1. Signaling Pathways
  2. Neuronal Signaling
  3. Cholinesterase (ChE)

Cholinesterase (ChE)

Cholinesterase (ChE) is a family of enzymes present in the central nervous system, particularly in nervous tissue, muscle and red cells, which catalyze the hydrolysis of the neurotransmitter acetylcholine into choline and acetic acid, a reaction necessary to allow a cholinergic neuron to return to its resting state after activation. It is one of many important enzymes needed for the proper functioning of the nervous systems of humans.

There are two types: acetylcholinesterase (AChE, acetylcholine hydrolase) and butyrylcholinesterase (BChE, acylcholine acylhydrolase), also known as nonspecific cholinesterase or pseudocholinesterase. AChE is primarily found in the blood on red blood cell membranes, in neuromuscular junctions, and in neural synapses, while BChE is produced in the liver and found primarily in plasma. The difference between the two types of cholinesterase is their relative preferences for substrates: AChE hydrolyzes acetylcholine faster while BChE hydrolyzes butyrylcholine faster.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-N0793R
    Protopine (Standard)
    Inhibitor
    Protopine (Standard) is the analytical standard of Protopine. This product is intended for research and analytical applications. Protopine (Corydinine), an isoquinoline alkaloid, is a specific reversible and competitive inhibitor of acetylcholinesterase. Protopine exhibits anti-inflammation, anti-microbial, anti-angiogenic and anti-tumour activity.
    Protopine (Standard)
  • HY-N10486
    BChE-IN-10
    Inhibitor
    BChE-IN-10 (compound 6) is a potent butyrylcholinesterase (BChE) mixed-type inhibitor with an IC50 value of 6.4 μM. BChE-IN-10 can be isolated from Bletilla striata. BChE-IN-10 can be used for the research of Alzheimer's disease (AD).
    BChE-IN-10
  • HY-157087
    AChE/MAO-B-IN-4
    Inhibitor
    AChE/MAO-B-IN-4 (compound 4a) is a selective dual AChE and MAO-B inhibitor. AChE/MAO-B-IN-4 shows no significant inhibition activity against BChE and h-MAO-A. AChE/MAO-B-IN-4 can be used for the Alzheimer’s disease (AD) research.
    AChE/MAO-B-IN-4
  • HY-B0882R
    Edrophonium (chloride) (Standard)
    Inhibitor
    Edrophonium (chloride) (Standard) is the analytical standard of Edrophonium (chloride). This product is intended for research and analytical applications. Edrophonium chloride is a reversible inhibitor of acetylcholinesterase.
    Edrophonium (chloride) (Standard)
  • HY-169205
    AChE/BChE-IN-22
    Inhibitor
    AChE/BChE-IN-22 (compund 7) competitively inhibits both AChE and BChE enzymes, with values of 28.18±2.51 and 41.74±3.18μM, respectively.
    AChE/BChE-IN-22
  • HY-B0841S
    Acephate-d3
    Inhibitor
    Acephate-d3 is the deuterium labeled Acephate. Acephate is an anticholinesterase insecticide that produces cholinotoxicity. Acephate displays weak inhibition of rat AChE but potently inhibits cockroach AChE.
    Acephate-d<sub>3</sub>
  • HY-161507
    hCAI/II-IN-8
    Inhibitor
    hCAI/II-IN-8 (Compound 8) is a hydrazide derivative based on 4-hydroxybenzaldehyde. hCAI/II-IN-8 primarily targets human carbonic anhydrase isomerase I (hCA I) and II (hCA II) for inhibition (IC50 = 21.35 ± 0.39 nM (hCA I); 7.12 ± 0.12 nM (hCA II)). hCAI/II-IN-8 inhibits AChE and BChE as well(IC50 = 46.27 ±0.75 nM (AChE); 43.38 ± 0.83 nM (BChE)). ..
    hCAI/II-IN-8
  • HY-N4027
    Hydrangenol 8-O-glucoside
    Inhibitor
    Hydrangenol 8-O-glucoside (Hydrangenol 8-O-β-D-glucopyranoside) can be isolated from Hydrangea macrophyllu. Hydrangenol 8-O-glucoside is an AChE inhibitor (IC50: 22.66 μM). Hydrangenol 8-O-glucoside inhibits passive cutaneous anaphylaxis (PCA) reaction.
    Hydrangenol 8-O-glucoside
  • HY-B0732A
    Itopride
    Antagonist
    Itopride (HSR803 free base) is a potent and orally active dopamine-2 antagonist and an acetylcholine esterase (AChE) inhibitor. Itopride enhances gastric motility through both antidopaminergic and anti-acetylcholinesterasic actions, can be used as a gastrointestinal prokinetic agent. Itopride can be used for researching gastro-esophageal reflux disease (GERD).
    Itopride
  • HY-161331
    S16–1029
    Inhibitor
    S16–1029 is a selective and orally active butyrylcholinesterase (BChE) inhibitor with IC50s of 11.35 nM and 48.1 nM for eqBChE and hBChE, respectively. S16–1029 could cross the blood-brain barrier (BBB) and reach the central nervous system (CNS). S16–1029 can be used for Alzheimer's disease (AD) research.
    S16–1029
  • HY-168031
    AChE/BChE-IN-21
    Inhibitor
    AChE/BChE-IN-21 is a histamine H3 receptor antagonist, calcium channel blocker, and acetylcholinesterase inhibitor. AChE/BChE-IN-21 exhibits neuroprotective activity against H2O2 and Aβ1-40, and can restore cognitive function in AD mice.
    AChE/BChE-IN-21
  • HY-W003576R
    ACHE-IN-38 (hydrochloride) (Standard)
    Inhibitor
    ACHE-IN-38 (hydrochloride) (Standard) is the analytical standard of ACHE-IN-38 (hydrochloride). This product is intended for research and analytical applications. ACHE-IN-38 hydrochloride (Compound 13b) inhibits the metabolic breakdown of the neurotransmitter acetylcholine (ACh) by the enzyme acetylcholinesterase (AChE) and hence alleviates memory deficits in patients with Alzheimer’s Disease by potentiating cholinergic transmission.
    ACHE-IN-38 (hydrochloride) (Standard)
  • HY-151389
    BChE-IN-14
    BChE-IN-14 (compound 19c) is a selective butyrylcholinesterase (BChE) inhibitor with IC50s of 0.23 and 0.011 μM for eqBChE and hBChE, respectively. BChE-IN-14 shows good blood brain barrier permeation and primary cell safety. BChE-IN-14 is able to restore cognitive impairment in vivo, it can be used for the research of Alzheimer’s disease.
    BChE-IN-14
  • HY-169470
    Pridinol hydrochloride
    Inhibitor
    Pridinol hydrochloride is the hydrochloride salt form of Pridinol (HY-B1343A). Pridinol hydrochloride is an orally active anticholinergic agent, and acts as muscle relaxant.
    Pridinol hydrochloride
  • HY-B1738B
    Pralidoxime methanesulfonate
    Activator
    Pralidoxime methanesulfonate is a potent reactivator of acetylcholinesterase (AChE). Pralidoxime methanesulfonate reactivates nerve agent-inhibited AChE via direct nucleophilic attack by the oxime moiety on the phosphorus center of the bound nerve agent. Pralidoxime methanesulfonate is an antidote for organophosphate poisoning.
    Pralidoxime methanesulfonate
  • HY-N10488
    BChE-IN-11
    Inhibitor
    BChE-IN-11 (compound 10) is a potent, selective and non-competitive BChE (butyrylcholinesterase) inhibitor, with an IC50 of 2.1 μM. BChE-IN-11 can be used for Alzheimer's disease (AD) research.
    BChE-IN-11
  • HY-147962
    AChE/HDAC-IN-1
    Inhibitor
    COX-2-IN-23 (compound A10) is a potent both AChE and HDAC inhibitor with IC50 values of 0.12 and 0.23 nM. COX-2-IN-23 exhibits antioxidant activity and metal chelating properties. COX-2-IN-23 can be used in alzheimer's disease research.
    AChE/HDAC-IN-1
  • HY-14795
    Mimopezil
    Inhibitor
    Mimopezil (ZT-1) is an cholinesterase (ChE) inhibitor that rapidly degrades into the active metabolite Huperzine A (HY-17388) in water or aqueous organic solvents. After oral administration, Mimopezil is rapidly absorbed but has low bioavailability (0.37%) in rats. However, after metabolism, it is converted into Huperzine A, which accumulates in the blood and exhibits strong activity. Following intravenous administration, Mimopezil reaches higher blood concentrations and is also rapidly metabolized into Huperzine A.
    Mimopezil
  • HY-N0528R
    Linarin (Standard)
    Inhibitor
    Linarin (Standard) is the analytical standard of Linarin. This product is intended for research and analytical applications. Linarin (Buddleoside) is an orally active and selective inhibitor of acetylcholinesterase (AChE). Linarin has many activities, such as anti-inflammatory, antioxidant, sleep aid and sedation, bone differentiation, anti-tumor, antibacterial and antiviral. Linarin can be used to study diseases such as the nervous system, osteoporosis and cancer.
    Linarin (Standard)
  • HY-159943
    ROS151
    Inhibitor
    ROS151 is an AChE inhibitor, with IC50s of 14 nM (hAChE), 1.68 μM (eqBChE), 8.17 μM (hFAAH) respectively. ROS151 is also a chelator of Fe3+ and Cu2+. ROS151 can be used for research of Alzheimer's disease.
    ROS151
Cat. No. Product Name / Synonyms Application Reactivity

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