrier, inhibit GABA_A receptor-mediated chloride influx, enhance NMDA receptor activity through σ₁ receptors, exert anti-inflammatory, anti-glucocorticoid and antidepressant effects, and increase convulsive sensitivity. Dehydroepiandrosterone sulfate participates in neuroprotection, neurite growth regulation and catecholamine secretion regulation, and can be used in the study of depression, post-traumatic stress disorder (PTSD), Alzheimer's disease, etc. Dehydroepiandrosterone sulfate may also be a biomarker for cardiovascular disease mortality, and its concentration is independently and negatively correlated with mortality .

HY-30004

1-Aminocyclopropane-1-carboxylic acid	Structural Classification Classification of Application Fields Ketones, Aldehydes, Acids Metabolic Disease Endogenous metabolite Disease Research Fields Source Classification	Environmental Pollutants Endogenous Metabolite
1-Aminocyclopropane-1-carboxylic acid is an endogenous metabolite. In the presence of low concentrations (1 μM) of glutamate, 1-Aminocyclopropane-1-carboxylic acid acts as a small molecule agonist of NMDA receptors with an EC50 of 0.7-0.9 μM. At high concentrations (10 μM) of glutamate, 1-Aminocyclopropane-1-carboxylic acid acts as a competitive antagonist of NMDA receptors with an EC50 of 81.6 nM. 1-Aminocyclopropane-1-carboxylic acid exerts neuroprotective activity by moderately activating NMDA receptors to prevent neuronal cell death in ischemic animal models. Additionally, 1-Aminocyclopropane-1-carboxylic acid is an antagonist of NMDA receptors, inducing blood pressure reduction and antioxidant effects in stroke-prone hypertensive rats. 1-Aminocyclopropane-1-carboxylic acid enhances object recognition memory and cognitive flexibility dependent on the prefrontal cortex, but does not affect impulsivity nor exhibit an antipsychotic-like profile. 1-Aminocyclopropane-1-carboxylic acid shows promise for research in the field of neurotoxicity. .

HY-B0765

Dehydroepiandrosterone sulfate sodium 5 Publications Verification DHEA sulfate sodium; Prasterone sulfate sodium	Classification of Application Fields Metabolic Disease Endogenous metabolite Disease Research Fields Steroids Source Classification	GABA Receptor Sigma Receptor iGluR PPAR NF-κB
Dehydroepiandrosterone sulfate (DHEA sulfate; Prasterone sulfate) sodium salt is a neurosteroid and the main secretion product of the adrenal gland. Dehydroepiandrosterone sulfate sodium salt has both non-competitive antagonist activity of GABA_A receptor and agonist activity of σ₁ receptor. Dehydroepiandrosterone sulfate sodium salt can partially penetrate the blood-brain barrier, inhibit GABA_A receptor-mediated chloride influx, enhance NMDA receptor activity through σ₁ receptors, exert anti-inflammatory, anti-glucocorticoid and antidepressant effects, and increase convulsive sensitivity. Dehydroepiandrosterone sulfate sodium salt participates in neuroprotection, neurite growth regulation and catecholamine secretion regulation, and can be used in the study of depression, post-traumatic stress disorder (PTSD), Alzheimer's disease, etc. Dehydroepiandrosterone sulfate sodium salt may also be a biomarker for cardiovascular disease mortality, and its concentration is independently and negatively correlated with mortality .

HY-12882A

Ifenprodil tartrate Maximum Cited Publications 10 Publications Verification NP-120 tartrate; RC-61-91 tartrate	Alkaloids Piperidine Alkaloids Neurological Disease Classification of Application Fields Crassulaceae Sedum sarmentosum Bunge Plants Disease Research Fields Source Classification	iGluR Adrenergic Receptor Potassium Channel Calcium Channel Influenza Virus
Ifenprodil (NP-120) tartrate, a cerebral vasodilator, is a 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 is an α1 adrenergic receptor antagonist. Ifenprodil tartrate inhibits GIRK (Kir3), reduces inward currents through the basal GIRK activity. Ifenprodil tartrate has reliable inhibitory effects against A/H1N1 strains (EC₅₀ of 6.6 µM). Ifenprodil tartrate has neuroprotective, anticonvulsant and antinociceptive effects. Ifenprodil tartrate can be used for the study of cerebrovascular diseases and peripheral arterial obliterative disease .

HY-107512

Kynurenic acid sodium Maximum Cited Publications 10 Publications Verification	Alkaloids Classification of Application Fields Quinoline Alkaloids Endogenous metabolite Inflammation/Immunology Disease Research Fields Source Classification	iGluR Apoptosis Endogenous Metabolite CXCR GPR35
Kynurenic acid sodium, an endogenous tryptophan metabolite, is a broad-spectrum antagonist targeting **NMDA, glutamate, α7 nicotinic acetylcholine receptor*. Kynurenic acid sodium is also an agonist* of GPR35/CXCR8.

HY-N0368

Linalool,98% (stabilized with MEHQ) 4 Publications Verification	Cardiovascular Disease Structural Classification Other Monoterpenes Classification of Application Fields Terpenoids Amberboa moschata (L.) DC. Umbelliferae Plants Endogenous metabolite Disease Research Fields Source Classification	Environmental Pollutants Apoptosis iGluR Endogenous Metabolite Bacterial TNF Receptor
Linalool is a natural monoterpene which is a competitive *NMDA* receptor antagonist. Linalool is orally active and crosses the blood-brain barrier. Linalool has anticancer, antibacterial, anti-inflammatory, neuroprotective, anxiolytic, antidepressant, anti-stress, cardioprotective, hepatoprotective, nephroprotective and pulmonary protective activities .

HY-17387

(-)-Huperzine A 5+ Cited Publications Huperzine A	Structural Classification Alkaloids Neurological Disease Classification of Application Fields Anti-aging Terpenoids Huperziaceae Sesquiterpenes Pyridine Alkaloids Huperzia serrata Plants Disease Research Fields	Cholinesterase (ChE) iGluR
(-)-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-I0096

Indole-2-carboxylic acid	Ketones, Aldehydes, Acids Endogenous metabolite Source Classification	iGluR HIV HIV Integrase
Indole-2-carboxylic acid (I2CA) is a competitive antagonist of the glycine site of the **NMDA receptor (K_i=15 μM, 5-fluoro-I2CA) and an inhibitor of HIV-1 integrase. Indole-2-carboxylic acid is selective for the glycine site of the NMDA receptor** and blocks the enhancement of NMDA receptor by competitively inhibiting the binding of glycine to the NMDA receptor. Indole-2-carboxylic acid can also inhibit the strand transfer activity of HIV-1 integrase by chelating Mg ²⁺ at the active site of integrase and interacting with the hydrophobic cavity. Indole-2-carboxylic acid can be used in the study of neurological diseases (such as stroke, epilepsy) and HIV-1 infection .

HY-100806R

Kynurenic acid (Standard) Maximum Cited Publications 10 Publications Verification Quinurenic acid (Standard)	Structural Classification Alkaloids Human Gut Microbiota Metabolites Microorganisms Ketones, Aldehydes, Acids Quinoline Alkaloids Endogenous metabolite Source Classification	Reference Standards iGluR Endogenous Metabolite Apoptosis CXCR GPR35
Kynurenic acid (Standard) is the analytical standard of Kynurenic acid. This product is intended for research and analytical applications. 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-17388

(±)-Huperzine A 1 Publications Verification	Structural Classification Terpenoids Huperziaceae Sesquiterpenes Huperzia serrata Plants Source Classification	Drug Isomer Cholinesterase (ChE) iGluR
(±)-Huperzine A is the racemate of (-)-Huperzine A (HY-17387). (-)-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-W014504

DL-Kynurenine	Structural Classification Human Gut Microbiota Metabolites Classification of Application Fields Ketones, Aldehydes, Acids Metabolic Disease Endogenous metabolite Disease Research Fields Source Classification	Endogenous Metabolite
DL-Kynurenine is a key metabolite in the tryptophan metabolic pathway and can cross the blood-brain barrier. DL-Kynurenine has a bidirectional regulatory effect on neural excitability. DL-Kynurenine can enhance the convulsive and lethal effects caused by strychnine. DL-Kynurenine is the precursor of Kynurenic acid (HY-100806), which is an antagonist at the glycine site of NMDA receptors and can counteract excitatory toxins. DL-Kynurenine can be used for research on neurotoxicity .

HY-16502

Crocetin disodium 3 Publications Verification Transcrocetin disodium; trans-Crocetin disodium	Classification of Application Fields Terpenoids Diterpenoids Lridaceae Plants Crocus sativus L. Disease Research Fields Cancer Source Classification	iGluR
Crocetin (Transcrocetin) disodium, extracted from saffron (Crocus sativus L.), acts as an **NMDA receptor** antagonist with high affinity.

HY-30004R

1-Aminocyclopropane-1-carboxylic acid (Standard)	Structural Classification Microorganisms Ketones, Aldehydes, Acids Endogenous metabolite Source Classification	Reference Standards Endogenous Metabolite
1-Aminocyclopropane-1-carboxylic acid (Standard) is the analytical standard of 1-Aminocyclopropane-1-carboxylic acid. This product is intended for research and analytical applications. 1-Aminocyclopropane-1-carboxylic acid is an endogenous metabolite. In the presence of low concentrations (1 μM) of glutamate, 1-Aminocyclopropane-1-carboxylic acid acts as a small molecule agonist of NMDA receptors with an EC50 of 0.7-0.9 μM. At high concentrations (10 μM) of glutamate, 1-Aminocyclopropane-1-carboxylic acid acts as a competitive antagonist of NMDA receptors with an EC50 of 81.6 nM. 1-Aminocyclopropane-1-carboxylic acid exerts neuroprotective activity by moderately activating NMDA receptors to prevent neuronal cell death in ischemic animal models. Additionally, 1-Aminocyclopropane-1-carboxylic acid is an antagonist of NMDA receptors, inducing blood pressure reduction and antioxidant effects in stroke-prone hypertensive rats. 1-Aminocyclopropane-1-carboxylic acid enhances object recognition memory and cognitive flexibility dependent on the prefrontal cortex, but does not affect impulsivity nor exhibit an antipsychotic-like profile. 1-Aminocyclopropane-1-carboxylic acid shows promise for research in the field of neurotoxicity. .

HY-N0368R

Linalool (Standard) 4 Publications Verification	Cardiovascular Disease Classification of Application Fields Terpenoids Amberboa moschata (L.) DC. Umbelliferae Plants Endogenous metabolite Disease Research Fields Source Classification	Reference Standards iGluR Apoptosis Endogenous Metabolite
Linalool (Standard) is the analytical standard of Linalool. This product is intended for research and analytical applications. Linalool is natural monoterpene in essential olis of coriander, acts as a competitive antagonist of Nmethyl d-aspartate (NMDA) receptor, with anti-tumor, anti-cardiotoxicity activity .Linalool is a PPARα ligand that reduces plasma TG levels and rewires the hepatic transcriptome and plasma metabolome .

HY-42937

Crocetin meglumine 3 Publications Verification Transcrocetin meglumine; trans-Crocetin meglumine	Classification of Application Fields Terpenoids Diterpenoids Lridaceae Plants Crocus sativus L. Disease Research Fields Source Classification Cancer	iGluR
Crocetin (Transcrocetin) meglumine, extracted from saffron (Crocus sativus L.), acts as an **NMDA receptor** antagonist with high affinity.

HY-113416R

Dehydroepiandrosterone sulfate (Standard) 1 Publications Verification DHEA sulfate (Standard); Prasterone sulfate (Standard)	Human Gut Microbiota Metabolites Microorganisms Disease markers Endocrine diseases Nervous System Disorder Endogenous metabolite Source Classification	Reference Standards GABA Receptor Sigma Receptor iGluR PPAR NF-κB
Dehydroepiandrosterone sulfate (DHEA sulfate; Prasterone sulfate) (Standard) is the analytical standard of Dehydroepiandrosterone sulfate (HY-113416). This product is intended for research and analytical applications. Dehydroepiandrosterone sulfate (DHEA sulfate; Prasterone sulfate) is a neurosteroid and the main secretion product of the adrenal gland. Dehydroepiandrosterone sulfate has both non-competitive antagonist activity of GABA_A receptor and agonist activity of σ₁ receptor. Dehydroepiandrosterone sulfate can partially penetrate the blood-brain barrier, inhibit GABA_A receptor-mediated chloride influx, enhance NMDA receptor activity through σ₁ receptors, exert anti-inflammatory, anti-glucocorticoid and antidepressant effects, and increase convulsive sensitivity. Dehydroepiandrosterone sulfate participates in neuroprotection, neurite growth regulation and catecholamine secretion regulation, and can be used in the study of depression, post-traumatic stress disorder (PTSD), Alzheimer's disease, etc. Dehydroepiandrosterone sulfate may also be a biomarker for cardiovascular disease mortality, and its concentration is independently and negatively correlated with mortality .

HY-N12180A

Hodgkinsine	Alkaloids Arecaceae Bercht. & J. Presl Rubiaceae Arecaceae Plants Indole Alkaloids Source Classification	Opioid Receptor Bacterial Fungal
Hodgkinsine is an opioid receptor agonist and *NMDA* receptor antagonist, which has analgesic and anti-injurial effects. In addition, Hodgkinsine has antiviral, antibacterial and antifungal activities .

HY-P1293

Conantokin G	Productos naturales Animals Source Classification	iGluR
Conantokin G, a 17-amino-acid peptide, is a potent, selective and competitive antagonist of N-methyl-D-aspartate (NMDA) receptors. Conantokin G inhibits NMDA-evoked currents in murine cortical neurons with an IC₅₀ of 480 nM. Conantokin G has neuroprotective properties .

HY-N12180

Hodgkinsine B	Alkaloids Arecaceae Bercht. & J. Presl Rubiaceae Arecaceae Plants Indole Alkaloids Source Classification	Opioid Receptor Bacterial Fungal
Hodgkinsine B is an opioid receptor agonist and *NMDA* receptor antagonist, which has analgesic and anti-injurial effects. In addition, Hodgkinsine B has antiviral, antibacterial and antifungal activities .

HY-P1293A

Conantokin G TFA	Productos naturales Animals Source Classification	iGluR
Conantokin G TFA, a 17-amino-acid peptide, is a potent, selective and competitive antagonist of N-methyl-D-aspartate (NMDA) receptors. Conantokin G TFA inhibits NMDA-evoked currents in murine cortical neurons with an IC₅₀ of 480 nM. Conantokin G TFA has neuroprotective properties .

HY-107512R

Kynurenic acid sodium (Standard)	Structural Classification Alkaloids Quinoline Alkaloids Endogenous metabolite Source Classification	iGluR Apoptosis Endogenous Metabolite CXCR GPR35 Reference Standards
Kynurenic acid (sodium) (Standard) is the analytical standard of Kynurenic acid (sodium). This product is intended for research and analytical applications. Kynurenic acid sodium, an endogenous tryptophan metabolite, is a broad-spectrum antagonist targeting NMDA, glutamate, α7 nicotinic acetylcholine receptor. Kynurenic acid sodium is also an agonist of GPR35/CXCR8.

HY-N5159

Ampullosporin A	Structural Classification Microorganisms Antibiotics Other Antibiotics Source Classification	iGluR
Ampullosporin A is a peptaibol-type polypeptide that can be isolated from the fungus Sepedonium ampullosporum HKI-0053, exhibiting neuroleptic-like activity. Ampullosporin A can inhibit hyperactivity induced by NMDA receptor antagonist MK-801 (HY-15084B) and ameliorate social behavior abnormalities caused by subchronic drug treatment. Ampullosporin A alters the activity of glutamate receptors without affecting dopamine D1 and D2 receptors .

HY-N7513R

Homovanillyl alcohol (Standard)	Structural Classification Monophenols other families Phenols Plants Source Classification	TNF Receptor Reference Standards Drug Metabolite
Orphenadrine (hydrochloride) (Standard) is the analytical standard of Orphenadrine (hydrochloride). This product is intended for research and analytical applications. Orphenadrine hydrochloride is an orally active and non-competitive NMDA receptor antagonist (crosses the blood-brain barrier) with a Ki of 6.0 μM. Orphenadrine hydrochloride relieves stiffness, pain and discomfort due to muscle strains, sprains or other injuries. Orphenadrine hydrochloride is also used to relieve tremors associated with parkinson's disease. Orphenadrine citrate has good neuroprotective properties, can be used in studies of neurodegenerative diseases .

HY-12882AR

Ifenprodil tartrate (Standard) NP-120 tartrate (Standard); RC-61-91 tartrate (Standard)	Alkaloids Piperidine Alkaloids Crassulaceae Sedum sarmentosum Bunge Plants Source Classification	iGluR Potassium Channel Reference Standards
Ifenprodil (tartrate) (Standard) is the analytical standard of Ifenprodil (tartrate). This product is intended for research and analytical applications. 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-W014504R

DL-Kynurenine (Standard)	Structural Classification Human Gut Microbiota Metabolites Microorganisms Ketones, Aldehydes, Acids Endogenous metabolite Source Classification	Reference Standards Endogenous Metabolite
DL-Kynurenine (Standard) is the analytical standard of DL-Kynurenine. This product is intended for research and analytical applications. DL-Kynurenine is a key metabolite in the tryptophan metabolic pathway and can cross the blood-brain barrier. DL-Kynurenine has a bidirectional regulatory effect on neural excitability. DL-Kynurenine can enhance the convulsive and lethal effects caused by strychnine. DL-Kynurenine is the precursor of Kynurenic acid (HY-100806), which is an antagonist at the glycine site of NMDA receptors and can counteract excitatory toxins. DL-Kynurenine can be used for research on neurotoxicity.

HY-B0765R

Dehydroepiandrosterone sulfate sodium (Standard) DHEA sulfate sodium (Standard); Prasterone sulfate sodium (Standard)	Structural Classification Endogenous metabolite Steroids Source Classification	Reference Standards GABA Receptor Sigma Receptor iGluR PPAR NF-κB
Dehydroepiandrosterone sulfate (DHEA sulfate; Prasterone sulfate) sodium salt (Standard) is the analytical standard of Dehydroepiandrosterone sulfate sodium salt (HY-B0765). This product is intended for research and analytical applications. Dehydroepiandrosterone sulfate (DHEA sulfate; Prasterone sulfate) is a neurosteroid and the main secretion product of the adrenal gland. Dehydroepiandrosterone sulfate has both non-competitive antagonist activity of GABA_A receptor and agonist activity of σ₁ receptor. Dehydroepiandrosterone sulfate can partially penetrate the blood-brain barrier, inhibit GABA_A receptor-mediated chloride influx, enhance NMDA receptor activity through σ₁ receptors, exert anti-inflammatory, anti-glucocorticoid and antidepressant effects, and increase convulsive sensitivity. Dehydroepiandrosterone sulfate participates in neuroprotection, neurite growth regulation and catecholamine secretion regulation, and can be used in the study of depression, post-traumatic stress disorder (PTSD), Alzheimer's disease, etc. Dehydroepiandrosterone sulfate may also be a biomarker for cardiovascular disease mortality, and its concentration is independently and negatively correlated with mortality .

HY-W051199

O-Phosphono-L-homoserine o-Phosphohomoserine	Structural Classification Productos naturales Human Gut Microbiota Metabolites Microorganisms Endogenous metabolite Source Classification	Endogenous Metabolite iGluR
O-Phosphono-L-homoserine (o-Phosphohomoserine) is an intermediate in threonine synthesis in bacteria and plants, and can also be hijacked by MetM in some Streptomyces species to enter a novel methionine synthesis pathway. O-Phosphono-L-homoserine acts as a weak antagonist of the **NMDA receptor*. O-Phosphono-L-homoserine can be used as a substrate for studies on amino acid metabolism of the aspartate family, a control for mechanism studies of PLP enzymes, and a reference for structure-activity relationship studies of NMDA* receptor ligands .

Cat. No.	Nombre del producto	Chemical Structure

HY-100806S

Kynurenic acid-d5 1 Publications Verification
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-N0368S

Linalool-d3 1 Publications Verification
Linalool-d₃ is the deuterium labeled Linalool . Linalool is natural monoterpene in essential olis of coriander, acts as a competitive antagonist of Nmethyl d-aspartate (NMDA) receptor, with anti-tumor, anti-cardiotoxicity activity .Linalool is a PPARα ligand that reduces plasma TG levels and rewires the hepatic transcriptome and plasma metabolome .

HY-141921S

Dehydroepiandrosterone sulfate sodium-d6

Dehydroepiandrosterone sulfate sodium salt-d₆ (DHEA sulfate sodium salt-d₆; Prasterone sulfate sodium salt-d₆) is the deuterium labeled Dehydroepiandrosterone sulfate sodium salt (HY-B0765). Dehydroepiandrosterone sulfate (DHEA sulfate; Prasterone sulfate) sodium salt is a neurosteroid and the main secretion product of the adrenal gland. Dehydroepiandrosterone sulfate sodium salt has both non-competitive antagonist activity of GABA_A receptor and agonist activity of σ₁ receptor. Dehydroepiandrosterone sulfate sodium salt can partially penetrate the blood-brain barrier, inhibit GABA_A receptor-mediated chloride influx, enhance NMDA receptor activity through σ₁ receptors, exert anti-inflammatory, anti-glucocorticoid and antidepressant effects, and increase convulsive sensitivity. Dehydroepiandrosterone sulfate sodium salt participates in neuroprotection, neurite growth regulation and catecholamine secretion regulation, and can be used in the study of depression, post-traumatic stress disorder (PTSD), Alzheimer's disease, etc. Dehydroepiandrosterone sulfate sodium salt may also be a biomarker for cardiovascular disease mortality, and its concentration is independently and negatively correlated with mortality .

HY-B0365AS

Memantine-d6 hydrochloride
Memantine-d₆ (hydrochloride) is the deuterium labeled Memantine hydrochloride. Memantine (hydrochloride) (D-145 (hydrochloride)) is a moderate affinity, uncompetitive NMDA receptor antagonist, inhibit CYP2B6 and CYP2D6 with K_is of 0.51 nM and 94.9 μM, respectively .

HY-152052S

Linalool-d5

Linalool-d₅ is the deuterium labeled Linalool (HY-N0368). Linalool is a natural monoterpene which is a competitive NMDA receptor antagonist. Linalool is orally active and crosses the blood-brain barrier. Linalool has anticancer, antibacterial, anti-inflammatory, neuroprotective, anxiolytic, antidepressant, anti-stress, cardioprotective, hepatoprotective, nephroprotective and pulmonary protective activities .

HY-113416AS

Dehydroepiandrosterone sulfate-d6 sodium dihydrate

Dehydroepiandrosterone sulfate sodium dihydrate-d₆ sodium dihydrate is the deuterium labeled Dehydroepiandrosterone sulfate sodium dihydrate. Dehydroepiandrosterone sulfate (DHEA sulfate; Prasterone sulfate) sodium dihydrate is a neurosteroid and the main secretion product of the adrenal gland. Dehydroepiandrosterone sulfate sodium dihydrate has both non-competitive antagonist activity of GABA_A receptor and agonist activity of σ₁ receptor. Dehydroepiandrosterone sulfate sodium dihydrate can partially penetrate the blood-brain barrier, inhibit GABA_A receptor-mediated chloride influx, enhance NMDA receptor activity through σ₁ receptors, exert anti-inflammatory, anti-glucocorticoid and antidepressant effects, and increase convulsive sensitivity. Dehydroepiandrosterone sulfate sodium dihydrate participates in neuroprotection, neurite growth regulation and catecholamine secretion regulation, and can be used in the study of depression, post-traumatic stress disorder (PTSD), Alzheimer's disease, etc. Dehydroepiandrosterone sulfate sodium dihydrate may also be a biomarker for cardiovascular disease mortality, and its concentration is independently and negatively correlated with mortality .

HY-N0368S1

Linalool-13C3

Linalool- ¹³C₃ is ¹³C labeled Linalool (HY-N0368). Linalool is a natural monoterpene which is a competitive NMDA receptor antagonist. Linalool is orally active and crosses the blood-brain barrier. Linalool has anticancer, antibacterial, anti-inflammatory, neuroprotective, anxiolytic, antidepressant, anti-stress, cardioprotective, hepatoprotective, nephroprotective and pulmonary protective activities .

HY-B0369AS

Orphenadrine-d3 citrate
Orphenadrine-d₃ (citrate) is the deuterium labeled Orphenadrine citrate. Orphenadrine citrate is a NMDA receptor antagonist with Ki of 6.0 +/- 0.7 μM, HERG potassium channel blocker.

HY-B1270S

Isoxsuprine-d6 hydrochloride
Isoxsuprine-d₆ (hydrochloride) is the deuterium labeled Isoxsuprine hydrochloride. Isoxsuprine hydrochloride is a beta-adrenergic receptor agonist with Kis of 13.65 μΜ and 3.48 μΜ for myometrial and placcntal beta-adrenergic receptor, respectively. Isoxsuprine hydrochloride is also a NMDA receptor antagonist.

HY-124463S1

Epiallopregnanolone-d5
Epiallopregnanolone-d₅ (5α,3β-THDOC-d₅) is deuterium labeled Epiallopregnanolone. Epiallopregnanolone (5α,3β-THDOC), a 3β-hydroxy neurosteroid, an antagonist at GABAA receptors and a **NMDA receptor** enhancer .

HY-B1487S1

Procyclidine-d5

Procyclidine-d₅ (Tricyclamol-d₅) is deuterium labeled Procyclidine (hydrochloride). Procyclidine (Tricyclamol, (±)-Procyclidine) hydrochloride , an anticholinergic agent, is a muscarinic receptor antagonist that also has the properties of an N-methyl-D-aspartate (NMDA) antagonist. Procyclidine hydrochloride can be used in studies of Parkinson's disease and related psychiatric disorders such as Soman-induced epilepsy .

HY-B1283S

Mephenesin-d3
Mephenesin-d₃ is deuterium labeled Mephenesin. Mephenesin is an **NMDA receptor** antagonist. Mephenesin is also a central muscle relaxant with antianxiety, muscle-paralyzing and anticonvulsant effects. Mephenesin acts directly on the skeletal muscle fibres to produce skeletal muscle relaxation. Mephenesin is promising for research of spasticity or painful muscle spasm .

HY-B1126S

Orphenadrine-d3 hydrochloride

Orphenadrine-d₃ (hydrochloride) is the deuterium labeled Orphenadrine hydrochloride . Orphenadrine hydrochloride is an orally active and non-competitive NMDA receptor antagonist (crosses the blood-brain barrier) with a K_i of 6.0 μM. Orphenadrine hydrochloride relieves stiffness, pain and discomfort due to muscle strains, sprains or other injuries. Orphenadrine hydrochloride is also used to relieve tremors associated with parkinson's disease. Orphenadrine citrate has good neuroprotective properties, can be used in studies of neurodegenerative diseases .

HY-W010410S

Oct-1-en-3-ol-d3

Oct-1-en-3-ol-d₃ is deuterated labeled Linalool (HY-N0368). Linalool is a natural monoterpene which is a competitive NMDA receptor antagonist. Linalool is orally active and crosses the blood-brain barrier. Linalool has anticancer, antibacterial, anti-inflammatory, neuroprotective, anxiolytic, antidepressant, anti-stress, cardioprotective, hepatoprotective, nephroprotective and pulmonary protective activities .

HY-W014504S1

DL-Kynurenine-d7

DL-Kynurenine-d₇ is the deuterium labeled DL-Kynurenine. DL-Kynurenine is a key metabolite in the tryptophan metabolic pathway and can cross the blood-brain barrier. DL-Kynurenine has a bidirectional regulatory effect on neural excitability. DL-Kynurenine can enhance the convulsive and lethal effects caused by strychnine. DL-Kynurenine is the precursor of Kynurenic acid (HY-100806), which is an antagonist at the glycine site of NMDA receptors and can counteract excitatory toxins. DL-Kynurenine can be used for research on neurotoxicity.

HY-17387S1

(-)-Huperzine A-d4 hydrochloride

(-)-Huperzine A-d₄ hydrochloride is deuterated labeled (-)-Huperzine A (HY-17387). (-)-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-W045132S

N-Desbutyl bupivacaine-d6
N-Desbutyl bupivacaine-d₆ (Desbutylbupivacaine-d₆) is the deuterium labeled N-Desbutyl Bupivacaine (HY-W045132). N-Desbutyl Bupivacaine (compound 100) is a metabolite of Bupivacaine (HY-B0405), an NMDA receptor inhibitor and SCN5A antagonist .

HY-W709349S

Flupirtine-d6 hydrochloride

Flupirtine-d₆ (D 9998-d₆) hydrochloride is the deuterium labeled Flupirtine hydrochloride (HY-W709349). Flupirtine hydrochloride is an orally active, blood-brain barrier-crossing non-opioid analgesic and neuroprotective agent. Flupirtine hydrochloride is a neuronal potassium channel opener (Kv7 activator), a NMDA receptor antagonist and a GABA receptor activator. Flupirtine hydrochloride stabilizes blood-brain-barrier integrity, reduces oxidative stress and brain leukocyte infiltration, enhances angioneurogenesis, suppresses calcium influx, stabilizes neuronal resting membrane potential, and counteracts focal cerebral ischemia. Flupirtine hydrochloride exhibits analgesic, muscle relaxant properties, protects neurons from excitotoxic, ischemic, or cytokine-mediated death. Flupirtine hydrochloride functions as a non-opioid analgesic without antipyretic or antiphlogistic properties, shows no relevant affinity to opiate receptor. Flupirtine hydrochloride can be used for the research of focal cerebral ischemia, pain, Alzheimer’s disease, or multiple sclerosis .

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