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prolongation

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Adenosine Receptor (1) Calcium Channel (4) Cannabinoid Receptor (1) Drug Intermediate (1) Drug Isomer (1) Endogenous Metabolite (2) Epigenetic Reader Domain (2) FLT3 (3) HIV (1) Integrin (1) IRAK (1) Potassium Channel (4) PTHR (1) Reference Standards (2) Sodium Channel (5)
By Research Areas:	Cancer (3) Cardiovascular Disease (12) Endocrinology (1) Infection (1) Inflammation/Immunology (1) Metabolic Disease (1) Neurological Disease (3)
Oligonucleotides:	Antisense Oligonucleotides (1)

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Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-17429

Flecainide acetate 3 Publications Verification R-818	Sodium Channel	Cardiovascular Disease
Flecainide acetate (R-818) is a class 1C antiarrhythmic agent especially used for the management of supraventricular arrhythmia; works by blocking the Nav1.5 sodium channel in the heart, causing prolongation of the cardiac action potential.

HY-103175

PSB36 1 Publications Verification	Adenosine Receptor	Cardiovascular Disease Neurological Disease Inflammation/Immunology
PSB36 is a highly selective A₁ adenosine receptor antagonist, with a K_i of 0.12 nM and a K_d of 0.7 nM. Systemic administration of PSB36 reduces formalin- and Carrageenan (HY-125474)-induced edema in mice and decreases pain-related behaviors, with no local paw activity. PSB36 prolongs the APD₉₀ of rat and human atria, produces a frequency-dependent prolongation of rat atrial ERP, increases the diastolic threshold of rat atria, and shortens the duration of atrial fibrillation episodes. PSB36 can be used in research related to inflammatory pain, inflammatory hyperalgesia, edema and atrial fibrillation .

HY-156794

Enzomenib DSP-5336	Epigenetic Reader Domain FLT3	Cancer
Enzomenib (DSP-5336) is an orally active Menin inhibitor (IC₅₀=1.4 nM, K_d=6.0 nM). Enzomenib disrupts the interaction between Menin and KMT2A/MLL fusion proteins, specifically inhibits the expression of leukemia driver genes such as HOX/MEIS1, and upregulates ITGAM. Enzomenib effectively induces cell differentiation, inhibits tumor cell proliferation, and suppresses primitive cell colony formation. Enzomenib reduces disease burden and prolongs survival, but causes adverse reactions including differentiation syndrome and QTc interval prolongation. Enzomenib is used for research on relapsed/refractory acute myeloid leukemia, acute lymphoblastic leukemia, and other hematologic malignancies with mixed lineage leukemia (MLL) rearrangements or NPM1 mutations .

HY-112075

Lidoflazine	Potassium Channel Calcium Channel	Cardiovascular Disease
Lidoflazine is a high affinity blocker of the HERG (human ether-a-go-go-related gene) K ⁺ channel. Lidoflazine is an antianginal calcium channel blocker that carries a significant risk of QT interval prolongation and ventricular arrhythmia .

HY-N9371

Crocin IV Dicrocin	Endogenous Metabolite	Others
Crocin IV (Dicrocin), a crocetin glycoside, is a carotenoid pigment. Crocin IV has potent antioxidant activity .

HY-149906

Trecovirsen GEM91	HIV	Infection
Trecovirsen is an antiviral agent targeting HIV gag mRNA, which hybridizes with complementary HIV gag mRNA at the initiation site. Trecovirsen induces a reversible, dose-dependent prolongation of activated partial thromboplastin time via its polyanionic properties. Trecovirsen is applicable to research related to HIV infection .

HY-113421

Linoleoyl ethanolamide Linoleic acid monoethanolamide	Cannabinoid Receptor	Neurological Disease
Linoleoyl ethanolamide (Linoleic acid monoethanolamide) is classified as a fatty acid ethanolamide. Linoleoyl ethanolamide only weakly binds G-protein-coupled cannabinoid receptors of type-1（CB1）and CB2 receptors, and inhibits the binding of ^[3H]CP-55,940 with K_is of 10 and 25 μM, respectively. Linoleoyl ethanolamide is 4-fold less potent than anandamide at causing catalepsy in mice and it does not prolong sleep time .

HY-108579

UCL 1684 dibromide	Potassium Channel	Cardiovascular Disease
UCL 1684 (dibromide) is a first nanomolar, non-peptidic small conductance calcium-activated potassium (SK) channel blocker. UCL 1684 (dibromide) is effective in preventing the development of atrial fibrillation due to potent atrial-selective inhibition of I_Na. UCL 1684 (dibromide) causes atrial-selective prolongation of ERP secondary to induction of postrepolarization refractoriness .

HY-159953

IRAK1/4/pan-FLT3 Kinase-IN-1	IRAK FLT3	Cancer
IRAK1/4/pan-FLT3 Kinase-IN-1 (Compound 31) is a potent inhibitor of IRAK1, IRAK4, and FLT3 kinases, with an IC₅₀ of 5 nM for IRAK1, 0.6 nM for IRAK4, and less than 0.5 nM for FLT3. IRAK1/4/pan-FLT3 Kinase-IN-1 has good pharmacokinetic properties and shows promising potential for research in acute myeloid leukemia, with a survival prolongation effect comparable to that of Gilteritinib (HY-12432) .

HY-17429S

Flecainide-d4 acetate R-818-d₄	Sodium Channel	Cardiovascular Disease
Flecainide-d₄ (acetate) is the deuterium labeled Flecainide acetate. Flecainide acetate (R-818) is a class 1C antiarrhythmic agent especially used for the management of supraventricular arrhythmia; works by blocking the Nav1.5 sodium channel in the heart, causing prolongation of the cardiac action potential .

HY-106682

Falipamil AQ-A 39	Calcium Channel	Cardiovascular Disease
Falipamil (AQ-A 39), a calcium channel blocker, is a bradycardic agent. The bradycardic effect results from a reduction in the diastolic depolarization rate and a prolongation of the action potential duration .

HY-19229

TAK-029	Integrin	Cardiovascular Disease
TAK-029 is a potent GP IIb/IIIa antagonist. TAK-029 has potent antithrombotic effects with bleeding time (BT) prolongation in arterial thrombosis models. TAK-029 can be used for the research of various arterial thrombotic diseases .

HY-N9371R

Crocin IV (Standard) Dicrocin (Standard)	Reference Standards Endogenous Metabolite	Others
Crocin IV (Standard) is the analytical standard of Crocin IV. This product is intended for research and analytical applications. Crocin IV (Dicrocin), a crocetin glycoside, is a carotenoid pigment. Crocin IV has potent antioxidant activity .

HY-111245

AZD-1305	Potassium Channel Calcium Channel Sodium Channel	Cardiovascular Disease Neurological Disease
AZD-1305 is an antiarrhythmic agent and atrial selective sodium channel/potassium channel blocker, which can significantly prolongs action potential duration and reduces excitability, cause atrial selective ERP prolongation and acute termination of atrial fibrillation. AZD1305 can be used for atrial fibrillation research .

HY-17429R

Flecainide acetate (Standard) R-818 (Standard)	Reference Standards Sodium Channel	Cardiovascular Disease
Flecainide (acetate) (Standard) is the analytical standard of Flecainide (acetate). This product is intended for research and analytical applications. Flecainide acetate (R-818) is a class 1C antiarrhythmic agent especially used for the management of supraventricular arrhythmia; works by blocking the Nav1.5 sodium channel in the heart, causing prolongation of the cardiac action potential.

HY-171008

Linoleoyl ethanolamide phosphate	Drug Intermediate	Metabolic Disease
Linoleoyl ethanolamide phosphate is an intermediate in the biosynthesis of Linoleoyl ethanolamide (HY-113421). Linoleoyl ethanolamide phosphate combined with other endogenous N-acylethanolamines plays a role in the regulation of food intake by selective prolongation of feeding latency and post-meal interval .

HY-136995

AFD-21 maleate	Sodium Channel	Cardiovascular Disease
AFD-21 maleate is a drug with antiarrhythmic activity. AFD-21 maleate inhibits sodium channels by binding to sodium channels in an inactive state, with both use-dependent and voltage-dependent effects. The unbinding rate of AFD-21 maleate is similar to that of Class I antiarrhythmic drugs with moderate kinetics. AFD-21 maleate can cause a slight prolongation of the action potential duration and significantly reduce the maximum rise rate of the action potential at certain concentrations. AFD-21 maleate also showed use-dependent blocking effects as stimulation frequency increased .

HY-179356

Octadecyl β-D-glucopyranosiduronic acid	PTHR	Endocrinology
Octadecyl β-D-glucopyranosiduronic acid (Compound 9) is a parathyroid hormone 1 receptor (PTH1R) activator, with a pEC₅₀ value > 9. Octadecyl β-D-glucopyranosiduronic acid can be used for research on hypoparathyroidism .

HY-124940

CPU-228	Calcium Channel Potassium Channel	Cardiovascular Disease
CPU-228 is a complex class III antiarrhythmic agent. CPU-228 concentration-dependently blocks the activities of the rapid component 50 of the delayed rectifier potassium channel (I_Kr) and the L-type calcium channel (I_Ca,L), with an IC₅₀ value of 0.909 μM for I_Ca,L current. CPU-228 produces negative inotropic effects and induces mild, non-frequency-dependent prolongation of the effective refractory period (ERP) in isolated left atria. CPU-228 reduces the incidence of torsades de pointes (TDP) in anesthetized rabbits and inhibits ischemia/reperfusion-induced arrhythmias in rats. CPU-228 can be used in studies related to torsades de pointes .

HY-156794A

Enzomenib enantiomer DSP-5336 enantiomer	Drug Isomer FLT3 Epigenetic Reader Domain	Cardiovascular Disease Cancer
Enzomenib enantiomer (DSP-5336 enantiomer) is an enantiomer of Enzomenib (HY-156794). Enzomenib (DSP-5336) is an orally active Menin inhibitor (IC₅₀=1.4 nM, K_d=6.0 nM). Enzomenib disrupts the interaction between Menin and KMT2A/MLL fusion proteins, specifically inhibits the expression of leukemia driver genes such as HOX/MEIS1, and upregulates ITGAM. Enzomenib effectively induces cell differentiation, inhibits tumor cell proliferation, and suppresses primitive cell colony formation. Enzomenib reduces disease burden and prolongs survival, but causes adverse reactions including differentiation syndrome and QTc interval prolongation. Enzomenib is used for research on relapsed/refractory acute myeloid leukemia, acute lymphoblastic leukemia, and other hematologic malignancies with mixed lineage leukemia (MLL) rearrangements or NPM1 mutations .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-N9371

Crocin IV Dicrocin	Classification of Application Fields Terpenoids Other Diseases Pigments Diterpenoids Lridaceae Plants Crocus sativus L. Disease Research Fields Food Research Source Classification	Endogenous Metabolite
Crocin IV (Dicrocin), a crocetin glycoside, is a carotenoid pigment. Crocin IV has potent antioxidant activity .

HY-113421

Linoleoyl ethanolamide Linoleic acid monoethanolamide	Human Gut Microbiota Metabolites Microorganisms Endogenous metabolite Source Classification	Cannabinoid Receptor
Linoleoyl ethanolamide (Linoleic acid monoethanolamide) is classified as a fatty acid ethanolamide. Linoleoyl ethanolamide only weakly binds G-protein-coupled cannabinoid receptors of type-1（CB1）and CB2 receptors, and inhibits the binding of ^[3H]CP-55,940 with K_is of 10 and 25 μM, respectively. Linoleoyl ethanolamide is 4-fold less potent than anandamide at causing catalepsy in mice and it does not prolong sleep time .

HY-N9371R

Crocin IV (Standard) Dicrocin (Standard)	Structural Classification Terpenoids Diterpenoids Lridaceae Plants Crocus sativus L. Source Classification	Reference Standards Endogenous Metabolite
Crocin IV (Standard) is the analytical standard of Crocin IV. This product is intended for research and analytical applications. Crocin IV (Dicrocin), a crocetin glycoside, is a carotenoid pigment. Crocin IV has potent antioxidant activity .

Cat. No.	Product Name	Chemical Structure

HY-17429S

Flecainide-d4 acetate
Flecainide-d₄ (acetate) is the deuterium labeled Flecainide acetate. Flecainide acetate (R-818) is a class 1C antiarrhythmic agent especially used for the management of supraventricular arrhythmia; works by blocking the Nav1.5 sodium channel in the heart, causing prolongation of the cardiac action potential .

Cat. No.	Product Name		Classification

HY-149906

Trecovirsen GEM91		Antisense Oligonucleotides
Trecovirsen is an antiviral agent targeting HIV gag mRNA, which hybridizes with complementary HIV gag mRNA at the initiation site. Trecovirsen induces a reversible, dose-dependent prolongation of activated partial thromboplastin time via its polyanionic properties. Trecovirsen is applicable to research related to HIV infection .

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prolongation

Inhibitors & Agonists

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Isotope-Labeled Compounds

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