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

mAChR Antagonist

mAChR Antagonists (138):

Cat. No. Product Name Effect Purity
  • HY-B1205
    Atropine
    Antagonist 99.55%
    Atropine (Tropine tropate) is a competitive muscarinic acetylcholine receptor (mAChR) antagonist with IC50 values of 0.39 and 0.71 nM for Human mAChR M4 and Chicken mAChR M4, respectively. Atropine inhibits ACh-induced relaxations in human pulmonary veins. Atropine can be used for research of anti-myopia and bradycardia.
  • HY-17037A
    Pirenzepine
    Antagonist
    Pirenzepine (LS 519 free base) is a selective M1 mAChR (muscarinic acetylcholine receptor) antagonist. Pirenzepine reduces gastric acid secretion and reduces muscle spasm, can be used in peptic ulcers research. Pirenzepine shows anti-proliferative activity to cancer cells.
  • HY-148502
    VU6019650
    Antagonist
    VU6019650 is a potent and selective orthosteric antagonist of M5 mAChR (IC50=36 nM), can be used for opioid use disorder (OUD) relief. VU6019650 can cross blood brain barrier, potentially modulates the mesolimbic dopaminergic reward circuitry. VU6019650 blocks Oxotremorine M iodide (HY-101372A) induced increases of neuronal firing rates of midbrain dopamine neurons in the ventral tegmental area (VTA).
  • HY-14541
    Olanzapine
    Antagonist 99.83%
    Olanzapine (LY170053) is a selective, orally active monoaminergic antagonist with high affinity binding to serotonin H1, 5HT2A/2C, 5HT3, 5HT6 (Ki=7, 4, 11, 57, and 5 nM, respectively), dopamine D1-4 (Ki=11 to 31 nM), muscarinic M1-5 (Ki=1.9-25 nM), and adrenergic α1 receptor (Ki=19 nM). Olanzapine is an atypical antipsychotic.
  • HY-B0394
    Atropine sulfate monohydrate
    Antagonist 99.64%
    Atropine (Tropine tropate) sulfate monohydrate is a competitive muscarinic acetylcholine receptor (mAChR) antagonist with IC50 values of 0.39 and 0.71 nM for Human mAChR M4 and Chicken mAChR M4, respectively. Atropine sulfate monohydrate inhibits ACh-induced relaxations in human pulmonary veins. Atropine sulfate monohydrate can be used for research of anti-myopia and bradycardia.
  • HY-B1188
    Propantheline bromide
    Antagonist
    Propantheline bromide is an orally active mAChR antagonist. Propantheline bromide can be used in the research of smooth muscle dysfunction, excessive sweating, cramps or spasms of the stomach, intestines or bladder, and involuntary urination.
  • HY-17360
    Tiotropium Bromide
    Antagonist 99.61%
    Tiotropium Bromide (BA679 BR) is a muscarinic acetylcholine receptor (mAChR) antagonist that blocks the binding of the acetylcholine ligand and subsequent opening of the ligand-gated ion channel.
  • HY-B1205A
    Atropine sulfate
    Antagonist 99.74%
    Atropine (Tropine tropate) sulfate is a competitive muscarinic acetylcholine receptor (mAChR) antagonist with IC50 values of 0.39 and 0.71 nM for Human mAChR M4 and Chicken mAChR M4, respectively. Atropine sulfate inhibits ACh-induced relaxations in human pulmonary veins. Atropine sulfate can be used for research of anti-myopia and bradycardia.
  • HY-N0214
    Peimisine
    Antagonist 99.51%
    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.
  • HY-A0012
    Darifenacin hydrobromide
    Antagonist 99.96%
    Darifenacin hydrobromide (UK-88525 hydrobromide) is a selective M3 muscarinic receptor antagonist with pKi of 8.9.
  • HY-12100
    Umeclidinium bromide
    Antagonist 99.72%
    Umeclidinium bromide is a novel mAChR antagonist. The affinity (Ki) of Umeclidinium bromide for the cloned human M1-M5 mAChRs ranges from 0.05 to 0.16 nM.
  • HY-17037
    Pirenzepine dihydrochloride
    Antagonist 99.93%
    Pirenzepine (LS 519) dihydrochloride is a selective M1 mAChR (muscarinic acetylcholine receptor) antagonist. Pirenzepine dihydrochloride reduces gastric acid secretion and reduces muscle spasm, can be used in peptic ulcers research. Pirenzepine dihydrochloride shows anti-proliferative activity to cancer cells.
  • HY-B0321
    Tropicamide
    Antagonist 99.30%
    Tropicamide (Ro 1-7683) is a selective M4 muscarinic acetylcholine receptor antagonist. Tropicamide produces short acting mydriasis (dilation of the pupil) and cycloplegia when applied as eye drops.
  • HY-N0471
    L-Hyoscyamine
    Antagonist 99.80%
    L-Hyoscyamine (Daturine), a natural plant tropane alkaloid, is a potent and competitive muscarinic receptor (MR) antagonist. L-Hyoscyamine is a levo-isomer to Atropine (HY-B1205).
  • HY-B0241
    Ipratropium bromide
    Antagonist 98.50%
    Ipratropium bromide (Sch 1000) is a muscarinic receptor antagonist, with IC50s of 2.9 nM, 2 nM, and 1.7 nM for M1, M2, and M3 receptors, respectively. Ipratropium bromide relaxes smooth muscle, can be used in the research for COPD (chronic obstructive pulmonary disease) and asthma.
  • HY-17465
    Glycopyrrolate
    Antagonist 99.88%
    Glycopyrrolate (Glycopyrronium bromide) is a muscarinic competitive antagonist used as an antispasmodic.
  • HY-A0082
    Diphenidol hydrochloride
    Antagonist 99.0%
    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.
  • HY-B0461
    Trospium chloride
    Antagonist 99.65%
    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.
  • HY-B0267
    Oxybutynin
    Antagonist 99.55%
    Oxybutynin is an anticholinergic agent, which inhibits vascular Kv channels in a concentration-dependent manner, with an IC50 of 11.51 μM.
  • HY-12980
    Batefenterol
    Antagonist 98.30%
    Batefenterol (GSK961081;TD-5959) is a novel muscarinic receptor antagonist and β2-adrenoceptor agonist; displays high affinity for hM2, hM3 muscarinic and hβ2-adrenoceptor with Ki values of 1.4, 1.3 and 3.7 nM, respectively.