VU0152100 is a potent and selective allosteric potentiator of M4 mAChR with an EC50 of 380 ± 93 nM.

Pirmenol hydrochloride inhibits IK.ACh by blocking muscarinic receptors. The IC50 of Pirmenol for inhibition of Carbachol-induced IK.ACh is 0.1 μM.

LY2119620 is a specific, and allosteric agonist of human M2 and M4 muscarinic acetylcholine receptors.

Glycopyrrolate(Glycopyrronium Br) is a muscarinic competitive antagonist used as an antispasmodic.

Fesoterodine Fumarate is an antimuscarinic agent and is rapidly de-esterified to its active metabolite 5-hydroxymethyl tolterodine that is a muscarinic receptor antagonist.

DIBA-Cy5 is a fluorescent DIBA antagonist made up be DIBA-alkyne binding Cyanine5 fluorophores (Cy5) and polyethylene glycol (PEG) biomolecules. DIBA-Cy5 can serve as a fluorescent ligand, suitable for probe attachment through click chemistry. DIBA-Cy5 exerts a high binding affinity to type-2 mAChR (M2R) with the Kd value of 1.80 nM, can directly stain M2R receptors in the sinoatrial node of a mouse heart.

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.

Homatropine is an orally active muscarinic acetylcholine receptor antagonist and can be used as an anticholinergic agent.

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.

Oxyphencyclimine is an orally active muscarinic receptor (mAChR) antagonist. Oxyphencyclimine is effective in reducing ulceration index and increasing pepsin activity in rat gastric ulcer model. Oxyphencyclimine can be used in studies of peptic ulcer disease and gastrointestinal spasm.

Parapenzolate bromide, an antispasmodic, is an orally active mAChR antagonist. Parapenzolate bromide is an anticholinergic agent.

Emraclidine is a muscarinic M4 receptor positive allosteric modulator (WO2018002760, compound 11). Emraclidine can be used for the research of neurological diseases.

Dronedarone D6 hydrochloride is the deuterium labeled Dronedarone. Dronedarone hydrochloride, a derivative of Amiodarone, is a class III antiarrhythmic agent for the study of atrial fibrillation (AF) and atrial flutter. Dronedarone hydrochloride is a potent blocker of multiple ion currents, including potassium current, sodium current, and L-type calcium current, and exhibits antiadrenergic effects by noncompetitive binding to β-adrenergic receptors. Dronedarone hydrochloride is a substrate for and a moderate inhibitor of CYP3A4.

Cycrimine is an orally active muscarinic cholinergic receptor (mAChR) M1 antagonist, reduces the acetylcholine levels in parkinson model. Cycrimine shows antispasmodic activity, can be used in studies of behavioral and mental disorder.

Nitrocaramiphen hydrochloride is an antagonist of muscarinic acetylcholine receptor M1 (mAChR M1), which can completely remove the hyperpolarizing effect of muscarine.

Deschloroclozapine, a metabolite of Clozapine, is a highly potent muscarinic DREADDs (muscarinic Designer Receptors Exclusively Activated by Designer Drugs) agonist, and binds to DREADD receptor subtypes hM3Dq and hM4Di with Ki of 6.3 and 4.2 nM, respectively.

Biperiden (KL 373) lactate is an orally active non-selective muscarinic receptor antagonist that competitively binds to M1 muscarinic receptors. Biperiden (KL 373) lactate inhibits acetylcholine and enhances dopamine signaling in the central nervous system. Biperiden (KL 373) lactate has the potential for the research of Parkinson's disease and other related psychiatric disorders.

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.

Propiverine is a potent antimuscarinic agent. Propiverine inhibits cellular calcium influx, thereby diminishing muscle spasm. Propiverine has neurotropic and musculotropic effects on the urinary bladder smooth muscle. Propiverine can used for overactive bladder (OAB) research.

M1 ligand 1 (compound 3b-b) is a muscarinic acetylcholine receptor M1 ligand. M1 ligand 1 is a N-desmethyl congener of arecoline derivative. M1 ligand 1 can be used as PET (positron emission tomography) radiotracer.

Terodiline is an M1-selective muscarinic receptor (mAChR) antagonist with Kbs of 15, 160, 280, and 198 nM in rabbit vas deferens (M1), atria (M2), bladder (M3) and ileal muscle (M3), respectively. Terodiline also is a Ca2+ blocker. Terodiline acts as a treatment for urinary frequency and urge incontinence.

Penehyclidine (Penequinine) hydrochloride, a anticholinergic drug, 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.

Sabcomeline (SB-202026) is a potent and functionally selective muscarinic M1 receptor partial agonist that improve cognition. Sabcomeline can be used for Alzheimer's disease research.

TAK-071 is a novel, potent and highly selective muscarinic acetylcholine receptor 1 (M1R) positive allosteric modulator. EC50 of TAK-071 M1R agonist activities is 520 nM.

TBPB is an allosteric M1 mAChR agonist(EC50=289 nM) that regulates amyloid processing and produces antipsychotic-like activity in rats.

TD-4208 is a potent and selective inhaled muscarinic antagonist with functional lung selectivity and long duration of action in preclinical models of bronchoconstriction.

Umeclidinium bromide(GSK573719A) is a muscarinic receptor antagonist which is useful in treatment of chronic obstructive pulmonary disease (COPD).

VU6028418 (VU 6028418) is a potent, highly selective, orally bioavailable M4 mAChR antagonist for the treatment of dystonia and other movement disorders.

VU6019650 is a potent, highly selective M5 mAChR orthosteric antagonist with IC50 of 36 nM, >100-fold selectivity against human M1-4.VU6019650 blocked the nonselective muscarinic agonist oxotremorine-M-induced increases in neuronal firing rates of midbrain dopamine neurons in the ventral tegmental area.VU6019650 also inhibited oxycodone self-administration in male Sprague-Dawley rats without impair general motor output.

VU6015241 (VU 6015241) is a highly potent and selective antagonist of M4 muscarinic acetylcholine receptor (mAChR4) with IC50 of 71 nM.VU6015241 demonstrates selectivity across multiple species, excellent aqueous solubility, and moderate brain exposure in rodents after intraperitoneal administration.