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-14825A
    Tarafenacin D-tartrate
    Antagonist 99.86%
    Tarafenacin D-tartrate (SVT-40776 D-tartrate) is a highly selective M3 muscarinic receptor antagonist (Ki= 0.
    Tarafenacin D-tartrate
  • HY-B2112
    Valethamate bromide
    Inhibitor 98.0%
    Valethamate bromide is an ester, serving as an effective rapidly acting anticholinergic antispasmodic and muscle relaxant. Valethamate bromide accelerates labor by improving cervical dilation. Valethamate bromide can significantly shorten the labor process and have fewer side effects.
    Valethamate bromide
  • HY-76772B
    (-)-Cevimeline hydrochloride hemihydrate
    Agonist
    (-)-Cevimeline hydrochloride hemihydrate ((-)-SNI-2011), a novel muscarinic receptor agonist, is a candidate therapeutic drug for xerostomia in Sjogren's syndrome.
    (-)-Cevimeline hydrochloride hemihydrate
  • HY-116490
    Guvacoline hydrobromide
    Agonist
    Guvacoline hydrobromide, a pyridine alkaloid found in Areca triandra, can act as a weak full agonist of atrial and ileal mAChR.
    Guvacoline hydrobromide
  • HY-162897
    BAY-2413555
    Modulator
    BAY-2413555 is an orally active muscarinic acetylcholine receptor M2 modulator that protects the heart and improve cardiac function. BAY-2413555 is promising for research of heart failure.
    BAY-2413555
  • HY-101281A
    (Rac)-VU 6008667
    Inhibitor 99.85%
    (Rac)-VU 6008667 is a selective negative allosteric modulator of muscarinic acetylcholine receptor subtype 5 (M5 NAM) (IC50=1.8 μM, pIC50= 5.75), has high CNS penetration.
    (Rac)-VU 6008667
  • HY-14539S
    Clozapine-d8
    Modulator 99.68%
    Clozapine-d8 is the deuterium labeled Clozapine. Clozapine is an antipsychotic used for the research of schizophrenia. Clozapine has high affinity for a number of neuroreceptors.
    Clozapine-d<sub>8</sub>
  • HY-101281B
    (R)-VU 6008667
    Control 99.79%
    (R)-VU 6008667, the less active (R)-enantiomer to VU 6008667, is devoid of M5 NAM activity (IC50>10 μM).
    (R)-VU 6008667
  • HY-B2065
    Scopolamine hydrochloride
    Antagonist 99.88%
    Scopolamine (Hyoscine) hydrochloride is a high-affinity muscarinic antagonist that can cross the blood-brain barrier. Scopolamine hydrochloride competitively antagonizes 5-HT3 receptors with an IC50 of 2.09 μM. Scopolamine hydrochloride can induce cognitive and memory deficits in animals. Scopolamine hydrochloride can be used in the research of preventing postoperative nausea and vomiting, motion sickness, nervous system diseases, etc.
    Scopolamine hydrochloride
  • HY-135096
    Amitriptyline-d3 hydrochloride
    Inhibitor 99.46%
    Amitriptyline-d3 hydrochloride is the deuterium labeled Amitriptyline (hydrochloride). Amitriptyline hydrochloride is an inhibitor of serotonin reuptake transporter (SERT) and noradrenaline reuptake transporter (NET), with Kis of 3.45 nM and 13.3 nM for human SERT and NET, respectively. Amitriptyline hydrochloride also weakly binds to dopamine reuptake transporter (DAT) with a Ki of 2.58 μM. Amitriptyline hydrochloride also inhibits adrenergic, muscarinic, histamine and 5-HT receptors. Amitriptyline hydrochloride is a TrkA and TrkB receptors agonist with potent neurotrophic activity. Amitriptyline hydrochloride has antidepressant activity.
    Amitriptyline-d3 hydrochloride
  • HY-100979
    W-84 dibromide
    Antagonist 98.04%
    W-84 (dibromide) is a potent allosteric modulator of M2-cholinoceptors, which retards [3H]N-methylscopolamine dissociation. W-84 dibromide can stabilize cholinergic antagonist-receptor complexes. W-84 (dibromide) is a non-competitive muscarinic acetylcholine receptors antagonist with allosteric effects. W-84 (dibromide) protects over additively against an organophosphate-intoxication when applied in combination with atropine.
    W-84 dibromide
  • HY-B0241S
    Ipratropium-d3 bromide
    Antagonist 98.0%
    Ipratropium-d3 (bromide) is the deuterium labeled Ipratropium bromide. Ipratropium bromide (Sch 1000) is a muscarinic receptor antagonist, with binding IC50 values of 2.9 nM, 2 nM, and 1.7 nM for M1, M2, and M3 receptors, respectively. Ipratropium bromide can be used in the research for COPD (chronic obstructive pulmonary disease) and asthma.
    Ipratropium-d<sub>3</sub> bromide
  • HY-B0394S
    Atropine-d5
    Antagonist ≥99.0%
    Atropine-d5 is the deuterium labeled Atropine (sulfate monohydrate). Atropine (Tropine tropate) sulfate monohydrate is a broad-spectrum and competitive muscarinic acetylcholine receptor (mAChR) antagonist with anti-myopia effect.
    Atropine-d<sub>5</sub>
  • HY-B1547A
    Benzetimide hydrochloride
    Antagonist 99.44%
    Benzetimide hydrochloride is a muscarinic acetylcholine receptor antagonist.
    Benzetimide hydrochloride
  • HY-N0471A
    L-Hyoscyamine sulfate
    Antagonist ≥99.0%
    L-Hyoscyamine sulfate (Daturine sulfate), a natural plant tropane alkaloid, is a potent and competitive muscarinic receptor (MR) antagonist. L-Hyoscyamine sulfate is a levo-isomer to Atropine (HY-B1205).
    L-Hyoscyamine sulfate
  • HY-109196
    Velufenacin
    Antagonist 99.12%
    Velufenacin is a muscarinic receptor antagonist.
    Velufenacin
  • HY-12426A
    mAChR-IN-1 hydrochloride
    Antagonist 99.64%
    mAChR-IN-1 hydrochloride is a potent muscarinic cholinergic receptor (mAChR) antagonist, with an IC50 of 17 nM.
    mAChR-IN-1 hydrochloride
  • HY-101841
    LY 2033298
    Activator 99.87%
    LY 2033298 is a selective positive allosteric modulator of the muscarinic M4 receptor. LY 2033298 can be used in the study of psychiatric disorders.
    LY 2033298
  • HY-B1806A
    Tridihexethyl chloride
    Antagonist
    Tridihexethyl (Pathilon) chloride is an orally active anticholinergic agent and mAChR antagonist, shows activities of antimuscarinic and anticholinergic. Tridihexethyl chloride shows pronounced antispasmodic and antisecretory effects on the gastrointestinal tract. Tridihexethyl chloride can be used in studies of peptic ulcer disease and acquired nystagmus .
    Tridihexethyl chloride
  • HY-N7247
    Thiochrome
    Activator 99.0%
    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
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