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-110239
    Perlapine
    		Agonist 99.6%
    Perlapine is a potent muscarinic DREADD (Designer Receptors Exclusively Activated by Designer agents) agonist Perlapine exhibits >10000-fold selectivity for hM3Dq over hM3 receptors.
    Perlapine
  • HY-P4156
    VLVNTFCDSCIPKTYWNLGY TFA
    VLVNTFCDSCIPKTYWNLGY TFA is an antigenic peptide of M3 muscarinic receptor (M3R). VLVNTFCDSCIPKTYWNLGY TFA can be used in ELISA.
    VLVNTFCDSCIPKTYWNLGY TFA
  • HY-16423
    Rapacuronium bromide
    		Agonist 98.0%
    Rapacuronium bromide (Org 9487), a non-depolarizing neuromuscular blocker, is an allosteric modulator of muscarinic acetylcholine receptor (mAChR).
    Rapacuronium bromide
  • HY-122520
    Fentonium bromide
    		Inhibitor 98.75%
    Fentonium bromide is an anti-ulcerogenic, anticholinergic and antispasmodic agent. Fentonium bromide can be used in the research of neurological conditions, such as unstable bladder.
    Fentonium bromide
  • HY-N0110A
    Palmatine
    Palmatine is an orally active and irreversible indoleamine 2,3-dioxygenase 1 (IDO-1) inhibitor with IC50s of 3 μM and 157μM against HEK 293-hIDO-1 and rhIDO-1, respectively. Palmatine can also inhibit West Nile virus (WNV) NS2B-NS3 protease in an uncompetitive manner with an IC50 of 96 μM. Palmatine shows anti-cancer, anti-oxidation, anti-inflammatory, neuroprotection, antibacterial, anti-viral activities.
    Palmatine
  • HY-113970A
    Nebracetam hydrochloride
    		Agonist 99.0%
    Nebracetam (WEB 1881 FU) hydrochloride is an orally active M1 muscarinic receptor agonist. Nebracetam hydrochloride can induce an increase in intracellular Ca2+ concentration, with an EC50 value of 1.59 mM. Nebracetam hydrochloride exhibits neuroprotective activity and the ability to improve cognitive impairment. Nebracetam hydrochloride can be used in the research of neurological diseases such as Alzheimer's disease.
    Nebracetam hydrochloride
  • HY-17465S
    Glycopyrrolate-d5 bromide
    		Antagonist 99.37%
    Glycopyrrolate-d5 (bromide) is deuterium labeled Glycopyrrolate.
    Glycopyrrolate-d<sub>5</sub> bromide
  • HY-100945
    Nitrocaramiphen hydrochloride
    		Antagonist 98.01%
    Nitrocaramiphen hydrochloride is a selective M1 receptor antagonist (Ki: 5.5 nM). Nitrocaramiphen Hydrochloride inhibits the hyperpolarizing effect of muscarine in the muscle fibers.
    Nitrocaramiphen hydrochloride
  • HY-B0267AS
    Oxybutynin-d11 chloride
    		Antagonist
    Oxybutynin-d11 (chloride) is the deuterium labeled Oxybutynin chloride. Oxybutynin chloride is an anticholinergic agent, which inhibits vascular Kv channels in a concentration-dependent manner, with an IC50 of 11.51 μM.
    Oxybutynin-d<sub>11</sub> chloride
  • HY-118806A
    AC-42 hydrochloride
    		Agonist 98.42%
    AC-42 hydrochloride is the hydrochloride salt form of AC-42 (HY-118806). AC-42 hydrochloride is an allosteric agonist for muscarinic M1 receptor with EC50s of 805 nM and 220 nM for human wild-type and Y381A mutated M1 receptors, respectively. AC-42 hydrochloride stimulates the inositol phosphate (IP)-accumulation and calcium mobilization in CHO cells.
    AC-42 hydrochloride
  • HY-B0461S
    Trospium-d8 chloride
    		Antagonist
    Trospium-d8 (chloride) is the deuterium labeled Trospium chloride. Trospium chloride is an orally active, specific and competitive antagonist of muscarinic cholinergic receptors (mAChRs), with antimuscarinic activity. Trospium chloride binds to muscarinic receptors M1, M2 and M3 with high affinity, but not nicotinic, cholinergic receptors.
    Trospium-d<sub>8</sub> chloride
  • HY-W010892S
    Scopolamine-d3 hydrobromide
    		Antagonist 98.01%
    Scopolamine-d3 hydrobromide is the deuterium labeled Scopolamine hydrobromide (HY-B2065). 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-d<sub>3</sub> hydrobromide
  • HY-101586
    Alvameline
    		Antagonist
    Alvameline (Lu25-109) is a partial M1 agonist and M2/M3 antagonist.
    Alvameline
  • HY-B0549AR
    Flavoxate hydrochloride (Standard)
    		Ligand
    Flavoxate (hydrochloride) (Standard) is the analytical standard of Flavoxate (hydrochloride). This product is intended for research and analytical applications. Flavoxate hydrochloride (Rec-7-0040; DW61) is an orally active L-type Ca2+ channel inhibitor and antispasmodic. Flavoxate hydrochloride inhibits cyclic adenosine monophosphate production by blocking voltage-dependent inward Ba2+ currents, regulating the brainstem micturition center, and stimulating G protein-coupled receptors. Consequently, Flavoxate hydrochloride induces relaxation of bladder smooth muscle and inhibits isovolumetric rhythmic contractions. Flavoxate hydrochloride effectively increases bladder capacity and alleviates symptoms of urgent urination frequency and pollakiuria caused by overactive bladder. Flavoxate hydrochloride can be used in research on overactive bladder and related voiding dysfunctions.
    Flavoxate hydrochloride (Standard)
  • HY-W076756
    4-Piperidyl N-(2-biphenyl)carbamate
    		Antagonist 99.97%
    4-Piperidyl N-(2-biphenyl)carbamate (compound MA) is a competitive muscarinic acetylcholine receptor (mAChR) antagonist. 4-Piperidyl N-(2-biphenyl)carbamate exhibits higher affinity for M2 and M3 mAChR than β2AR (M2 pKi = 7.33; M3 pKi = 7.51; β2AR pKi = 4.94).
    4-Piperidyl N-(2-biphenyl)carbamate
  • HY-76772A
    (+)-Cevimeline hydrochloride hemihydrate
    		Agonist
    (+)-Cevimeline hydrochloride hemihydrate ((+)-SNI-2011), a potent muscarinic receptor agonist, is a candidate therapeutic drug for xerostomia in Sjogren's syndrome.
    (+)-Cevimeline hydrochloride hemihydrate
  • HY-B0406
    Bethanechol
    		Agonist
    Bethanechol (Carbamyl-β-methylcholine), a parasympathomimetic agent, is a mAChR agonist that exerts its effects via directly stimulating the mAChR (M1, M2, M3, M4, and M5) of the parasympathetic nervous system.
    Bethanechol
  • HY-14825
    Tarafenacin
    		Antagonist
    Tarafenacin (SVT-40776) is an orally active, selective M3 muscarinic receptor (M3 muscarinic receptor) antagonist with 203-fold selectivity over the M2 muscarinic receptor. Tarafenacin does not affect atrial contraction, arterial blood pressure or arterial pressure at high doses. Tarafenacin can be used in the research of overactive bladder.
    Tarafenacin
  • HY-U00119
    Nuvenzepine
    		Antagonist 99.67%
    Nuvenzepine is an mAChR antagonist, has the potential for gastrospasm treatment.
    Nuvenzepine
  • HY-101679
    YM-58790
    		Antagonist 98.21%
    YM-58790 is a potent antagonist of mAChR. YM-58790 binds M1, M2, M3 with Ki values of 28 nM, 260 nM, and 15 nM. YM-58790 exhibits potent inhibitory activity on bladder pressuer in reflexly-evoked rhythmic contraction in rats.
    YM-58790
Cat. No. Product Name / Synonyms Application Reactivity
mAChR Isoform Comparison

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