2. Signaling Pathways
  3. GPCR/G Protein
    Neuronal Signaling
  4. mAChR
  5. mAChR4 Isoform
  6. mAChR4 Antagonist

mAChR4 Antagonist

mAChR4 Antagonists (17):

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-122203A
    PCS1055
    		Antagonist 98.02%
    PCS1055 is a selective and competitive antagonist for muscarinic M4 receptor with an IC50 of 18.1 nM and a Kd of 5.72 nM. PCS1055 inhibits radioligand [3H]-NMS binding to the M4 receptor with a Ki of 6.5 nM. PCS1055 is also an inhibitor for AChE with IC50 of 22 nM and 120 nM for electric eel and human AChE, respectively.
  • 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-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-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-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-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-A0030
    Fesoterodine fumarate
    		Antagonist 99.52%
    Fesoterodine Fumarate is an orally active, nonsubtype selective, competitive muscarinic receptor (mAChR) antagonist with pKi values of 8.0, 7.7, 7.4, 7.3, 7.5 for M1, M2, M3, M4, M5 receptors, respectively. Fesoterodine Fumarate is used for the overactive bladder (OAB).
  • HY-141711
    VU6028418
    		Antagonist 99.52%
    VU6028418 is a potent, highly selective and orally bioavailable M4 mAChR antagonist with an IC50 of 4.1 nM against hM4.
  • HY-122203
    PCS1055 dihydrochloride
    		Antagonist 98.88%
    PCS1055 dihydrochloride is a potent, selective and competitive muscarinic M4 receptor antagonist with an IC50 of 18.1 nM and a Kd of 5.72 nM. PCS1055 dihydrochloride inhibits radioligand [3H]-NMS binding to the M4 receptor with a Ki of 6.5 nM. PCS1055 dihydrochloride exhibits >100-fold selectivity over M1-, M3-, and M5-receptors and 30-fold selectivity at the M2 receptor. PCS1055 dihydrochloride is also a potent AChE inhibitor with IC50 s of 22 nM and 120 nM for electric eel and human AChE, respectively.
  • HY-107646
    PD 102807
    		Antagonist 98.52%
    PD 102807 is a M4 muscarinic receptor antagonist with an IC50 of 90.7 nM. PD 102807 inhibits M1, M2, M3, M5 muscarinic receptor with IC50s of 6558.7, 3440.7, 950.0, and 7411.7 nM, respectively. Antidyskinetic effect.
  • HY-76570A
    (Rac)-5-Hydroxymethyl Tolterodine hydrochloride
    		Antagonist
    (Rac)-5-Hydroxymethyl Tolterodine ((Rac)-Desfesoterodine) hydrochloride, an active metabolite of Tolterodine, is a mAChR antagonist (Ki values of 2.3 nM, 2 nM, 2.5 nM, 2.8 nM, and 2.9 nM for M1, M2, M3, M4, and M5 receptors, respectively). (Rac)-5-Hydroxymethyl Tolterodine hydrochloride can be used for overactive bladder research.
  • HY-B1205R
    Atropine (Standard)
    		Antagonist 99.87%
    Atropine (Standard) is the analytical standard of Atropine. This product is intended for research and analytical applications. 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-155367
    mAChR antagonist 1
    		Antagonist 99.59%
    mAChR antagonist 1 (compound 4a) is a mAChR antagonist with Ki values of 255 nM, 121 nM, 158 nM, and 255 nM for M1, M3, M4, and M5 subtype, respectively.
  • HY-148527
    LAS190792
    		Antagonist
    LAS190792 (AZD8999) is a potent muscarinic antagonist and β2-adrenoceptor agonist with pIC50 8.9, 8.8, 8.8, 9.2, 8.2, 7.5, 9.1, 5.6 for M1, M2, M3, M4, M5, β1, β2, β3, respectively. LAS190792 can be used as a bronchodilator.
  • HY-76570S1
    5-Hydroxymethyl Tolterodine-d14 formate
    		Antagonist
    5-Hydroxymethyl Tolterodine-d14 (formate) is deuterium labeled (Rac)-5-Hydroxymethyl Tolterodine. (Rac)-5-Hydroxymethyl Tolterodine ((Rac)-Desfesoterodine), an active metabolite of Tolterodine, is a mAChR antagonist (Ki values of 2.3 nM, 2 nM, 2.5 nM, 2.8 nM, and 2.9 nM for M1, M2, M3, M4, and M5 receptors, respectively). (Rac)-5-Hydroxymethyl Tolterodine can be used for overactive bladder research[1].
  • HY-A0270
    Diphenidol
    		Antagonist
    Diphenidol is a non-selective muscarinic M1-M4 receptor antagonist, has anti-arrhythmic activity. Diphenidol is also a potent non-specific blocker of voltage-gated ion channels (Na+, K+, and Ca2+) in neuronal cells. Diphenidol can be used in the study of antivertigo and antinausea.