mAChR5 Antagonist

4-DAMP (4-DAMP methiodide) is a potent and selective antagonist of M3 receptors and also has a high affinity for the closely-related M5 receptors. 4-DAMP combined with 5-Fluorouracil (5-Fu) (HY-90006) could significantly reduce the cell viability and enhance apoptosis in MKN45 and BGC823 gastric cancer cells. 4-DAMP inhibits lipopolysaccharide (LPS)- and tobacco-induced pulmonary inflammation and reduces mucin 5AC (MUC5AC), oligomeric mucus/gel-forming secretion.

Fesoterodine Fumarate is an orally active, nonsubtype selective, competitive muscarinic receptor (mAChR) antagonist with pK_i 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).

VU6019650 is a potent and selective orthosteric antagonist of M5 mAChR (IC₅₀=36 nM), can be used for opioid use disorder (OUD) relief. VU6019650 can cross blood brain barrier, potentially modulates the mesolimbic dopaminergic reward circuitry. VU6019650 blocks Oxotremorine M iodide (HY-101372A) induced increases of neuronal firing rates of midbrain dopamine neurons in the ventral tegmental area (VTA).

(Rac)-5-Hydroxymethyl Tolterodine ((Rac)-Desfesoterodine), an active metabolite of Tolterodine, is a mAChR antagonist (K_i 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.

Umeclidinium bromide is a novel mAChR antagonist. The affinity (K_i) of Umeclidinium bromide for the cloned human M1-M5 mAChRs ranges from 0.05 to 0.16 nM.

Fesoterodine L-mandelate is an orally active, nonsubtype selective, competitive muscarinic receptor (mAChR) antagonist with pK_i values of 8.0, 7.7, 7.4, 7.3, 7.5 for M1, M2, M3, M4, M5 receptors, respectively. Fesoterodine L-mandelate is used for the overactive bladder (OAB).

Fesoterodine is an orally active, nonsubtype selective, competitive muscarinic receptor (mAChR) antagonist with pK_i values of 8.0, 7.7, 7.4, 7.3, 7.5 for M1, M2, M3, M4, M5 receptors, respectively. Fesoterodine is used for the overactive bladder (OAB).

(Rac)-5-Hydroxymethyl Tolterodine ((Rac)-Desfesoterodine) hydrochloride, an active metabolite of Tolterodine, is a mAChR antagonist (K_i 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.

mAChR antagonist 1 (compound 4a) is a mAChR antagonist with K_i values of 255 nM, 121 nM, 158 nM, and 255 nM for M1, M3, M4, and M5 subtype, respectively.

p-F-HHSiD (p-Fluorohexahydrosiladifenidol) hydrochloride is a potent and selective M3 mAChR antagonist. p-F-HHSiD hydrochloride has antagonistic effects on other subtypes of the M receptor and the alpha1-adrenoceptor. p-F-HHSiD hydrochloride can be used for the researches of cancer, metabolic, neurological and cardiovascular disease such as, colon cancer, Alzheimer’s disease and diabetes.

(Rac)-5-Hydroxymethyl Tolterodine-d₁₄ is the 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.

LAS190792 is a bifunctional muscarinic acetylcholine receptor (mAChR) antagonist and β2-adrenergic receptor agonist. LAS190792 has a pIC₅₀ of 8.8 against human M3 muscarinic receptor and a pIC₅₀ of 9.1 against human β2-adrenergic receptor. LAS190792 exhibits vasodilatory and anti-inflammatory activities, and induces sustained bronchodilation in dogs. LAS190792 inhibits the release of IL-8, MMP9, IL-1β and GM-CSF from lipopolysaccharide-stimulated neutrophils. LAS190792 can be used in research related to respiratory system diseases.

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.

Umeclidinium-d₅ (bromide) is the deuterium labeled Umeclidinium bromide. 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.

Umeclidinium-d₁₀ (bromide) is the deuterium labeled Umeclidinium bromide. 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.

p-F-HHSiD (p-Fluorohexahydrosiladifenidol) is a potent and selective M3 mAChR antagonist. p-F-HHSiD has antagonistic effects on other subtypes of the M receptor and the alpha1-adrenoceptor. p-F-HHSiD can be used for the researches of cancer, metabolic, neurological and cardiovascular disease such as, colon cancer, Alzheimer’s disease and diabetes.

AE9C90CB, muscarinic receptor antagonist, has greater affinity for M3 muscarinic receptors with pK_i of 9.90 and was 20-fold more selective for M3 than for M2 muscarinic receptors.

Atropine Oxide (Atropine oxidation) hydrochloride, a derivative of Atropine, acts as a competitive antagonist to the muscarinic acetylcholine receptors M1, M2, M3, M4, and M5, and is utilized in the treatment of specific nerve agent and pesticide poisonings.