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Results for "

MAO-A/B

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Monoamine Oxidase (99) 5-HT Receptor (1) Amyloid-β (8) Androgen Receptor (1) Antibiotic (5) Apoptosis (5) Autophagy (2) Bacterial (8) Bcl-2 Family (3) Caspase (1) Cholinesterase (ChE) (10) COMT (7) Cytochrome P450 (3) DNA/RNA Synthesis (3) Dopamine Receptor (4) Drug Derivative (1) Endogenous Metabolite (5) Enterovirus (3) Environmental Pollutants (1) ERK (2) Ferroptosis (1) Fluorescent Dye (1) GABA Receptor (2) Glutathione Peroxidase (1) Histone Demethylase (18) HSV (2) IAP (1) Isotope-Labeled Compounds (8) JNK (2) mGluR (4) MMP (2) NF-κB (3) Parasite (1) PARP (2) PD-1/PD-L1 (1) PI3K (1) Reactive Oxygen Species (ROS) (6) Reference Standards (18) Survivin (2) Tau Protein (4) TLK (1) TNF Receptor (3)
By Research Areas:	Cancer (40) Cardiovascular Disease (8) Endocrinology (3) Infection (17) Inflammation/Immunology (18) Metabolic Disease (3) Neurological Disease (84)
Click Chemistry:	Alkynes (5)

121

Inhibitors & Agonists

Fluorescent Dyes

Natural
Products

Isotope-Labeled Compounds

Click Chemistry

Targets Recommended: Monoamine Oxidase

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-N0529

Rosmarinic acid Maximum Cited Publications 17 Publications Verification Labiatenic acid	Monoamine Oxidase COMT Apoptosis Endogenous Metabolite	Cancer
Rosmarinic acid is a widespread phenolic ester compound in the plants. Rosmarinic acid inhibits *MAO-A, MAO-B* and COMT enzymes with IC₅₀s of 50.1, 184.6 and 26.7 μM, respectively.

HY-N0159

Paeonol 10+ Cited Publications	Monoamine Oxidase Autophagy	Neurological Disease Cancer
Paeonol is an active extraction from the root of Paeonia suffruticosa, Paeonol inhibits *MAO-A* and *MAO-B* with IC₅₀ of 54.6 μM and 42.5 μM, respectively.

HY-14199

Selegiline hydrochloride 5+ Cited Publications Deprenyl hydrochloride; (-)-Selegiline hydrochloride; (-)-Deprenyl hydrochloride	Monoamine Oxidase	Neurological Disease
Selegiline (Deprenyl) hydrochloride is a potent, selective and irreversible inhibitor of *MAO-B, with an IC₅₀* of 51 nM. Selegiline hydrochloride exhibits 450-flod selectivity for MAO-B over MAO-A (IC₅₀=23 μM). Selegiline hydrochloride can be used for the research of Parkinson's disease, Alzheimer's disease and major depressive disorder .

HY-A0091A

Pargyline 3 Publications Verification	Monoamine Oxidase	Cardiovascular Disease Cancer
Pargyline is an irreversible monoamine oxidase (MAO) inhibitor with K_is of 13 μM and 0.5 μM for *MAO-A* and *MAO-B*, respectively. Pargyline has antihypertensive and anticancer activities . Pargyline is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-W008566

Norharmane Norharman; β-Carboline	Monoamine Oxidase Endogenous Metabolite	Infection Neurological Disease Cancer
Norharmane (Norharman), a β-carboline alkaloid, is a potent and reversible monoamine oxidase inhibitor, with IC₅₀ values of 6.5 and 4.7 μM for *MAO-A* and *MAO-B, respectively. Norharmane causes antidepressant responses. Norharmane is also a prospective anti-cancer photosensitizer. Norharmane alters polar auxin transport (PAT) by inhibiting PIN2, PIN3 and PIN7 transport proteins, thus causing a significant inhibitory effect on the growth of Arabidopsis thaliana* seedlings .

HY-129388B

Pulrodemstat benzenesulfonate 4 Publications Verification CC-90011 benzenesulfonate; LSD1-IN-7 benzenesulfonate	Histone Demethylase	Inflammation/Immunology Cancer
Pulrodemstat (CC-90011) benzenesulfonate is a potent, selective, reversible and orally active inhibitor of lysine specific demethylase-1 (LSD1) with an IC₅₀ of 0.25 nM. Pulrodemstat benzenesulfonate is less enzymatic inhibition against LSD2, MAO-A, and MAO-B. Pulrodemstat benzenesulfonate induces acute myeloid leukemia (AML) and small cell lung cancer (SCLC) cells differentiation and has potent anticancer activity .

HY-70057

Safinamide 2 Publications Verification FCE 26743; EMD 1195686	Monoamine Oxidase	Neurological Disease
Safinamide is a potent, selective, and reversible monoamine oxidase B (MAO-B) inhibitor (IC₅₀=0.098 μM) over MAO-A (IC₅₀=580 μM) . Safinamide also blocks sodium channels and modulates glutamate (Glu) release, showing a greater affinity at depolarized (IC₅₀=8 μM) than at resting (IC₅₀=262 μM) potentials. Safinamide has neuroprotective and neurorescuing effects and can be used for the study of parkinson disease, ischemia stroke etc.al .

HY-D0004

Azure B Azure B chloride	Monoamine Oxidase	Neurological Disease
Azure B is a cationic dye and the major metabolite of Methylene blue. Azure B is used in making Azure eosin stains for blood smear staining. Azure B is a high-potency, selective and reversible inhibitor of monoamine oxidases (MAO)-A, with IC₅₀s of 11 and 968 nM for recombinant human MAO-A and MAO-B, respectively. Azure B possesses significant antidepressant-like effects .

HY-A0091

Pargyline hydrochloride 3 Publications Verification	Monoamine Oxidase	Cardiovascular Disease Cancer
Pargyline hydrochloride is an irreversible monoamine oxidase (MAO) inhibitor with K_is of 13 μM and 0.5 μM for *MAO-A* and *MAO-B*, respectively. Pargyline hydrochloride has antihypertensive and anticancer activities . Pargyline (hydrochloride) is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-14855B

Tedizolid phosphate 3 Publications Verification TR-701FA	Bacterial Antibiotic Monoamine Oxidase	Infection
Tedizolid phosphate (TR-701FA) is a *MAO-A* and *MAO-B* inhibitor with activity against Gram-positive bacteria .

HY-70057A

Safinamide mesylate 2 Publications Verification FCE 26743 mesylate; EMD 1195686 mesylate	Monoamine Oxidase	Cardiovascular Disease Neurological Disease
Safinamide (FCE 26743; EMD 1195686) mesylate is a potent, selective, and reversible monoamine oxidase B (MAO-B) inhibitor (IC₅₀=0.098 μM) over MAO-A (IC₅₀=580 nM) . Safinamide mesylate also blocks sodium channels and modulates glutamate (Glu) release, showing a greater affinity at depolarized (IC₅₀=8?μM) than at resting (IC₅₀=262?μM) potentials. Safinamide mesylate has neuroprotective and neurorescuing effects and can be used for the study of parkinson disease, ischemia stroke et.al .

HY-16677A

Mofegiline hydrochloride MDL72974A	Monoamine Oxidase	Neurological Disease
Mofegiline hydrochloride (MDL72974A) is an orally active and selective enzyme-activated irreversible inhibitor of *MAO-B, with marked selectivity on the MAO-B* over *MAO-A* with IC₅₀s of 3.6 nM (MAO-B) and 680 nM (MAO-A), respectively. Mofegiline hydrochloride is also an inhibitor of semicarbazide-sensitive amine oxidase (SSAO) .

HY-14198

Selegiline Deprenyl; (-)-Selegiline; (-)-Deprenyl	Monoamine Oxidase	Neurological Disease
Selegiline (Deprenyl) is a potent, selective and irreversible inhibitor of *MAO-B, with an IC₅₀* of 51 nM. Selegiline exhibits 450-flod selectivity for MAO-B over MAO-A (IC₅₀=23 μM). Selegiline can be used for the research of Parkinson's disease, Alzheimer's disease and major depressive disorder .

HY-N0529R

Rosmarinic acid (Standard) 1 Publications Verification Labiatenic acid (Standard)	Reference Standards Monoamine Oxidase COMT Apoptosis Endogenous Metabolite	Cancer
Rosmarinic acid (Standard) is the analytical standard of Rosmarinic acid. This product is intended for research and analytical applications. Rosmarinic acid is a widespread phenolic ester compound in the plants. Rosmarinic acid inhibits MAO-A, MAO-B and COMT enzymes with IC₅₀s of 50.1, 184.6 and 26.7 μM, respectively.

HY-19333

OG-L002 2 Publications Verification	Histone Demethylase Monoamine Oxidase HSV	Infection
OG-L002 is a potent and highly selective LSD1 inhibitor with an IC₅₀ of 0.02 μM. OG-L002 is a potent monoamine oxidases (MAO) inhibitor with IC₅₀s of 1.38 μM and 0.72 μM for MAO-A and MAO-B, respectively. OG-L002 potently inhibits the expression of HSV IE genes .

HY-110130

RN-1 dihydrochloride	Histone Demethylase	Cardiovascular Disease Cancer
RN-1 dihydrochloride is a potent, brain-penetrant, irreversible and selective lysine-specific demethylase 1 (LSD1) inhibitor with an IC₅₀ of 70 nM. RN-1 dihydrochloride exhibits selectivity for LSD1 over MAO-A and MAO-B with IC₅₀ values of 0.51 μM and 2.785 μM respectively .

HY-14201

Lazabemide Ro 19-6327	Monoamine Oxidase	Neurological Disease
Lazabemide (Ro 19-6327) is a selective, reversible inhibitor of monoamine oxidase B (MAO-B) (IC₅₀=0.03 μM) but less active for MAO-A (IC₅₀>100 μM). Lazabemide ?inhibits monoamine uptake at high concentrations, the IC₅₀ values are 86 μM, 123 μM and >500 μM for noradrenalin, serotonin and dopamine uptake, respectively. Lazabemide can be used for the research of parkinson and?alzheimer′s disease .

HY-100679

Pirlindole	Monoamine Oxidase Enterovirus	Infection Neurological Disease
Pirlindole is a selective and reversible *MAO-A* inhibitor . Pirlindole is also an inhibitor of enterovirus-D68 and coxsackievirus B3 (CV-B3) .

HY-14197

Clorgyline 5+ Cited Publications M&B 9302	Monoamine Oxidase	Neurological Disease
Clorgyline (M&B 9302) is an orally active, blood-brain barrier permeable and selective monoamine oxidase A (MAO-A) inhibitor. Clorgyline's selective inhibition of *MAO-A* leads to reduced metabolism of neurotransmitters such as serotonin (5-hydroxytryptamine), which accumulates in the brain. Clorgyline can be used in the study of depression and neurodegenerative diseases .

HY-100588

VU0364770	mGluR	Neurological Disease
VU0364770 is a selective and potent positive allosteric modulator (PAM) of mGlu4. VU0346770 exhibits EC₅₀s of 290 nM and 1.1 μM at rat mGlu4 and human mGlu4 receptor, respectively. VU0364770 exhibits antagonist activity at mGlu5 with a potency of 17.9 μM and PAM activity at mGlu6 with a potency of 6.8 μM. VU0364770 also possesses activity at MAO with K_i values of 8.5 and 0.72 μM for human MAO-A and human MAO-B, respectively .

HY-N0159R

Paeonol (Standard)	Reference Standards Monoamine Oxidase Autophagy	Neurological Disease Cancer
Paeonol (Standard) is the analytical standard of Paeonol. This product is intended for research and analytical applications. Paeonol is an active extraction from the root of Paeonia suffruticosa, Paeonol inhibits MAO-A and MAO-B with IC₅₀ of 54.6 μM and 42.5 μM, respectively.

HY-129388A

Pulrodemstat 4 Publications Verification CC-90011; LSD1-IN-7	Histone Demethylase	Inflammation/Immunology Cancer
Pulrodemstat (CC-90011) is a potent, selective, reversible and orally active inhibitor of lysine specific demethylase-1 (LSD1) with an IC₅₀ of 0.25 nM. Pulrodemstat is less enzymatic inhibition against LSD2, MAO-A, and MAO-B. Pulrodemstat induces acute myeloid leukemia (AML) and small cell lung cancer (SCLC) cells differentiation and has potent anticancer activity .

HY-W655727

(-)-2-Phenylpropylamine (S)-2-Phenylpropylamine	Monoamine Oxidase	Neurological Disease
(-)-2-Phenylpropylamine ((S)-2-Phenylpropylamine) (compound 3b) is a *MAO-A* and *MAO-B* inhibitor with K_i values of 584 μM and 156 μM, respectively .

HY-15386

Cimoxatone MD 780515	Monoamine Oxidase	Metabolic Disease
Cimoxatone (MD 780515) is a reversible, selectively and orally active type A monoamine oxidase (MAO-A) inhibitor. Cimoxatone enhances the anorectic action of Serotonin (HY-B1473A) .

HY-B1558A

Bifemelane hydrochloride 2 Publications Verification MCI-2016	Monoamine Oxidase	Neurological Disease
Bifemelane hydrochloride (MCI-2016) is a potent, selective and competitive inhibitor of monoamine oxidase A (MAO-A), with a K_i of 4.20 μM. Bifemelane hydrochloride also inhibits *MAO-B* noncompetitively with a K_i of 46.0 μM. Bifemelane hydrochloride has a potent antidepressant activity and can be used for the research of cognitive and emotional disturbances related to cerebrovascular disease .

HY-100679A

Pirlindole mesylate	Monoamine Oxidase Enterovirus	Infection Endocrinology
Pirlindole mesylate is a selective and reversible *MAO-A* inhibitor. Pirlindole is also an inhibitor of enterovirus-D68 and coxsackievirus B3 (CV-B3) .

HY-W010130

7-Hydroxy-3,4-dihydro-2(1H)-quinolinone 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone	Monoamine Oxidase	Neurological Disease
7-Hydroxy- 3, 4- dihydro- 2(1H) - quinolinone (3,4-Dihydro-7-hydroxy-2(1H)-quinolinone) is a weak *MAO-A* inhibitor, with an IC₅₀ of 183 μM, and has no effect on MAO-B .

HY-14202

Lazabemide hydrochloride Ro 19-6327 hydrochloride	Monoamine Oxidase	Neurological Disease
Lazabemide hydrochloride (Ro 19-6327 hydrochloride) is a selective, reversible inhibitor of monoamine oxidase B (MAO-B) (IC₅₀=0.03 μM) but less active for MAO-A (IC₅₀>100 μM). Lazabemide inhibits monoamine uptake at high concentrations, the IC₅₀ values are 86 μM, 123 μM and >500 μM for noradrenalin, serotonin and dopamine uptake, respectively. Lazabemide can be used for the research of parkinson and alzheimer′s disease .

HY-176271

MAO-B-IN-45	Ferroptosis Monoamine Oxidase Glutathione Peroxidase Reactive Oxygen Species (ROS) Tau Protein Amyloid-β	Neurological Disease
MAO-B-IN-45 is a dual inhibitor of ferroptosis and *MAO-B. MAO-B-IN-45 shows selectivity towards MAO-B* with an IC₅₀ of 87.47 nM and selectivity exceeding 229-fold for *MAO-B* over MAO-A. MAO-B-IN-45 has excellent antiferroptosis activity through modulation of the iron metabolic pathway and GSH-GPX4 axis in vitro. MAO-B-IN-45 improves cognitive and behavioral impairments in 3×Tg (APP/Tau/Ps1) AD mouse and significantly reduced the levels of ferritin heavy chain 1 (FTH1), APP, and Tau phosphorylation (p-Tau) proteins in the brain.

HY-70057S1

Safinamide-d4-1 FCE 26743-d₄-1; EMD 1195686-d₄-1	Isotope-Labeled Compounds Monoamine Oxidase	Neurological Disease
Safinamide-d₄-1 is deuterium labeled Safinamide. Safinamide is a potent, selective, and reversible monoamine oxidase B (MAO-B) inhibitor (IC₅₀=0.098 μM) over MAO-A (IC₅₀=580 μM) . Safinamide also blocks sodium channels and modulates glutamate (Glu) release, showing a greater affinity at depolarized (IC₅₀=8?μM) than at resting (IC₅₀=262?μM) potentials. Safinamide has neuroprotective and neurorescuing effects and can be used for the study of parkinson disease, ischemia stroke etc.al .

HY-B1018AS

Phenelzine-d5 sulfate	Isotope-Labeled Compounds Monoamine Oxidase GABA Receptor Histone Demethylase	Cardiovascular Disease Neurological Disease Metabolic Disease Inflammation/Immunology Cancer
Phenelzine-d5 sulfate is the deuterium labeled Phenelzine sulfate (HY-B1018A). Phenelzine sulfate, an antidepressant agent, is an irreversible and orally active monoamine oxidase (MAO-A and MAO-B) inhibitor. Phenelzine sulfate inhibits GABA transaminase and primary amine oxidase (PrAO), and sequester reactive aldehydes. Phenelzine sulfate also inhibits LSD1 (Ki: 5.6 μM) and suppresses oxidative stress and lipogenesis. Phenelzine sulfate elevates neurotransmitters (serotonin, norepinephrine, dopamine). Phenelzine sulfate is studied in neurological, metabolic and cancer diseases for depression and anxiety disorders, stroke, spinal cord injury, traumatic brain injury, multiple sclerosis, Parkinson’s disease, Alzheimer’s disease, inflammatory pain, obesity and prostate cancer .

HY-156255

MAO-B-IN-25	Monoamine Oxidase	Neurological Disease
MAO-B-IN-25 (compound 92) is a selective *MAO-B* inhibitor with IC₅₀s of 0.5 nM and 240 nM for MAO-A and MAO-B, respectively .

HY-D0004R

Azure B (Standard) Azure B chloride (Standard)	Reference Standards Monoamine Oxidase	Neurological Disease
Azure B (Standard) is the analytical standard of Azure B. This product is intended for research and analytical applications. Azure B is a cationic dye and the major metabolite of Methylene blue. Azure B is used in making Azure eosin stains for blood smear staining. Azure B is a high-potency, selective and reversible inhibitor of monoamine oxidases (MAO)-A, with IC50s of 11 and 968 nM for recombinant human MAO-A and MAO-B, respectively. Azure B possesses significant antidepressant-like effects .

HY-157982

BChE-IN-28	Cholinesterase (ChE)	Neurological Disease
BChE-IN-28 (compound 6J) is a selective butyrylcholinesterase (BChE) inhibitor with an IC₅₀ of 8 nM and a K_i of 12.16 nM. BChE-IN-28 shows the lower inhibition against AChE, MAO-A and MAO-B .

HY-121072

ASS234	Monoamine Oxidase Cholinesterase (ChE)	Neurological Disease
ASS234 is a potent monoamino oxidase (MAO) inhibitor with IC₅₀s of 5.2 nM and 43 nM for MAO-A and MAO-B, respectively. ASS234 also inhibits AChE and BuChE with IC₅₀s of 350 nM and 460 nM, respectively .

HY-101578

2614W94	Monoamine Oxidase	Neurological Disease
2614W94 is a selective, reversible and orally active monoamine oxidase-A (MAO-A) inhibitor with an IC₅₀ of 5 nM and a K_i of 1.6 nM. 2614W94 shows no significant inhibition of MAO-B. 2614W94 has antidepressant and anxiolytic effects .

HY-W018475

Rizatriptan MK 462 free base	5-HT Receptor	Neurological Disease
Rizatriptan (MK 462 free base) is an orally active 5-HT_1B/5-HT_1D receptor agonist, with BBB permeability. Rizatriptan exerts significant anti-migraine effects by constricting intracranial and extracranial blood vessels and inhibiting neuropeptide release. Rizatriptan exhibits species- and tissue-specific metabolic characteristics; for example, it undergoes oxidative deamination mainly by *MAO-A* in the liver of brown rats, so co-administration with *MAO-A* inhibitors is prohibited. Rizatriptan may also exacerbate nitroglycerin-induced cutaneous allodynia, prolong the duration of central sensitization, and increase anxiety-like behavior and active drug-seeking behavior in mice. Rizatriptan has been widely used in studies related to migraine and medication-overuse headache .

HY-129388C

Pulrodemstat hydrochloride CC-90011 hydrochloride; LSD1-IN-7 hydrochloride	Histone Demethylase	Inflammation/Immunology Cancer
Pulrodemstat (CC-90011) hydrochloride is a potent, selective, reversible and orally active inhibitor of lysine specific demethylase-1 (LSD1) with an IC₅₀ value of 0.25 nM. Pulrodemstat hydrochloride is less enzymatic inhibition against LSD2, MAO-A, and MAO-B. Pulrodemstat hydrochloride induces acute myeloid leukemia (AML) and small cell lung cancer (SCLC) cells differentiation and has potent anticancer activity .

HY-149978

LSD1-IN-26	Histone Demethylase Monoamine Oxidase Apoptosis Bcl-2 Family IAP Caspase	Cancer
LSD1-IN-26 (compound 12u) is a potent LSD1 inhibitor, with an IC₅₀ of 25.3 nM. LSD1-IN-26 also inhibits MAO-A (IC₅₀=1234.57 nM) and MAO-B (IC₅₀=3819.27 nM). LSD1-IN-26 significantly induces apoptosis in MGC-803 cells. LSD1-IN-26 can be used for gastric cancer research .

HY-179126

*BChE/MAO-A-IN-1*	Cholinesterase (ChE) Monoamine Oxidase	Inflammation/Immunology
BChE/MAO-A-IN-1 (compound 7j) is a *BChE/MAO-A* inhibitor. BChE/MAO-A-IN-1 exhibits inhibitory activity against BChE (IC₅₀ = 0.03 nM) and MAO-A (IC₅₀ = 0.32 nM), while also having inhibitory effects on MAO-B. BChE/MAO-A-IN-1 has good anti glycation, antioxidant activity, and low cytotoxicity. BChE/MAO-A-IN-1 can be used in the research of diabetes and Alzheimer's disease .

HY-70057R

Safinamide (Standard) FCE 26743 (Standard); EMD 1195686 (Standard)	Reference Standards Monoamine Oxidase	Neurological Disease
Safinamide (Standard) is the analytical standard of Safinamide. This product is intended for research and analytical applications. Safinamide is a potent, selective, and reversible monoamine oxidase B (MAO-B) inhibitor (IC₅₀=0.098 µM) over MAO-A (IC₅₀=580 µM) . Safinamide also blocks sodium channels and modulates glutamate (Glu) release, showing a greater affinity at depolarized (IC₅₀=8 µM) than at resting (IC₅₀=262 µM) potentials. Safinamide has neuroprotective and neurorescuing effects and can be used for the study of parkinson disease, ischemia stroke etc.al .

HY-176254

LSD1-IN-43	Histone Demethylase Amyloid-β	Neurological Disease
LSD1-IN-43 is a highly selective, reversible, orally active and brain-penetrant LSD1 inhibitor with an IC₅₀ value of 0.8 μM. LSD1-IN-43 has low inhibitory activity against MAO-A and MAO-B, two homologs of LSD1. LSD1-IN-43 significantly inhibits Aβ aggregation and enhances Aβ-induced neuronal cell viability. LSD1-IN-43 can be used for the study of Alzheimer’s disease (AD).

HY-151800

MAO-A/B-IN-2	Monoamine Oxidase	Neurological Disease
MAO-A/B-IN-2 (compound 30) is a *MAO-A/B* inhibitor with IC₅₀ values of 17.8 and 15.8 μM for *MAO-A* and *MAO-B, respectively. MAO*-A/B-IN-2 can be used in the study of neurological disorders .

HY-178149

MAO-A/B-IN-5	Monoamine Oxidase	Neurological Disease
MAO-A/B-IN-5 is an orally active *MAO-A* (IC₅₀ = 73.88 μM) and *MAO-B* (IC₅₀ = 91.08 μM) inhibitor. MAO-A/B-IN-5 reverses Sodium nitroprusside (SNP) (HY-B0564)-induced cerebral lipid peroxidation (IC₅₀ = 130.2 μM) and protein carbonylation (IC₅₀ = 229.8 μM). MAO-A/B-IN-5 shows dose-dependent and time-dependent antidepressant-like efficacy in mice. MAO-A/B-IN-5 can be used for the study of depressive disorder .

HY-162606

MAO-A/B-IN-3	Monoamine Oxidase Cholinesterase (ChE)	Neurological Disease
MAO-A/B-IN-3 (Compound 12) stands out as a key dual *MAO-AChE* inhibitor, displaying excellent multi-target efficacy against *MAO-A, MAO-B, and AChE* with IC₅₀ values of 67 nM, 29 nM, and 1370 nM respectively. MAO-A/B-IN-3 is adept at altering the A site (hydrophobic ring) and C site (semicarbazone chain) within ketone amine-based MTDLs to bolster the inhibitory potential against *MAO-A/B* while notably diminishing activity against AChE. MAO-A/B-IN-3 is poised for research applications in the field of neurodegenerative diseases .

HY-175723

MAO-A/B-IN-4	Bacterial Monoamine Oxidase	Infection
MAO-A/B-IN-4 is an orally active *MAO-A/B* inhibitor, with IC₅₀ values of 51.3 μM and 47.0 μM, respectively. MAO-A/B-IN-4 exhibits potent activity against S. aureus, MSSA, MRSA, LRSA, and LREFa. MAO-A/B-IN-4 demonstrates potent antibacterial efficacy in a mouse model of LRSA peritonitis infection. MAO-A/B-IN-4 can be used for the study of bacterial infections .

HY-163322

MAO-A inhibitor 2	Monoamine Oxidase	Neurological Disease
MAO-A inhibitor 2 (compound HT4) is a monoamine oxidase A (MAO-A) inhibitor with an IC₅₀ of 14.3 µM. MAO-A inhibitor 2 shows a less effect on MAO-B (IC₅₀ of 106 µM) and shows almost ineffective on xanthine oxidase (XO). MAO-A inhibitor 2 can be used for the neurodegenerative disorders and oxidative stress research .

HY-152109

*AChE/MAO-IN-1*	Cholinesterase (ChE) Monoamine Oxidase Amyloid-β	Neurological Disease
AChE/MAO-IN-1 (Compound D28) is a potent AChE, *MAO-A* and *MAO-B* inhibitor with IC₅₀s of 0.0248, 0.0409 and 0.1108 μM against human AChE, MAO-B and MAO-A, respectively .

HY-123665

PSB-1410	Monoamine Oxidase	Neurological Disease
PSB-1410 is a monoamine oxidase B (MAO-B) inhibitor, with an IC₅₀ of 0.227 nM against human *MAO-B* and an IC₅₀ of 1.01 nM against rat *MAO-B*. PSB-1410 can be used for the research of Parkinson's disease .

HY-105041

Tedizolid phosphate sodium TR-701FA sodium	Antibiotic Bacterial Monoamine Oxidase	Infection
Tedizolid phosphate (TR-701FA) sodium is a *MAO-A* and *MAO-B* inhibitor with activity against Gram-positive bacteria .

Cat. No.	Product Name	Type

HY-D0004

Azure B Azure B chloride	Fluorescent Dyes
Azure B is a cationic dye and the major metabolite of Methylene blue. Azure B is used in making Azure eosin stains for blood smear staining. Azure B is a high-potency, selective and reversible inhibitor of monoamine oxidases (MAO)-A, with IC₅₀s of 11 and 968 nM for recombinant human MAO-A and MAO-B, respectively. Azure B possesses significant antidepressant-like effects .

HY-D0004R

Azure B (Standard)

Azure B chloride (Standard)

Fluorescent Dyes

Azure B (Standard) is the analytical standard of Azure B. This product is intended for research and analytical applications. Azure B is a cationic dye and the major metabolite of Methylene blue. Azure B is used in making Azure eosin stains for blood smear staining. Azure B is a high-potency, selective and reversible inhibitor of monoamine oxidases (MAO)-A, with IC50s of 11 and 968 nM for recombinant human MAO-A and MAO-B, respectively. Azure B possesses significant antidepressant-like effects .

HY-D3221

MAO Probe 1

Fluorescent Dyes

MAO Probe 1 is a reactive two-photon fluorescent probe capable of crossing the blood-brain barrier, which is used to detect the activity of monoamine oxidases (MAO-A/MAO-B), with K_m values of 70 μM (MAO-A) and 75 μM (MAO-B), respectively. IBC 2 (benzo[g]imino-coumarin 2), the enzymatic product of MAO Probe 1, can further specifically bind to and image Aβ plaques, enabling in vivo two-photon co-monitoring of MAO activity and Aβ plaques. MAO Probe 1 can be used in Alzheimer's disease research (IBC 2: Ex/Em = 850 nm/570-620 nm) .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-N0529

Rosmarinic acid Maximum Cited Publications 17 Publications Verification Labiatenic acid	Classification of Application Fields Paramacrolobium coeruleum (Taub.) J.Léonard Labiatae Other Phenylpropanoids Phenylpropanoids Plants Endogenous metabolite Disease Research Fields Source Classification Cancer	Monoamine Oxidase COMT Apoptosis Endogenous Metabolite
Rosmarinic acid is a widespread phenolic ester compound in the plants. Rosmarinic acid inhibits *MAO-A, MAO-B* and COMT enzymes with IC₅₀s of 50.1, 184.6 and 26.7 μM, respectively.

HY-N0159

Paeonol 10+ Cited Publications	Monophenols Neurological Disease Classification of Application Fields Phenols Plants Paeoniaceae Disease Research Fields Paeonia suffruticosa Andr. Source Classification Cancer	Monoamine Oxidase Autophagy
Paeonol is an active extraction from the root of Paeonia suffruticosa, Paeonol inhibits *MAO-A* and *MAO-B* with IC₅₀ of 54.6 μM and 42.5 μM, respectively.

HY-W008566

Norharmane Norharman; β-Carboline	Neurological Disease Classification of Application Fields Pyridine Alkaloids Endogenous metabolite Biological Pesticide Research Indole Alkaloids Agricultural Research Infection Alkaloids Microorganisms Disease Research Fields Source Classification Cancer	Monoamine Oxidase Endogenous Metabolite
Norharmane (Norharman), a β-carboline alkaloid, is a potent and reversible monoamine oxidase inhibitor, with IC₅₀ values of 6.5 and 4.7 μM for *MAO-A* and *MAO-B, respectively. Norharmane causes antidepressant responses. Norharmane is also a prospective anti-cancer photosensitizer. Norharmane alters polar auxin transport (PAT) by inhibiting PIN2, PIN3 and PIN7 transport proteins, thus causing a significant inhibitory effect on the growth of Arabidopsis thaliana* seedlings .

HY-N0529R

Rosmarinic acid (Standard) 1 Publications Verification Labiatenic acid (Standard)	Structural Classification Paramacrolobium coeruleum (Taub.) J.Léonard Labiatae Other Phenylpropanoids Phenylpropanoids Plants Endogenous metabolite Source Classification	Reference Standards Monoamine Oxidase COMT Apoptosis Endogenous Metabolite
Rosmarinic acid (Standard) is the analytical standard of Rosmarinic acid. This product is intended for research and analytical applications. Rosmarinic acid is a widespread phenolic ester compound in the plants. Rosmarinic acid inhibits MAO-A, MAO-B and COMT enzymes with IC₅₀s of 50.1, 184.6 and 26.7 μM, respectively.

HY-N0159R

Paeonol (Standard)	Structural Classification Monophenols Phenols Plants Paeoniaceae Paeonia suffruticosa Andr. Source Classification	Reference Standards Monoamine Oxidase Autophagy
Paeonol (Standard) is the analytical standard of Paeonol. This product is intended for research and analytical applications. Paeonol is an active extraction from the root of Paeonia suffruticosa, Paeonol inhibits MAO-A and MAO-B with IC₅₀ of 54.6 μM and 42.5 μM, respectively.

HY-N12134

Methyl piperate	Piper longum Linn. Structural Classification Natural Products Piperaceae Plants Source Classification	Monoamine Oxidase
Methylpiperic acid is a piperine alkaloid with significant MAO inhibitory activity (IC₅₀3.6 μM). Methylpiperic acid is less effective against MAO-B (IC 501.6 μM) than MAO-A (IC₅₀27.1 μM) has a bidirectional inhibitory effect. Methylphenidate is used to research mental disorders .

HY-N13041

Acacetin 7-O-(6-O-malonylglucoside)	Flavonoids Flavones Ligularia veitchiana (Hemsl.) Greenm. Labiatae Plants Source Classification	Monoamine Oxidase
Acacetin 7-O-(6-O-malonylglucoside) is a monoamine oxidase inhibitor with strong inhibitory effects on monoamine oxidase A (MAO-A) and monoamine oxidase B (MAO-B) with IC₅₀ values of 2.34 and 1.87 μM, respectively. Acacetin 7-O-(6-O-malonylglucoside) is a reversible *MAO* inhibitor that can be used in the research of neurodegenerative diseases and affective disorders .

HY-N1638

1-Methyl-2-undecyl-4(1H)-quinolone	Alkaloids Evodia rutaecarpa (Juss.) Benth. Rutaceae Quinoline Alkaloids Plants Source Classification	Monoamine Oxidase
1-Methyl-2-undecyl-4(1H)-quinolone is a potent, irreversible and selective inhibitor of type B monoamine oxidase (MAO-B). 1-Methyl-2-undecyl-4(1H)-quinolone shows a selective inhibition of *MAO-B* activity with the IC₅₀ and K_i values of 15.3 μM and 9.91 μM, respectively, but did not inhibit type A MAO (MAO-A) activity. Methyl-2-undecyl-4(1H)-quinolone, as a quinolone alkaloid, is isolated from fresh leaves and fruits of Evodia rutaecarpa HOOK. f. et THOMS .

HY-134664

8α-(2-Methylacryloyloxy)-hirsutinolide-13-O-acetate	Terpenoids Sesquiterpenes Plants Compositae Source Classification Vachellia nilotica (L.) P. J. H. Hurter & Mabb.	Cytochrome P450 Monoamine Oxidase
8α-(2-Methylacryloyloxy)-hirsutinolide-13-O-acetate is an irreversible CYP2A6 inhibitor with IC₅₀s of 8.64 μM and 22.3 μM with pre-incubation and co-incubaition, respectively. 8α-(2-Methylacryloyloxy)-hirsutinolide-13-O-acetate also inhibits *MAO-A* and *MAO-B* with IC₅₀s of 60.2 and 38.6 μM, respectively .

HY-W008566R

Norharmane (Standard) Norharman (Standard); β-Carboline (Standard)	Alkaloids Structural Classification Microorganisms Pyridine Alkaloids Endogenous metabolite Indole Alkaloids Source Classification	Reference Standards Monoamine Oxidase Endogenous Metabolite
Norharmane (Standard) is the analytical standard of Norharmane. This product is intended for research and analytical applications. Norharmane (Norharman), a β-carboline alkaloid, is a potent and reversible monoamine oxidase inhibitor, with IC50 values of 6.5 and 4.7 μM for MAO-A and MAO-B, respectively. Norharmane causes antidepressant responses. Norharmane is also a prospective anti-cancer photosensitizer. Norharmane alters polar auxin transport (PAT) by inhibiting PIN2, PIN3 and PIN7 transport proteins, thus causing a significant inhibitory effect on the growth of Arabidopsis thaliana seedlings .

Cat. No.	Product Name	Chemical Structure

HY-W015490S

1,4-Naphthoquinone-d6

1,4-Naphthoquinone-d₆ is the deuterium labeled 1,4-Naphthoquinone. 1,4-Naphthoquinone is an inhibitor with broad-spectrum inhibitory activity targeting DNA polymerase, NF-κB and monoamine oxidase (MAO-A/B), with antibacterial and anti-biofilm efficacy. 1,4-Naphthoquinone is a competitive inhibitor of MAO-B (Ki=1.4 μM) and a non-competitive inhibitor of MAO-A (Ki=7.7 μM). 1,4-Naphthoquinone inhibits DNA polymerase pol α, β, γ, δ, ε, λ with IC₅₀ ranging from 5.57-128 μM. 1,4-Naphthoquinone inhibits tumor cell proliferation, induces apoptosis and necrosis, and has anti-angiogenic and anti-inflammatory activities by inducing oxidative stress, depleting glutathione (GSH), inhibiting DNA polymerase-mediated DNA synthesis and blocking NF-κB nuclear translocation. 1,4-Naphthoquinone can be used in anti-bacterial , anti-tumor and anti-inflammatory studies, including inhibition of melanoma and colon cancer cell growth and endothelial cell function, as well as LPS-induced inflammation models .

HY-14280S

Entacapone-d10

Entacapone-d₁₀ is the deuterium labeled Entacapone. Entacapone is a potent, reversible, peripherally acting and orally active catechol-O-methyltransferase (COMT) inhibitor. Entacapone inhibits COMT from rat brain, erythrocytes and liver with IC₅₀ values of 10 nM, 20 nM, and 160 nM, respectively. Entacapone is selective for COMT over other catecholamine metabolizing enzymes, including MAO-A, MAO-B, phenolsulphotransferase M (PST-M) and PST-P (IC₅₀s>50 μM). Entacapone can be used for the research of Parkinson's disease . Entacapone serves as a inhibitor of FTO demethylation with an IC₅₀ of 3.5 μM, can be used for the research of metabolic disorders .

HY-70057S1

Safinamide-d4-1

Safinamide-d₄-1 is deuterium labeled Safinamide. Safinamide is a potent, selective, and reversible monoamine oxidase B (MAO-B) inhibitor (IC₅₀=0.098 μM) over MAO-A (IC₅₀=580 μM) . Safinamide also blocks sodium channels and modulates glutamate (Glu) release, showing a greater affinity at depolarized (IC₅₀=8?μM) than at resting (IC₅₀=262?μM) potentials. Safinamide has neuroprotective and neurorescuing effects and can be used for the study of parkinson disease, ischemia stroke etc.al .

HY-B1018AS

Phenelzine-d5 sulfate

Phenelzine-d5 sulfate is the deuterium labeled Phenelzine sulfate (HY-B1018A). Phenelzine sulfate, an antidepressant agent, is an irreversible and orally active monoamine oxidase (MAO-A and MAO-B) inhibitor. Phenelzine sulfate inhibits GABA transaminase and primary amine oxidase (PrAO), and sequester reactive aldehydes. Phenelzine sulfate also inhibits LSD1 (Ki: 5.6 μM) and suppresses oxidative stress and lipogenesis. Phenelzine sulfate elevates neurotransmitters (serotonin, norepinephrine, dopamine). Phenelzine sulfate is studied in neurological, metabolic and cancer diseases for depression and anxiety disorders, stroke, spinal cord injury, traumatic brain injury, multiple sclerosis, Parkinson’s disease, Alzheimer’s disease, inflammatory pain, obesity and prostate cancer .

HY-14199S

Selegiline-d5 hydrochloride

Selegiline-d₅ (hydrochloride) (Deprenyl-d₅ (hydrochloride)) is deuterium labeled Selegiline (hydrochloride). Selegiline (Deprenyl) hydrochloride is a potent, selective and irreversible inhibitor of MAO-B, with an IC₅₀ of 51 nM. Selegiline hydrochloride exhibits 450-flod selectivity for MAO-B over MAO-A (IC₅₀=23 μM). Selegiline hydrochloride can be used for the research of Parkinson's disease, Alzheimer's disease and major depressive disorder .

HY-14198S

Selegiline-d5
Selegiline-d₅ (Deprenyl-d₅) is deuterium labeled Selegiline. Selegiline (Deprenyl) is a potent, selective and irreversible inhibitor of *MAO-B, with an IC₅₀* of 51 nM. Selegiline exhibits 450-flod selectivity for MAO-B over MAO-A (IC₅₀=23 μM). Selegiline can be used for the research of Parkinson's disease, Alzheimer's disease and major depressive disorder .

HY-70057S4

Safinamide-d5

Safinamide-d₅ (FCE 26743-d₅) is deuterium labeled Safinamide. Safinamide is a potent, selective, and reversible monoamine oxidase B (MAO-B) inhibitor (IC₅₀=0.098 μM) over MAO-A (IC₅₀=580 μM) . Safinamide also blocks sodium channels and modulates glutamate (Glu) release, showing a greater affinity at depolarized (IC₅₀=8?μM) than at resting (IC₅₀=262?μM) potentials. Safinamide has neuroprotective and neurorescuing effects and can be used for the study of parkinson disease, ischemia stroke etc.al .

HY-W700241

Norharman-d7

Norharman-d₇ is deuterium labeled Norharmane. Norharmane (Norharman), a β-carboline alkaloid, is a potent and reversible monoamine oxidase inhibitor, with IC₅₀ values of 6.5 and 4.7 μM for MAO-A and MAO-B, respectively. Norharmane causes antidepressant responses. Norharmane is also a prospective anti-cancer photosensitizer. Norharmane alters polar auxin transport (PAT) by inhibiting PIN2, PIN3 and PIN7 transport proteins, thus causing a significant inhibitory effect on the growth of Arabidopsis thaliana seedlings .

HY-W008566S

Norharmane-13C

Norharmane- ¹³C (Norharman- ¹³C) is the ¹³C-labeled Norharmane (HY-W008566). Norharmane (Norharman), a β-carboline alkaloid, is a potent and reversible monoamine oxidase inhibitor, with IC₅₀ values of 6.5 and 4.7 μM for MAO-A and MAO-B, respectively. Norharmane causes antidepressant responses. Norharmane is also a prospective anti-cancer photosensitizer. Norharmane alters polar auxin transport (PAT) by inhibiting PIN2, PIN3 and PIN7 transport proteins, thus causing a significant inhibitory effect on the growth of Arabidopsis thaliana seedlings .

Cat. No.	Product Name		Classification

HY-A0091A

Pargyline 3 Publications Verification		Alkynes
Pargyline is an irreversible monoamine oxidase (MAO) inhibitor with K_is of 13 μM and 0.5 μM for *MAO-A* and *MAO-B*, respectively. Pargyline has antihypertensive and anticancer activities . Pargyline is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-A0091

Pargyline hydrochloride 3 Publications Verification		Alkynes
Pargyline hydrochloride is an irreversible monoamine oxidase (MAO) inhibitor with K_is of 13 μM and 0.5 μM for *MAO-A* and *MAO-B*, respectively. Pargyline hydrochloride has antihypertensive and anticancer activities . Pargyline (hydrochloride) is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-131036

MAO-IN-M30 dihydrochloride		Alkynes
MAO-IN-M30 dihydrochloride is an orally active, brain-permeable, and brain selective irreversible *MAO-A* (IC₅₀=37 nM) and *MAO-B* (IC₅₀=57 nM) inhibitor. MAO-IN-M30 dihydrochloride is a potent iron chelator and radical scavenger. MAO-IN-M30 dihydrochloride has a neuroprotective effect against Dexamethasone-induced brain cell apoptosis. MAO-IN-M30 dihydrochloride also exhibits neurorestorative activity in post MPTP and lactacystin models of Parkinson's disease . MAO-IN-M30 (dihydrochloride) is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-121072

ASS234		Alkynes
ASS234 is a potent monoamino oxidase (MAO) inhibitor with IC₅₀s of 5.2 nM and 43 nM for MAO-A and MAO-B, respectively. ASS234 also inhibits AChE and BuChE with IC₅₀s of 350 nM and 460 nM, respectively .

HY-14198B

(±)-Selegiline hydrochloride (±)-Deprenyl hydrochloride		Alkynes
(±)-Selegiline (Deprenyl) hydrochloride is the racemic of Selegiline (HY-14198). Selegiline is a potent, selective and irreversible inhibitor of *MAO-B, with an IC₅₀* of 51 nM. Selegiline exhibits 450-flod selectivity for MAO-B over MAO-A (IC₅₀=23 μM). Selegiline can be used for the research of Parkinson's disease, Alzheimer's disease and major depressive disorder .

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