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

mAChR Antagonist

mAChR Antagonists (163):

Cat. No. Product Name Effect Purity
  • HY-B1205
    Atropine
    Antagonist 99.87%
    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-160440A
    VU6021625
    Antagonist
    VU6021625 is a selective antagonist muscarinic acetylcholine receptors (mAChRs), with the IC50 value of 0.44 nM, 57 nM for human M4 and rat M4, respectively.
  • 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-B0781
    Promethazine hydrochloride
    Antagonist ≥98.0%
    Promethazine hydrochloride is an orally active phenothiazine derivative with antihistaminic (H1), sedative, antiemetic, anticholinergic, and antimotion sickness properties. Promethazine hydrochloride is a potent H1 receptor antagonist and a mAChR antagonist. It also has a certain affinity for 5-HT2A and 5-HT2C receptors.
  • 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-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-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-B0394
    Atropine sulfate monohydrate
    Antagonist 99.68%
    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-107647
    (S)-(+)-Dimethindene maleate
    Antagonist 99.94%
    (S)-(+)-Dimethindene maleate, an enantiomer, is a potent M2-selective muscarinic receptor antagonist (pA2 = 7.86/7.74; pKi = 7.78). (S)-(+)-Dimethindene maleate shows lower affinities for the muscarinic M1 (pA2 = 6.83/6.36; pKi = 7.08), the M3 (pA2 = 6.92/6.96; pKi = 6.70) and the M4 receptors (pKi = 7.00), respectively. (S)-(+)-Dimethindene maleate also is a histamine H1 receptor antagonist (pA2 = 7.48).
  • HY-A0012
    Darifenacin hydrobromide
    Antagonist 99.82%
    Darifenacin hydrobromide (UK-88525 hydrobromide) is a selective M3 muscarinic receptor antagonist with pKi of 8.
  • HY-17037
    Pirenzepine dihydrochloride
    Antagonist 99.89%
    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 99.22%
    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-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-B0549A
    Flavoxate hydrochloride
    Antagonist 99.85%
    Flavoxate hydrochloride is a potent and competitive phosphodiesterase (PDE) inhibitor. Flavoxate hydrochloride is an antispasmodic agent and muscarinic mAChR antagonist. Flavoxate hydrochloride shows moderate calcium antagonistic activity and local anesthetic effect. Flavoxate hydrochloride can be used for the research of overactive bladder (OAB) and lower urinary tract infections.
  • 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. 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.
  • 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-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-A0082
    Diphenidol hydrochloride
    Antagonist 99.95%
    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.
  • HY-B0461
    Trospium chloride
    Antagonist 99.88%
    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-100958
    4-DAMP
    Antagonist 99.99%
    4-DAMP is a potent antagonist of M3 receptor and also has a high affinity for the closely-related M5 receptor.