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

mAChR

Muscarinic acetylcholine receptor

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.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-U00067
    Ambutonium bromide
    Antagonist
    Ambutonium bromide is an acetylcholine antagonist.
    Ambutonium bromide
  • HY-U00038
    ENS-163 phosphate
    Agonist
    ENS-163 phosphate is a selective muscarinic M1 receptor agonist.
    ENS-163 phosphate
  • HY-U00030
    Rispenzepine
    Antagonist
    Rispenzepine is a novel antimuscarinic compound with a preferential action at M1, and M3 receptor subtypes.
    Rispenzepine
  • HY-101694
    Siltenzepine
    Antagonist
    Siltenzepine (AWD 26-06 free base) is an antagonist of mAChR with anti-acid activity, which can be used in peptic ulcers research. Siltenzepine exhibits rapidly but incompletely absorbed characterastic in rats (po).
    Siltenzepine
  • HY-101743
    Elucaine
    Antagonist
    Elucaine is a muscarinic acetylcholine receptor antagonist with anti-ulcerative activity.
    Elucaine
  • HY-A0034R
    Solifenacin (Standard)
    Antagonist
    Solifenacin (Standard) is the analytical standard of Solifenacin. This product is intended for research and analytical applications. Solifenacin (YM905 free base) is a novel muscarinic receptor antagonist with pKis of 7.6, 6.9 and 8.0 for M1, M2 and M3 receptors, respectively.
    Solifenacin (Standard)
  • HY-121404B
    Muscarine tosylate
    Agonist
    Muscarine ((+)-Muscarine) tosylate is an agonist of prototype mAChR. Muscarine tosylate is a toxin that can stimulate the parasympathetic nervous system.
    Muscarine tosylate
  • HY-119953
    BIBN-99
    Antagonist
    BIBN-99 is a selective, BBB-penetrable and competitive muscarinic M2 receptor antagonist. BIBN-99 improves cognitive performancein rats with traumatic brain injury.
    BIBN-99
  • HY-105182R
    Xanomeline (Standard)
    Agonist
    Xanomeline (Standard) is the analytical standard of Xanomeline. This product is intended for research and analytical applications. Xanomeline, as an effective and selective muscarinic type 1 and type 4 (M1/M4) receptor agonist, increases neuronal excitability. Xanomeline can be used for the research of neurological disorders, such as schizophrenia.
    Xanomeline (Standard)
  • HY-B0662A
    Imidafenacin hydrochloride
    Inhibitor
    Imidafenacin hydrochloride is a potent and selective inhibitor of M3 receptors with a Kb of 0.317 nM.
    Imidafenacin hydrochloride
  • HY-19652A
    (S)-Oxybutynin hydrochloride
    Antagonist
    (S)-Oxybutynin (Esoxybutynin) hydrochloride is a potent muscarinic receptor antagonist.
    (S)-Oxybutynin hydrochloride
  • HY-N7247R
    Thiochrome (Standard)
    Activator
    Thiochrome (Standard) is the analytical standard of Thiochrome. This product is intended for research and analytical applications. Thiochrome, a natural oxidation product and metabolite of thiamine, is a selective M4 muscarinic receptor of acetylcholine (ACh) affinity enhancer. Thiochrome has neutral cooperativity with ACh at M1 to M3 receptors.
    Thiochrome (Standard)
  • HY-17465R
    Glycopyrrolate (Standard)
    Antagonist
    Glycopyrrolate (Standard) is the analytical standard of Glycopyrrolate. This product is intended for research and analytical applications. Glycopyrrolate (Glycopyrronium bromide), a quaternary ammonium derivative, is a muscarinic receptor antagonist. Glycopyrrolate has bronchoprotective effect and produces a beneficial effect on blood pressure. Glycopyrrolate can be used for the research of bronchial diseases.
    Glycopyrrolate (Standard)
  • HY-A0082S
    Diphenidol-d10 hydrochloride
    Antagonist
    Diphenidol-d10 (hydrochloride) (Difenidol hydrochloride-d10) is deuterium labeled Diphenidol (hydrochloride). Diphenidol hydrochloride (Difenidol hydrochloride) is a non-selective muscarinic M1-M4 receptor antagonist, has anti-arrhythmic activity. Diphenidol hydrochloride is also a potent non-specific blocker of voltage-gated ion channels (Na+, K+, and Ca2+) in neuronal cells. Diphenidol hydrochloride can be used in the study of antivertigo and antinausea.
    Diphenidol-d<sub>10</sub> hydrochloride
  • HY-13204AR
    Biperiden (Standard)
    Inhibitor
    Biperiden (Standard) is the analytical standard of Biperiden. This product is intended for research and analytical applications. Biperiden (KL 373) is a non-selective muscarinic receptor antagonist that competitively binds to M1 muscarinic receptors, thereby inhibiting acetylcholine and enhancing dopamine signaling in the central nervous system. Biperiden has the potential for the research of Parkinson's disease and other related psychiatric disorders.
    Biperiden (Standard)
  • HY-43421
    Solifenacin N-oxide
    Control
    Solifenacin N-oxide (Solifenacin N1-oxide) is an inactive metabolite of the muscarinic receptor antagonist Solifenacin (HY-A0034).
    Solifenacin N-oxide
  • HY-106353R
    Smilagenin (Standard)
    Agonist
    Smilagenin (Standard) is the analytical standard of Smilagenin. This product is intended for research and analytical applications. Smilagenin (SMI) is a small-molecule steroidal sapogenin from Anemarrhena asphodeloides and Pelargonium hortorum widely used in traditional Chinese medicine for treating chronic neurodegeneration diseases. Smilagenin (SMI) improves memory of aged rats by increasing the muscarinic receptor subtype 1 (M1)-receptor density. Smilagenin (SMI) attenuates Aβ(25-35)-induced neurodegenerationvia stimulating the gene expression of brain-derived neurotrophic factor, may represents a novel therapeutic strategy for AD.
    Smilagenin (Standard)
  • HY-135329S
    (1R,3S-)Solifenacin-d5 hydrochloride
    Antagonist
    (1R,3S-)Solifenacin-d5 hydrochloride is the deuterium labeled Solifenacin hydrochloride. Solifenacin D5 hydrochloride is a deuterium labeled Solifenacin hydrochloride. Solifenacin hydrochloride is a muscarinic receptor antagonist with pKis of 7.6, 6.9 and 8.0 for M1, M2 and M3 receptors, respectively.
    (1R,3S-)Solifenacin-d<sub>5</sub> hydrochloride
  • HY-B0267R
    Oxybutynin (Standard)
    Antagonist
    Oxybutynin (Standard) is the analytical standard of Oxybutynin. This product is intended for research and analytical applications. Oxybutynin is an anticholinergic agent, which inhibits vascular Kv channels in a concentration-dependent manner, with an IC50 of 11.51 μM. Oxybutynin is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.
    Oxybutynin (Standard)
  • HY-B0549AS
    Flavoxate-d4 hydrochloride
    Antagonist
    Flavoxate-d4 hydrochloride (Rec-7-0040-d4) is the deuterium labeled Flavoxate hydrochloride. Flavoxate Hydrochloride is a muscarinic AChR antagonist used in various urinary syndromes and as an antispasmodic.
    Flavoxate-d<sub>4</sub> hydrochloride
Cat. No. Product Name / Synonyms Application Reactivity

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