Nor-benzetimide is a major metabolite of Benzetimide. Benzetimide is a mAChR antagonist with anticholinergic activity.

VU0119498 is a pan Gq mAChR M1, M3, M5 positive allosteric modulator (PAM), with EC50s of 6.04, 6.38, and 4.08 μM, respectively. VU0119498 has antidiabetic activity.

JHU37152 is a Designer Receptors Exclusively Activated by Designer Drug (DREADD) agonist with Ki of 1.8 nM and 8.7 nM for human muscarinic acetylcholine M3 receptors (hM3Dq) and hM4Di in vitro, respectively. And EC50 values are 5 nM and 0.5 nM for hM3Dq and hM4Di in fluorescent and BRET-based assays in HEK-293 cells, respectively.,hM4Di [1](Cell-free assay) hM3Dq [1](Cell-free assay) hM3Dq [1](Cell-free assay) hM4Di [1](Cell-free assay) 0.5 nM(EC50) 1.8 nM(Ki) 5 nM(EC50) 8.7 nM(Ki),JHU37152 is a potent DREADD agonist with high potency and efficacy in fluorescent and BRET-based assays in HEK-293 cells, whereas no responses are observed in untransfected HEK-293 cells.[1],JHU37152 exhibits high in vivo DREADD potency. JHU37152 exhibits selective [3H]clozapine displacement from DREADDs in brain tissue from WT and D1-DREADD mice.[1]

DREADD agonist 21 is a potent muscarinic hM3Dq DREADD agonist (EC50 = 1.7 nM). Highly selective for hM3Dq DREADDs over endogenous hM3 receptors.

Iperoxo is a superagonist of the muscarinic acetylcholine receptors and an OxotremorineM analog.

Navafenterol (AZD-8871) is an inhaled dual-acting, potent, selective, and long-lasting M3-antagonist/β2-agonist (MABA) with long-lasting effects and favorable safety profile. The pIC50 is 9.5 for human M3 receptor, and the pEC50 is 9.5 for β2-adrenoceptor. Navafenterol can be used for the research of chronic obstructive pulmonary disease (COPD). Bronchoprotective and antisialagogue effects. Favorable cardiovascular profile.

(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.

(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.

Navafenterol (AZD-8871) saccharinate is an inhaled, long-acting bronchodilator, which is a muscarinic antagonist and β2 agonist.

LY2033298 is a robust allosteric potentiator that is highly selective for the human M4 muscarinic acetylcholine receptor subtype. LY2033298 enhances inhibition by oxotremorine of light-induced phase shifts in hamster circadian activity rhythms.

(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 = 7.8).

JHU37160 is a potent and brain-penetrant DREADD agonist, with EC50s of 18.5 nM and 0.2 nM for hM3Dq and hM4Di DREADDs in HEK-293 cells, respectively. JHU37160 exhibits selective [3H]Clozapine displacement from DREADDs and not from other Clozapine-binding sites in mice brain tissue.

W-84 (dibromide) is a potent allosteric modulator of M2-cholinoceptors, which retards [3H]N-methylscopolamine dissociation. W-84 dibromide can stabilize cholinergic antagonist-receptor complexes. W-84 (dibromide) is a non-competitive muscarinic acetylcholine receptors antagonist with allosteric effects. W-84 (dibromide) protects over additively against an organophosphate-intoxication when applied in combination with atropine.

Muscarine ((+)-Muscarine) iodide is a toxin that can stimulate the parasympathetic nervous system. Muscarine iodide is a prototype muscarinic acetylcholine receptor agonist.

Xanomeline, as an effective and selective muscarinic type 1 and type 4 (M1/M4) receptor agonist, increases neuronal excitability. Xanomeline can be used for the research of neurological disorders, such as schizophrenia.

VU6000918 is a muscarinic acetylcholine (M4) positive allosteric modulator, with an EC50 of 19 nM for hM4.

Guvacoline hydrochloride, a pyridine alkaloid found in Areca triandra, can act as a weak full agonist of atrial and ileal muscarinic receptors.

Ipratropium bromide (Atrovent, Sch 1000) monohydrate is an antagonist of muscarinic acetylcholine receptors (mAChR) with IC50 of 2.9 nM, 2.0 nM, and 1.7 nM for M1, M2, and M3 receptors, respectively.

G-Protein antagonist peptide TFA is the substance P-related peptide that inhibits binding of G proteins to their receptors. G-Protein antagonist peptide TFA competitively and reversibly inhibits M2 muscarinic receptor activation of Gi or Go and inhibits Gs activation by β-adrenoceptors.

G-Protein antagonist peptide is the substance P-related peptide that inhibits binding of G proteins to their receptors. G-Protein antagonist peptide competitively and reversibly inhibits M2 muscarinic receptor activation of Gi or Go and inhibits Gs activation by β-adrenoceptors.

[D-Trp7,9,10]-Substance P TFA is the substance P analog that inhibits activation of Gq/11 by M1 muscarinic ACh receptors. [D-Trp7,9,10]-Substance P TFA does not inhibit Gi/o activation by M2 ACh receptors.

[D-Trp7,9,10]-Substance P is the substance P analog that inhibits activation of Gq/11 by M1 muscarinic ACh receptors. [D-Trp7,9,10]-Substance P does not inhibit Gi/o activation by M2 ACh receptors.

Anisodamine hydrobromide (6-Hydroxyhyoscyamine hydrobromide), a belladonna alkaloid, is a non-subtype-selective muscarinic and a nicotinic cholinoceptor antagonist. Anisodamine hydrobromide shows antioxidant, anti-inflammatory properties.

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.

Clidinium-D5 bromide (Ro 2-3773-D5) is the deuterium labeled Clidinium bromide. Clidinium bromide is a quaternary amine antimuscarinic agent.

(R,R)-Glycopyrrolate ((R,R)-Glycopyrronium (bromide); (R,R)-Glycopyrrolate (bromide)) is an anticholinergic agent. (R,R)-Glycopyrrolate ((R,R)-Glycopyrronium (bromide); (R,R)-Glycopyrrolate (bromide)) has the ability to reduce the frequency of drooling in vivo with developmental disabilities.

Terodiline hydrochloride 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 hydrochloride also is a Ca2+ blocker. Terodiline hydrochloride acts as a treatment for urinary frequency and urge incontinence.

Solifenacin D5 hydrochloride is a deuterium labeled Solifenacin hydrochloride. Solifenacin hydrochloride is a muscarinic receptor antagonist with pKis of 7.6, 6.9 and 8.0 for M1, M2 and M3 receptors, respectively.

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.

PQCA is a highly selective and potent muscarinic M1 receptor positive allosteric modulator. PQCA has an EC50 value of 49 nM and 135 nM on rhesus and human M1 receptor, respectively, and is inactive for other muscarinic receptors. PQCA improves cognitive performance and cerebral blood flow in rat, cynomolgus macaque, and rhesus macaque. PQCA has potential to reduce the cognitive deficits associated with Alzheimer's disease.