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Results for "

Muscarinic receptor antagonist

" in MedChemExpress (MCE) Product Catalog:

By Targets:	mAChR (162) 5-HT Receptor (14) Adrenergic Receptor (17) Akt (3) Angiotensin-converting Enzyme (ACE) (2) Apoptosis (6) Autophagy (5) Bradykinin Receptor (1) Calcium Channel (2) Cannabinoid Receptor (1) Cholinesterase (ChE) (5) Dopamine Receptor (9) Drug Metabolite (2) Endogenous Metabolite (3) GPR109A (1) Histamine Receptor (6) iGluR (3) Isotope-Labeled Compounds (14) mGluR (1) Mitophagy (4) nAChR (1) p38 MAPK (3) Parasite (1) Sigma Receptor (4) Sodium Channel (3)
By Research Areas:	Cancer (34) Cardiovascular Disease (15) Endocrinology (9) Inflammation/Immunology (25) Metabolic Disease (14) Neurological Disease (142)
Click Chemistry:	Alkynes (1)

179

Inhibitors & Agonists

Peptides

Natural
Products

Isotope-Labeled Compounds

Click Chemistry

Targets Recommended: mAChR

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-13204

Biperiden hydrochloride KL 373 hydrochloride	mAChR	Neurological Disease
Biperiden (KL 373) hydrochloride is a non-selective **muscarinic receptor** antagonist that competitively binds to M1 muscarinic receptors, thereby inhibiting acetylcholine and enhancing dopamine signaling in the central nervous system. Biperiden hydrochloride has the potential for the research of Parkinson's disease and other related psychiatric disorders .

HY-13204A

Biperiden KL 373	mAChR	Neurological Disease
Biperiden (KL 373) is a non-selective **muscarinic receptor** antagonist that competitively binds to M1 muscarinic receptors, thereby inhibiting acetylcholine and enhancing dopamine signaling in the central nervous system. Biperiden has the potential for the research of Parkinson's disease and other related psychiatric disorders .

HY-A0033

Darifenacin 5 Publications Verification UK-88525	mAChR p38 MAPK Akt	Neurological Disease Metabolic Disease Cancer
Darifenacin (UK-88525) is a selective and orally active M3 muscarinic receptor (M3R) antagonist with a pKi of 8.9. Darifenacin binds >20-fold more specifically to M3R than to other muscarinic receptors. Darifenacin can be used in the study of urinary incontinence and other symptoms of overactive bladder. Darifenacin inhibits tumor growth in colorectal cancer cells and has anti-tumor effects .

HY-A0012

Darifenacin hydrobromide 5 Publications Verification UK-88525 hydrobromide	mAChR p38 MAPK Akt	Neurological Disease Metabolic Disease Cancer
Darifenacin (UK-88525) hydrobromide is a selective and orally active M3 muscarinic receptor (M3R) antagonist with a pKi of 8.9. Darifenacin hydrobromide binds >20-fold more specifically to M3R than to other muscarinic receptors. Darifenacin hydrobromide can be used in the study of urinary incontinence and other symptoms of overactive bladder. Darifenacin hydrobromide inhibits tumor growth in colorectal cancer cells and has anti-tumor effects .

HY-B1547A

Benzetimide hydrochloride R4929	mAChR	Neurological Disease
Benzetimide hydrochloride is a muscarinic acetylcholine receptor antagonist.

HY-109196

Velufenacin DA-8010	mAChR	Neurological Disease
Velufenacin is a **muscarinic receptor** antagonist .

HY-13204AR

Biperiden (Standard)	mAChR	Neurological Disease
Biperiden (Standard) is the analytical standard of Biperiden. This product is intended for research and analytical applications. Biperiden (KL 373) is a non-selective **muscarinic receptor** antagonist that competitively binds to M1 muscarinic receptors, thereby inhibiting acetylcholine and enhancing dopamine signaling in the central nervous system. Biperiden has the potential for the research of Parkinson's disease and other related psychiatric disorders .

HY-13204B

Biperiden lactate KL 373 lactate	mAChR	Neurological Disease
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 .

HY-A0012R

Darifenacin (hydrobromide) (Standard) UK-88525 (hydrobromide) (Standard)	mAChR p38 MAPK Akt	Neurological Disease Metabolic Disease Cancer
Darifenacin (hydrobromide) (Standard) is the analytical standard of Darifenacin (hydrobromide). This product is intended for research and analytical applications. Darifenacin (hydrobromide) is a selective and orally active M3 muscarinic receptor (M3R) antagonist with a pKi of 8.9. Darifenacin (hydrobromide) binds >20-fold more specifically to M3R than to other muscarinic receptors. Darifenacin (hydrobromide) can be used in the study of urinary incontinence and other symptoms of overactive bladder. Darifenacin (hydrobromide) inhibits tumor growth in colorectal cancer cells and has anti-tumor effects .

HY-120792

DAU 5884	Others	Others
DAU 5884 is a muscarinic receptor antagonist with activity that discriminates between different muscarinic receptor subtypes. DAU 5884 discriminates between M4 and M2 receptor sites and is a highly potent M1-selective antagonist with specific activity at different muscarinic receptors characterized by radioligand binding studies and functional assays.

HY-B0953A

Pipenzolate bromide	Cholinesterase (ChE)	Neurological Disease
Pipenzolate bromide is a muscarinic receptor antagonist, preventing acetyl choline from binding to the receptors.

HY-101743

Elucaine	mAChR	Inflammation/Immunology
Elucaine is a **muscarinic acetylcholine receptor** antagonist with anti-ulcerative activity.

HY-U00139

Cyclodrine hydrochloride	mAChR nAChR	Neurological Disease
Cyclodrine hydrochloride is a cholinergic (muscarinic, nicotinic) (mAChR and nAChR) receptor antagonist.

HY-120418

L-687306	Others	Others
L-687306 is a high affinity muscarinic M1 receptor partial agonist with activity as a partial agonist of M1 receptors in rat ganglia and as a high affinity competitive antagonist at guinea pig cardiac M2 and ileal M3 muscarinic receptors, useful for studying the receptor reserve of muscarinic receptors.

HY-167699

Cyclodrine	Others	Others
Cyclodrine is a cholinergic receptor antagonist that exhibits biological activity by influencing both muscarinic and nicotinic receptors.

HY-22437

(±)-Darifenacin (±)-UK-88525	mAChR	Neurological Disease Cancer
(±)-Darifenacin is the racemate of Darifenacin. Darifenacin is a selective M3 muscarinic receptor antagonist .

HY-P5175

Muscarinic toxin 7	mAChR	Neurological Disease
Muscarinic toxin 7 is a peptide toxin with selective and noncompetitive antagonism at the muscarinic M1 receptor .

HY-B0461

Trospium chloride	mAChR	Neurological Disease Cancer
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-12426

mAChR-IN-1	mAChR	Neurological Disease
mAChR-IN-1 is a potent muscarinic cholinergic receptor (mAChR) antagonist, with an IC₅₀ of 17 nM .

HY-12426A

mAChR-IN-1 hydrochloride	mAChR	Neurological Disease
mAChR-IN-1 hydrochloride is a potent muscarinic cholinergic receptor (mAChR) antagonist, with an IC₅₀ of 17 nM .

HY-B0547

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

HY-B1388

Homatropine methylbromide Homatropine methobromide	mAChR	Neurological Disease
Homatropine methylbromide (Homatropine methobromide) is muscarinic AChR antagonist, inhibits endothelial and smooth muscle muscarinic receptors of WKY-E and SHR-E with IC₅₀ of 162.5 nM and 170.3 nM, respectively.

HY-22437S

(±)-Darifenacin-d4 (±)-UK-88525-d₄	Isotope-Labeled Compounds mAChR	Neurological Disease Cancer
(±)-Darifenacin-d₄ is deuterium labeled (±)-Darifenacin. (±)-Darifenacin is the racemate of Darifenacin. Darifenacin is a selective M3 muscarinic receptor antagonist[1].

HY-A0024S

Tolterodine-d14 hydrochloride (R)-(+)-Tolterodine-d₁₄ hydrochloride; (+)-Tolterodine-d₁₄ hydrochloride; (R)-Tolterodine-d₁₄ hydrochloride; PNU-200583-d₁₄ hydrochloride	mAChR	Neurological Disease
Tolterodine-d₁₄ (hydrochloride) is the deuterium labeled Tolterodine hydrochloride[1]. Tolterodine hydrochloride is a potent muscarinic receptor antagonist[2][3].

HY-B0547A

Homatropine Bromide	mAChR	Neurological Disease
Homatropine Bromide is an orally active **muscarinic acetylcholine receptor** antagonist and can be used as an anticholinergic agent .

HY-B0460

Tiotropium bromide monohydrate 1 Publications Verification BA-679 BR monohydrate	mAChR	Neurological Disease
Tiotropium bromide (BA-679 BR) monohydrate is a long-acting **muscarinic receptor** antagonist .

HY-115413

LG50643	mAChR	Neurological Disease
LG50643 is a potent and selective M3 muscarinic receptor antagonist (pK_i=8.64).

HY-N0340

Scopolamine butylbromide 1 Publications Verification Hyoscine butylbromide; (-)-Scopolamine butylbromide; Butylscopolamine bromide	mAChR	Neurological Disease
Scopolamine butylbromide is a competitive antagonist of muscarinic acetylcholine receptor (mAChR) with an IC50 of 55.3 ± 4.3 nM.

HY-B0461S

Trospium-d8 chloride	mAChR	Neurological Disease
Trospium-d₈ (chloride) is the deuterium labeled Trospium chloride. 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[1][2].

HY-22437S1

(±)-Darifenacin-d4 hydrobromide (±)-UK-88525-d₄ hydrobromide	Isotope-Labeled Compounds mAChR	Neurological Disease Cancer
(±)-Darifenacin-d₄ (hydrobromide) is deuterium labeled (±)-Darifenacin. (±)-Darifenacin is the racemate of Darifenacin. Darifenacin is a selective M3 muscarinic receptor antagonist[1].

HY-B1621A

Cyclopentolate hydrochloride DL-Cyclopentolate hydrochloride	mAChR	Neurological Disease
Cyclopentolate (DL-Cyclopentolate) hydrochloride is an Atropine-like **muscarinic receptors** antagonist with a pK_B value of 7.8 (on the circular ciliary muscle). Cyclopentolate hydrochloride is an anti-muscarinic agent commonly used in the ophthalmologic practice .

HY-B1621

Cyclopentolate DL-Cyclopentolate	mAChR	Neurological Disease
Cyclopentolate (DL-Cyclopentolate) is an Atropine-like **muscarinic receptors** antagonist with a pK_B value of 7.8 (on the circular ciliary muscle). Cyclopentolate is an anti-muscarinic agent commonly used in the ophthalmologic practice .

HY-14825

Tarafenacin SVT-40776	mAChR	Neurological Disease
Tarafenacin(SVT-40776) is a highly selective M3 muscarinic receptor antagonist (Ki= 0.19 nM), ~200 fold selectivity over M2 receptor.

HY-B0461R

Trospium chloride (Standard)	mAChR	Neurological Disease
Trospium (chloride) (Standard) is the analytical standard of Trospium (chloride). This product is intended for research and analytical applications. 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-A0024

Tolterodine (R)-(+)-Tolterodine; (+)-Tolterodine; (R)-Tolterodine; PNU-200583	mAChR	Neurological Disease Cancer
Tolterodine(PNU-200583) is a potent muscarinic receptor antagonists that show selectivity for the urinary bladder over salivary glands in vivo.

HY-17037S

Pirenzepine-d8 LS 519-d₈ free base; Pirenzepin-d₈; Gastrozepin-d₈	Isotope-Labeled Compounds mAChR	Neurological Disease Inflammation/Immunology
Pirenzepine-d₈ is the deuterium labeled Pirenzepine dihydrochloride. Pirenzepine dihydrochloride (LS519) is a selective M1 muscarinic receptor antagonist.

HY-I0230

Solifenacin hydrochloride 3 Publications Verification YM905 hydrochloride	mAChR	Neurological Disease Cancer
Solifenacin hydrochloride (YM905 hydrochloride) is a **muscarinic receptor** antagonist, with pK_is of 7.6, 6.9 and 8.0 for M₁, M₂ and M₃ receptors, respectively.

HY-U00302

CHF5407	mAChR	Inflammation/Immunology
CHF5407 is a selective, long-acting and competitive **muscarinic M3 receptor** antagonist. CHF5407 shows subnanomolar affinities for human muscarinic M1 (hM1), M2 (hM2) and M3 (hM3) receptors. CHF5407 shows a prolonged antibronchospastic activity .

HY-107646

PD 102807	mAChR	Neurological Disease
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-A0002

Solifenacin Succinate 3 Publications Verification YM905	mAChR	Neurological Disease
Solifenacin Succinate (YM905) is a novel **muscarinic receptor** antagonist with pK_is of 7.6, 6.9 and 8.0 for M₁, M₂ and M₃ receptors, respectively.

HY-14825A

Tarafenacin D-tartrate SVT-40776 D-tartrate	mAChR	Neurological Disease
Tarafenacin D-tartrate (SVT-40776 D-tartrate) is a highly selective M3 muscarinic receptor antagonist (Ki= 0.19 nM), ~200 fold selectivity over M2 receptor.

HY-A0034

Solifenacin 3 Publications Verification YM905 free base	mAChR	Neurological Disease
Solifenacin (YM905 free base) is a novel **muscarinic receptor** antagonist with pK_is of 7.6, 6.9 and 8.0 for M₁, M₂ and M₃ receptors, respectively.

HY-107645

DAU 5884 hydrochloride	mAChR	Neurological Disease
DAU 5884 hydrochloride is a potent **muscarinic M3 receptor** antagonist. DAU 5884 hydrochloride inhibits methacholine-dependent effects on cell proliferation and muscle contractility .

HY-P1376

G-Protein antagonist peptide	mAChR Adrenergic Receptor	Endocrinology
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 G_i or G_o and inhibits G_s activation by β-adrenoceptors.

HY-17360

Tiotropium Bromide 1 Publications Verification BA679 BR	mAChR	Neurological Disease
Tiotropium Bromide (BA679 BR) is a muscarinic acetylcholine receptor (mAChR) antagonist that blocks the binding of the acetylcholine ligand and subsequent opening of the ligand-gated ion channel.

HY-105545

Dexetimide (+)-Benzetimide; (S)-(+)-Dexetimide; Dexbenzetimide	mAChR	Neurological Disease
Dexetimide ((+)-Benzetimide; (S)-(+)-Dexetimide; Dexbenzetimide) is a piperidine anticholinergic and a high-affinity **muscarinic receptor** antagonist. Dexetimide can be used in studies of parkinson's disease .

HY-116294A

Methoctramine tetrahydrochloride 1 Publications Verification	mAChR	Cardiovascular Disease
Methoctramine tetrahydrochloride is a potent and cardioselectivity antagonist of M2 muscarinic receptor. Methoctramine tetrahydrochloride can inhibit Muscarine-induced bradycardia in vivo .

HY-B1277A

Trihexyphenidyl	mAChR Cholinesterase (ChE)	Neurological Disease
Trihexyphenidyl is a potent and selective M1 muscarinic receptor antagonist. Trihexyphenidyl shows anticholinergic activity, and can be used for Parkinson syndrome or dystonia research .

HY-B1339

Dicyclomine hydrochloride Dicycloverine hydrochloride	mAChR	Neurological Disease
Dicyclomine hydrochloride is a potent and orally active **muscarinic cholinergic receptors** antagonist. Dicyclomine hydrochloride shows high affinity for muscarinic M1 receptor subtype (K_i=5.1 nM) and M2 receptor subtype (K_i=54.6 nM) in brush-border membrane and basal plasma membranes, respectively . Dicyclomine is an antispasmodic agent and relieves smooth muscle spasm of the gastrointestinal tract in vivo .

HY-B1621AR

Cyclopentolate hydrochloride (Standard)	mAChR	Neurological Disease
Cyclopentolate (hydrochloride) (Standard) is the analytical standard of Cyclopentolate (hydrochloride). This product is intended for research and analytical applications. Cyclopentolate (DL-Cyclopentolate) hydrochloride is an Atropine-like muscarinic receptors antagonist with a pKB value of 7.8 (on the circular ciliary muscle). Cyclopentolate hydrochloride is an anti-muscarinic agent commonly used in the ophthalmologic practice .

Cat. No.	Product Name	Target	Research Area

HY-P1376A

G-Protein antagonist peptide TFA	mAChR Adrenergic Receptor	Endocrinology
G-Protein antagonist peptide TFA is a truncated substance P-related peptide, competes with receptor for G protein binding. G-Protein antagonist peptide TFA inhibits the activation of G_i or G_o by M2 muscarinic cholinergic receptor (M2 mAChR) or of G_s by beta-adrenergic receptor in the reconstituted phospholipid vesicles, assayed by receptor-promoted GTP hydrolysis .

HY-P5175

Muscarinic toxin 7	mAChR	Neurological Disease
Muscarinic toxin 7 is a peptide toxin with selective and noncompetitive antagonism at the muscarinic M1 receptor .

HY-P1376

G-Protein antagonist peptide	mAChR Adrenergic Receptor	Endocrinology
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 G_i or G_o and inhibits G_s activation by β-adrenoceptors.

HY-P5846

Muscarinic toxin 3 MT3	mAChR Adrenergic Receptor	Neurological Disease
Muscarinic toxin 3 (MT3) is a potent and non-competitive mAChR and adrenoceptors antagonist with pIC₅₀s of 6.71, 8.79, 8.86, 7.57, 8.13, 8.49, <6.5, 7.29 against M₁, M₄, α_1A, α_1B, α_1D,α_2A,α_2B and α_2C receptors, respectively. Muscarinic toxin 3 displays prominent adrenoceptor activity .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-N0340

Scopolamine butylbromide 1 Publications Verification Hyoscine butylbromide; (-)-Scopolamine butylbromide; Butylscopolamine bromide	Alkaloids Structural Classification Other Alkaloids Source classification Datura metel L. Solanaceae Plants	mAChR
Scopolamine butylbromide is a competitive antagonist of muscarinic acetylcholine receptor (mAChR) with an IC50 of 55.3 ± 4.3 nM.

HY-N0471

L-Hyoscyamine 2 Publications Verification Hyoscyamine	Alkaloids Structural Classification Hyoscyamus niger L. Other Alkaloids Source classification Solanaceae Plants	mAChR
L-Hyoscyamine (Daturine), a natural plant tropane alkaloid, is a potent and competitive muscarinic receptor (MR) antagonist. L-Hyoscyamine is a levo-isomer to Atropine (HY-B1205) .

HY-N0471A

L-Hyoscyamine sulfate 2 Publications Verification Daturine sulfate	Alkaloids Structural Classification other families Other Alkaloids Source classification Plants	mAChR
L-Hyoscyamine sulfate (Daturine sulfate), a natural plant tropane alkaloid, is a potent and competitive muscarinic receptor (MR) antagonist. L-Hyoscyamine sulfate is a levo-isomer to Atropine (HY-B1205) .

HY-N0214

Peimisine 2 Publications Verification Ebeiensine	Alkaloids Piperidine Alkaloids Structural Classification Liliaceae Classification of Application Fields Source classification Plants Inflammation/Immunology Disease Research Fields Fritillaria cirrhosa	mAChR Angiotensin-converting Enzyme (ACE) Apoptosis
Peimisine (Ebeiensine) is a **muscarinic M receptor** antagonist and angiotensin converting enzyme (ACE) inhibitor. Peimisine shows anti-tumor, anti-inflammatory, antihypertensive activities. Peimisine can induce apoptosis and be used in cough and asthma research .

HY-B1205

Atropine Maximum Cited Publications 16 Publications Verification Tropine tropate; DL-Hyoscyamine	Alkaloids Structural Classification Microorganisms Other Alkaloids Source classification Atropa belladonna Linn. Solanaceae Plants Endogenous metabolite	mAChR Endogenous Metabolite
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-B1205R

Atropine (Standard) Tropine tropate (Standard); DL-Hyoscyamine (Standard)	Source classification Atropa belladonna Linn. Solanaceae Plants Endogenous metabolite	mAChR Endogenous Metabolite
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-N0214A

Peimisine hydrochloride Ebeiensine hydrochloride	Alkaloids Piperidine Alkaloids Structural Classification Liliaceae Classification of Application Fields Source classification Fritillaria ussuriensis Maxim. Plants Inflammation/Immunology Disease Research Fields	mAChR Angiotensin-converting Enzyme (ACE) Apoptosis
Peimisine (Ebeiensine) hydrochloride is a **muscarinic M receptor** antagonist and angiotensin converting enzyme (ACE) inhibitor. Peimisine hydrochloride shows anti-tumor, anti-inflammatory, antihypertensive activities. Peimisine can induce apoptosis and be used in cough and asthma research .

HY-N0471R

L-Hyoscyamine (Standard)	Alkaloids Structural Classification Hyoscyamus niger L. Other Alkaloids Source classification Solanaceae Plants	mAChR
L-Hyoscyamine (Standard) is the analytical standard of L-Hyoscyamine. This product is intended for research and analytical applications. L-Hyoscyamine (Daturine), a natural plant tropane alkaloid, is a potent and competitive muscarinic receptor (MR) antagonist. L-Hyoscyamine is a levo-isomer to Atropine (HY-B1205) .

HY-N0471AR

L-Hyoscyamine sulfate (Standard)	Alkaloids Structural Classification other families Other Alkaloids Source classification Plants	mAChR
L-Hyoscyamine (sulfate) (Standard) is the analytical standard of L-Hyoscyamine (sulfate). This product is intended for research and analytical applications. L-Hyoscyamine sulfate (Daturine sulfate), a natural plant tropane alkaloid, is a potent and competitive muscarinic receptor (MR) antagonist. L-Hyoscyamine sulfate is a levo-isomer to Atropine (HY-B1205) .

HY-B2065

Scopolamine hydrochloride (-)-Scopolamine hydrochloride; Hyoscine hydrochloride	Alkaloids Structural Classification Other Alkaloids Source classification Atropa belladonna Linn. Solanaceae Plants	mAChR 5-HT Receptor
Scopolamine hydrochloride is a non-selective and high affinity (≤1 nM) *muscarinic* antagonist that is used for the prevention of post-operative nausea and vomiting. Scopolamine readily passes the blood brain barrier. Scopolamine also reversibly inhibits 5-HT3 receptor-responses with an IC₅₀ of 2.09 μM . Scopolamine induces Alzheimer's disease-like pathology through alteration of cholinergic system .

HY-B1205AR

Atropine sulfate (Standard)	Alkaloids Structural Classification Other Alkaloids Source classification Atropa belladonna Linn. Solanaceae Plants	mAChR
Atropine (sulfate) (Standard) is the analytical standard of Atropine (sulfate). This product is intended for research and analytical applications. 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-B0394R

Atropine sulfate monohydrate (Standard)	Alkaloids Structural Classification Other Alkaloids Source classification Atropa belladonna Linn. Solanaceae Plants	mAChR
Atropine (sulfate monohydrate) (Standard) is the analytical standard of Atropine (sulfate monohydrate). This product is intended for research and analytical applications. 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 .

Cat. No.	Product Name	Chemical Structure

HY-A0024S

Tolterodine-d14 hydrochloride
Tolterodine-d₁₄ (hydrochloride) is the deuterium labeled Tolterodine hydrochloride[1]. Tolterodine hydrochloride is a potent muscarinic receptor antagonist[2][3].

HY-B0394S

Atropine-d5
Atropine-d₅ is the deuterium labeled Atropine (sulfate monohydrate). Atropine (Tropine tropate) sulfate monohydrate is a broad-spectrum and competitive muscarinic acetylcholine receptor (mAChR) antagonist with anti-myopia effect[1].

HY-22437S

(±)-Darifenacin-d4
(±)-Darifenacin-d₄ is deuterium labeled (±)-Darifenacin. (±)-Darifenacin is the racemate of Darifenacin. Darifenacin is a selective M3 muscarinic receptor antagonist[1].

HY-B0461S

Trospium-d8 chloride
Trospium-d₈ (chloride) is the deuterium labeled Trospium chloride. 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[1][2].

HY-22437S1

(±)-Darifenacin-d4 hydrobromide
(±)-Darifenacin-d₄ (hydrobromide) is deuterium labeled (±)-Darifenacin. (±)-Darifenacin is the racemate of Darifenacin. Darifenacin is a selective M3 muscarinic receptor antagonist[1].

HY-17037S

Pirenzepine-d8
Pirenzepine-d₈ is the deuterium labeled Pirenzepine dihydrochloride. Pirenzepine dihydrochloride (LS519) is a selective M1 muscarinic receptor antagonist.

HY-I0230S

Solifenacin-d7 hydrochloride
Solifenacin-d₇ (hydrochloride) is the deuterium labeled Solifenacin hydrochloride. 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-A0002S

Solifenacin-d5 succinate
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-B1339AS

Dicyclomine-d4

Dicyclomine-d₄ is the deuterium labeled Dicyclomine[1]. Dicyclomine (Dicycloverine) is a potent and orally active muscarinic cholinergic receptors antagonist. Dicyclomine (Dicycloverine) shows high affinity for muscarinic M1 receptor subtype (Ki=5.1 nM) and M2 receptor subtype (Ki=54.6 nM) in brush-border membrane and basal plasma membranes, respectively[2]. Dicyclomine is an antispasmodic agent and relieves smooth muscle spasm of the gastrointestinal tract in vivo[3].

HY-A0033S1

Darifenacin-d4
Darifenacin-d₄ is the deuterium labeled Darifenacin[1]. Darifenacin(UK88525) is a selective M3 muscarinic receptor antagonist with pKi of 8.9. IC50 value: 8.9 (pKi)[2].

HY-17360S

Tiotropium-d3 bromide
Tiotropium-d₃ (bromide) is the deuterium labeled Tiotropium (Bromide). Tiotropium Bromide (BA679 BR) is a muscarinic acetylcholine receptor (mAChR) antagonist that blocks the binding of the acetylcholine ligand and subsequent opening of the ligand-gated ion channel.

HY-17360S1

Tiotropium-d6 bromide
Tiotropium-d₆ (bromide) is deuterium labeled Tiotropium (Bromide). Tiotropium Bromide (BA679 BR) is a muscarinic acetylcholine receptor (mAChR) antagonist that blocks the binding of the acetylcholine ligand and subsequent opening of the ligand-gated ion channel.

HY-N0471S

L-Hyoscyamine-d3
L-Hyoscyamine-d₃ is the deuterium labeled L-Hyoscyamine. L-Hyoscyamine (Daturine), a natural plant tropane alkaloid, is a potent and competitive muscarinic receptor (MR) antagonist. L-Hyoscyamine is a levo-isomer to Atropine (HY-B1205)[1][2].

HY-135329S

(1R,3S-)Solifenacin-d5 hydrochloride
(1R,3S-)Solifenacin-d₅ (hydrochloride) is the deuterium labeled Solifenacin D5 hydrochloride. 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[1].

HY-B0321S

Tropicamide-d3
Tropicamide-d₃ is the deuterium labeled Tropicamide[1]. 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[2][3].

HY-W654210

Glycopyrrolate-d3 bromide
Glycopyrrolate-d₃ (bromide) is deuterium labeled Glycopyrrolate. Glycopyrrolate (Glycopyrronium bromide), a quaternary ammonium derivative, is a **muscarinic receptor** antagonist. Glycopyrrolate has bronchoprotective effect and produces a beneficial effect on blood pressure. Glycopyrrolate can be used for the research of bronchial diseases .

HY-B0241S

Ipratropium-d3 bromide
Ipratropium-d₃ (bromide) is the deuterium labeled Ipratropium bromide. Ipratropium bromide (Sch 1000) is a muscarinic receptor antagonist, with binding IC50 values of 2.9 nM, 2 nM, and 1.7 nM for M1, M2, and M3 receptors, respectively. Ipratropium bromide can be used in the research for COPD (chronic obstructive pulmonary disease) and asthma[1][2][3].

HY-B0241S1

Ipratropium-d7 bromide
Ipratropium-d₇ (bromide)eis the deuterium labeled Ipratropium bromide. Ipratropium bromide (Sch 1000) is a muscarinic receptor antagonist, with binding IC50 values of 2.9 nM, 2 nM, and 1.7 nM for M1, M2, and M3 receptors, respectively. Ipratropium bromide can be used in the research for COPD (chronic obstructive pulmonary disease) and asthma[1][2][3].

HY-A0030S

Fesoterodine-d7 fumarate
Fesoterodine-d₇ (fumarate) is the deuterium labeled Fesoterodine fumarate[1]. 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)[2][3].

HY-17037S1

Pirenzepine-d8 dihydrochloride

Pirenzepine-d₈ (LS 519-d₈; Pirenzepin-d₈) dihydrochloride is a deuterium labeled Pirenzepine (dihydrochloride) (HY-17037). 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-76569S1

(R)-Hydroxytolterodine-d14

(R)-Hydroxytolterodine-d₁₄ is deuterated labeled Desfesoterodine (HY-76569). Desfesoterodine (PNU-200577) is a potent and selective muscarinic receptor (mAChR) antagonist with a K_B and a pA₂ of 0.84 nM and 9.14, respectively . Desfesoterodine is a major pharmacologically active metabolite of Tolterodine (PNU-200583; HY-A0024) and Fesoterodine (HY-70053) . Desfesoterodine improves cerebral infarction induced detrusor overactivity in rats .

HY-B0267BS

Oxybutynin-d5 hydrochloride

Oxybutynin-d₅ hydrochloride is deuterated labeled (R)-Oxybutynin hydrochloride (HY-B0267B). (R)-Oxybutynin hydrochloride, a (R)-isomer of Oxybutynin hydrochloride, is an orally active muscarinic receptor antagonist. (R)-Oxybutynin hydrochloride has antimuscarinic, antispasmodic and anticholinergic activity, competitively antagonizes Carbachol-induced contractions. (R)-Oxybutynin hydrochloride can be used for researching incontinence due to neurogenic bladder dysfunction . (R)-Oxybutynin hydrochloride is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-14541S2

Olanzapine-d8

Olanzapine-d8 is a deuterated labeled Olanzapine . Olanzapine (LY170053) is a selective, orally active monoaminergic antagonist with high affinity binding to serotonin H1, 5HT2A/2C, 5HT3, 5HT6 (K_i=7, 4, 11, 57, and 5 nM, respectively), dopamine D1-4 (K_i=11 to 31 nM), muscarinic M1-5 (K_i=1.9-25 nM), and adrenergic α1 receptor (K_i=19 nM). Olanzapine is an atypical antipsychotic .

HY-10564S

Sarpogrelate-d3 hydrochloride

Sarpogrelate-d₃ (hydrochloride) is the deuterium labeled Sarpogrelate hydrochloride. Sarpogrelate hydrochloride (MCI-9042) is a selective 5-HT2R antagonist, with pKis of 8.52, 6.57, and 7.43 for 5-HT2A, 5-HT2B, and 5-HT2C receptors, respectively. Sarpogrelate hydrochloride displays selectivity over 5-HT1, 5-HT3, 5-HT4, α1-, α2- and β-adrenoreceptor, histamine H1, H2 and muscarinic M3 receptors. Sarpogrelate hydrochloride can be used for the research of vascular disease associated with thrombosis[1][2][3].

Cat. No.	Product Name		Classification

HY-120329

Lu 26-046		Alkynes
Lu 26-046 is the agonist for **muscarinic M1 receptor** and M2 receptor and a weak antagonist for M3 receptor, with K_i of 0.51, 26 and 5 nM, respectively. Lu 26-046 exhibits specific stimulus property, that can be recognized by rats .

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