2. Signaling Pathways
  3. GPCR/G Protein
    Neuronal Signaling
  4. mAChR

mAChR

Muscarinic acetylcholine receptor

mAChR

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mAChRs (muscarinic acetylcholine receptors) are acetylcholine receptors that form G protein-receptor complexes in the cell membranes of certainneurons and other cells. They play several roles, including acting as the main end-receptor stimulated by acetylcholine released from postganglionic fibersin the parasympathetic nervous system. mAChRs are named as such because they are more sensitive to muscarine than to nicotine. Their counterparts are nicotinic acetylcholine receptors (nAChRs), receptor ion channels that are also important in the autonomic nervous system. Many drugs and other substances (for example pilocarpineand scopolamine) manipulate these two distinct receptors by acting as selective agonists or antagonists. Acetylcholine (ACh) is a neurotransmitter found extensively in the brain and the autonomic ganglia.

mAChR Isoform Specific Products:

mAChR Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-157792
    Antidepressant agent 6
    		Antagonist
    Antidepressant agent 6 (S-3a) is a lead compound with potent and sustained antidepressant effects. Antidepressant agent 6 (S-3a) displays high cognitive safety margin.Antidepressant agent 6 (S-3a) antagonizes M1 receptors and elevates BDNF levels, suggesting its potential as an antidepressant for further exploration.
    Antidepressant agent 6
  • HY-101679A
    YM-58790 free base
    		Antagonist
    YM-58790 free base is a potent antagonist of mAChR. YM-58790 free base binds M1, M2, M3 with Ki values of 28 nM, 260 nM, and 15 nM. YM-58790 free base exhibits potent inhibitory activity on bladder pressuer in reflexly-evoked rhythmic contraction in rats.
    YM-58790 free base
  • HY-W354753R
    Homatropine hydrochloride (Standard)
    		Inhibitor
    Homatropine (hydrochloride) (Standard) is the analytical standard of Homatropine (hydrochloride). This product is intended for research and analytical applications. Homatropine hydrochloride is an orally active anticholinergic agent that rapidly dilates pupils and has cycloplegic effects. Homatropine hydrochloride also has antitussive activity. Homatropine hydrochloride can be used in research on eye diseases and coughs.
    Homatropine hydrochloride (Standard)
  • HY-17360S
    Tiotropium-d3 bromide
    		Antagonist
    Tiotropium-d3 (bromide) is the deuterium labeled Tiotropium (Bromide). Tiotropium bromide (BA-679 BR) is a long-acting anticholinergic bronchodilator. Tiotropium bromide blocks the action of acetylcholine at muscarinic M1, M2, and M3 receptors, prevents bronchoconstriction, and dilates bronchial airways. Tiotropium bromide is applicable to research related to chronic obstructive pulmonary disease and asthma.
    Tiotropium-d<sub>3</sub> bromide
  • HY-N0214R
    Peimisine (Standard)
    		Antagonist
    Peimisine (Standard) is the analytical standard of Peimisine. This product is intended for research and analytical applications. Peimisine (Ebeiensine) is a muscarinic M receptor antagonist and angiotensin converting enzyme (ACE) inhibitor. Peimisine shows anti-tumor, anti-inflammatory, antihypertensive activities. Peimisine can induce apoptosis and be used in cough and asthma research.
    Peimisine (Standard)
  • HY-100916
    Arecaidine-propargyl ester tosylate
    		Agonist
    Arecaidine-propargyl ester tosylate is a potent muscarinic receptor (mAChR) agonist.
    Arecaidine-propargyl ester tosylate
  • HY-177309
    Muscarinic M3 receptor antagonist-1
    		Antagonist
    Muscarinic M3 receptor antagonist-1 (Example 4) is a muscarinic acetylcholine receptor M3 antagonist. Muscarinic M3 receptor antagonist-1 can be used to study inflammatory and obstructive airway diseases.
    Muscarinic M3 receptor antagonist-1
  • HY-121404
    Muscarine
    		Agonist
    Muscarine ((+)-Muscarine) is an agonist of prototype mAChR. Muscarine is a toxin that can stimulate the parasympathetic nervous system.
    Muscarine
  • HY-N0340R
    Scopolamine butylbromide (Standard)
    		Antagonist
    Scopolamine butylbromide (Standard) is the analytical standard of Scopolamine butylbromide (HY-N0340). This product is intended for research and analytical applications. Scopolamine butylbromide (Hyoscine butylbromide) is an orally active anticholinergic agent and spasmolytic. Scopolamine butylbromide binds with high affinity to rat cardiac M2 (Ki 83 nmol/L), hM2 (Ki 233 nmol/L), rat intestinal M3 (Ki 290 nmol/L) and hM3 (Ki 643 nmol/L) muscarinic receptors. Scopolamine butylbromide exerts a dose-dependent antagonistic effect on Carbachol-induced gastrointestinal smooth muscle spasm. Scopolamine butylbromide can be used for the research of abdominal colic and pain associated with gastrointestinal spasm, functional abdominal pain, chronic gastropathy and gastric ulcer.
    Scopolamine butylbromide (Standard)
  • HY-16171R
    Diphenmanil methylsulfate (Standard)
    		Antagonist
    Diphenmanil (methylsulfate) (Standard) is the analytical standard of Diphenmanil (methylsulfate). This product is intended for research and analytical applications. 0
    Diphenmanil methylsulfate (Standard)
  • HY-122761
    Quifenadine
    		Antagonist
    Quifenadine (Compound 3a), the hydroxyl-(diphenyl)methyl quinuclidine derivative, is a M3 receptor antagonist with an IC50 value > 1000 nM. Quifenadine can be used for the research of neurological disease.
    Quifenadine
  • HY-W748582
    Clozapine N-oxide-d8
    Clozapine N-oxide-d8 is the deuterium labeled Clozapine N-oxide (HY-17366). Clozapine N-oxide is a major metabolite of Clozapine and a human muscarinic designer receptors (DREADDs) agonist. Clozapine N-oxide activates the DREADD receptor hM3Dq and hM4Di. Clozapine N-oxide can't cross the blood-brain barrier. Clozapine is a potent dopamine antagonist and also a potent and selective muscarinic M4 receptor (EC50=11 nM) agonist.
    Clozapine N-oxide-d<sub>8</sub>
  • HY-W354753
    Homatropine hydrochloride
    		Inhibitor
    Homatropine hydrochloride is an orally active anticholinergic agent that rapidly dilates pupils and has cycloplegic effects. Homatropine hydrochloride also has antitussive activity. Homatropine hydrochloride can be used in research on eye diseases and coughs.
    Homatropine hydrochloride
  • HY-B0298AR
    Clemastine fumarate (Standard)
    		Antagonist
    Clemastine (HS-592; Meclastine) fumarate (Standard) is the analytical standard of Clemastine fumarate. This product is intended for research and analytical applications. Clemastine fumarate is an orally active, blood-brain barrier-permeable H1 histamine receptor (H1 histamine receptor) antagonist with potent antiallergic effects. Clemastine fumarate also antagonizes muscarinic acetylcholine receptors (mAChR), particularly the M1 and M4 subtypes. In addition to antihistamine effects, Clemastine fumarate exhibits multiple pharmacological activities, especially in promoting central nervous system remyelination, activating autophagy and pyroptosis, exerting anti-apoptotic and neuroprotective effects, and suppressing inflammation .
    Clemastine fumarate (Standard)
  • HY-120081AR
    Metixene hydrochloride hydrate (Standard)
    		Antagonist
    Metixene (hydrochloride hydrate) (Standard) is the analytical standard of Metixene (hydrochloride hydrate). This product is intended for research and analytical applications. Metixene (Piperidine) hydrochloride hydrate is an anticholinergic and antiparkinsonian agent. Metixene hydrochloride hydrate potently inhibits binding of quinuclidinyl benzilate (QNB) with the muscarinic receptor, IC50 and Ki values of 55 nM and 15 nM, respectively. Metixene hydrochloride hydrate can be used for the research of parkinsonian.
    Metixene hydrochloride hydrate (Standard)
  • HY-135754
    Tiquizium bromide
    		Antagonist
    Tiquizium bromide is an orally active, atropine-type, nonselective muscarinic antagonist and novel spasmolytic agent. Tiquizium bromide inhibits the developments of gastric lesions and duodenal lesions. Tiquizium bromide induces the mydoriasis and inhibits the Pilocarpine (HY-B0726A)-induced salivation.
    Tiquizium bromide
  • HY-167933
    (Rac)-Sabcomeline hydrochloride
    		Inhibitor
    (Rac)-Sabcomeline ((Rac)-SB-202026) hydrochloride serves as an M1 receptor agonist, making it a valuable tool for research into Alzheimer's disease.
    (Rac)-Sabcomeline hydrochloride
  • HY-106949
    Tazomeline
    		Agonist
    Tazomeline is a selective M1 muscarinic receptor agonist. Tazomeline inhibits twitch height in rabbit vas deferens(IC50= 0.001 nM). Tazomeline can be used for research of neuropsychiatric disorders.
    Tazomeline
  • HY-119082
    (E/Z)-VU0029767
    		Modulator
    (E/Z)-VU0029767 is an allosteric enhancer of M1 muscarinic receptors with the activity to modulate M1 receptor activity. (E/Z)-VU0029767 can enhance M1 receptor activity by increasing agonist affinity, but exhibits different properties from other compounds under different experimental conditions, such as effects on mutant M1 receptors and effects on downstream signaling pathways.
    (E/Z)-VU0029767
  • HY-105771
    Parapenzolate bromide
    		Antagonist
    Parapenzolate bromide, an antispasmodic, is an orally active mAChR antagonist. Parapenzolate bromide is an anticholinergic agent.
    Parapenzolate bromide
Cat. No. Product Name / Synonyms Application Reactivity
mAChR Isoform Comparison

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