1. Signaling Pathways
  2. GPCR/G Protein
    Neuronal Signaling
  3. mAChR
  4. mAChR1 Isoform
  5. mAChR1 Antagonist

mAChR1 Antagonist

mAChR1 Antagonists (28):

Cat. No. Product Name Effect Purity
  • 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-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-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-126184
    Revatropate
    Antagonist
    Revatropate is an antimuscarinic compound. Revatropate has a much greater inhibitory effect on M1 and M3 receptors than on the M2 subtype. Revatropate is used in the study of urge urinary incontinence and functional bowel disorders.
  • 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-B0241
    Ipratropium bromide
    Antagonist 99.82%
    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-108234
    VU 0255035
    Antagonist 99.76%
    VU 0255035 is a highly selective, competitive and brain penetrant muscarinic M1 receptor antagonist with an IC50 of 130 nM. VU 0255035 reduces pilocarpine-induced seizures in mice. VU0255035 is used to examine the role of the M1 receptor in diverse situations.
  • 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-B1789A
    Telenzepine dihydrochloride
    Antagonist 99.08%
    Telenzepine dihydrochloride is a selective and orally active muscarinic M1 receptor antagonist with a Ki of 0.94 nM. Telenzepine dihydrochloride inhibits gastric acid secretion and has antiulcer effects.
  • HY-B1332
    Ipratropium bromide hydrate
    Antagonist 99.82%
    Ipratropium bromide (Sch 1000) hydrate 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 hydrate relaxes smooth muscle, can be used in the research for COPD (chronic obstructive pulmonary disease) and asthma.
  • HY-137976
    Penehyclidine hydrochloride
    Antagonist 99.2%
    Penehyclidine (Penequinine) hydrochloride, a anticholinergic agent, is a selective antagonist of M1 and M3 receptors. Penehyclidine hydrochloride activates NF-kβ in lung tissue and inhibits the release of inflammatory factors. Penehyclidine hydrochloride can alleviate the pulmonary inflammatory response in rats with chronic obstructive pulmonary disease (COPD) undergoing mechanical ventilation.
  • HY-14541S
    Olanzapine-d3
    Antagonist 99.09%
    Olanzapine-d3 is the deuterium labeled Olanzapine. Olanzapine 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 receptors (Ki=19 nM). Olanzapine is an atypical antipsychotic[1][2].
  • 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-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-I0230
    Solifenacin hydrochloride
    Antagonist 99.71%
    Solifenacin hydrochloride (YM905 hydrochloride) is a muscarinic receptor antagonist, with pKis of 7.6, 6.9 and 8.0 for M1, M2 and M3 receptors, respectively.
  • 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.
  • HY-142119
    Penehyclidine
    Antagonist
    Penehyclidine, a anticholinergic agent, is a selective antagonist of M1 and M3 receptors. Penehyclidine activates NF-kβ in lung tissue and inhibits the release of inflammatory factors. Penehyclidine can alleviate the pulmonary inflammatory response in rats with chronic obstructive pulmonary disease (COPD) undergoing mechanical ventilation.
  • HY-A0002S
    Solifenacin-d5 succinate
    Antagonist
    Solifenacin-d5 (succinate) is deuterium labeled Solifenacin (Succinate). Solifenacin Succinate (YM905) is a novel muscarinic receptor antagonist with pKis of 7.6, 6.9 and 8.0 for M1, M2 and M3 receptors, respectively.
  • HY-101679A
    YM-58790 free base
    Antagonist
    YM-58790 free base is a potent antagonist of mAChR. YM-58790 free base binds M1, M2, M3 with Ki values of 28 nM, 260 nM, and 15 nM. YM-58790 free base exhibits potent inhibitory activity on bladder pressuer in reflexly-evoked rhythmic contraction in rats.