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Pyridazinone

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Apoptosis (1) Biochemical Assay Reagents (1) Drug Derivative (1) Fluorescent Dye (1) Isotope-Labeled Compounds (2) Mitochondrial Metabolism (1) NO Synthase (1) Parasite (1) Phosphodiesterase (PDE) (1) Raf (3)
By Research Areas:	Cancer (3) Cardiovascular Disease (1) Infection (1) Inflammation/Immunology (1) Neurological Disease (1)

Inhibitors & Agonists

Fluorescent Dyes

Isotope-Labeled Compounds

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-Y1078

DMF-DMA N-Dimethoxymethyl-N,N-dimethylamine	Biochemical Assay Reagents	Others
DMF-DMA (N-Dimethoxymethyl-N,N-dimethylamine) is a reagent with both condensation and alkylation functions. DMF-DMA can undergo condensation reactions with active methylene groups or amino groups to generate enamine and imino derivatives, and can also act as an alkylating agent to methylate nitrogen and oxygen atoms in heterocyclic structures. DMF-DMA is widely used in the synthesis of enaminones and dimethylamino imine intermediates, as well as in the construction of heterocyclic backbones such as pyridine, pyrimidine and pyrazole. DMF-DMA can also serve as a polar aprotic co-solvent; although DMF-DMA cannot dissolve cellulose alone, it can form an efficient cellulose dissolution system with diallylimidazolium methoxyacetate .

HY-136637

NPD-001	Phosphodiesterase (PDE) Parasite	Infection
NPD-001 is a potent Trypanosoma brucei phosphodiesterases 1/2 (TbrPDEB1/2) inhibitor, with IC₅₀ values of 4 and 3 nM, respectively. NPD-001 also inhibits hPDE4. NPD-001 can increase cAMP levels in parasites, prevent cytokinesis, and cause the parasites to form multinucleated, multi-flagellated cells that eventually lyse. NPD-001 can be used for the research of infection .

HY-W740355

4,5-Dichloro-6-pyridazone-15N2	Isotope-Labeled Compounds	Others
4,5-Dichloro-6-pyridazone- ¹⁵N₂ is the ¹⁵N-labeled 4,5-Dichloro-3(2H)-pyridazinone (HY-W002242).

HY-108984

BBMP 5-(Benzylsulfonyl)-4-bromo-2-methyl-3(2H)-Pyridazinone	Mitochondrial Metabolism	Neurological Disease
BBMP is a permeability transition pore (PTP) inhibitor. BBMP prevents Ca ²⁺-induced permeability transition and mitochondrial depolarization. BBMP possess potential for the neurodegenerative disorders research .

HY-W185208S

Chloridazon metabolite B1-d3 Methyldesphenylchloridazon-d₃; 5-Amino-4-chloro-2-methyl-d₃-3(2H)-Pyridazinone	Isotope-Labeled Compounds	Others
Chloridazon metabolite B1-d₃ (Methyldesphenylchloridazon-d₃) is deuterium labeled 5-Amino-4-chloro-2-methyl-2,3-dihydropyridazin-3-one .

HY-147854

B-Raf IN 9	Raf Apoptosis	Cancer
B-Raf IN 9 (compound 8b) is a potent B-Raf inhibitor, with an IC₅₀ of 24.79 nM. B-Raf IN 9 induces apoptosis and shows cell cycle arrest at G2/M phase. B-Raf IN 9 exhibits potent antitumor activity against human prostate cancer PC-3 cell line, with an IC₅₀ of 7.83 µM .

HY-147853

B-Raf IN 8	Raf	Cancer
B-Raf IN 8 (compound 7g) is a potent B-Raf inhibitor, with an IC₅₀ of 70.65 nM. B-Raf IN 8 exhibits antitumor activity against hepatocellular carcinoma (HEPG-2), colon carcinoma (HCT-116), mammary gland (MCF-7) and human prostate cancer (PC-3) cells, with IC₅₀ values of 9.78, 13.78, 18.52 and 29.85 µM .

HY-147852

B-Raf IN 7	Raf	Cancer
B-Raf IN 7 (compound 6a) is a potent B-Raf inhibitor, with an IC₅₀ of 110.23 nM. B-Raf IN 7 exhibits antitumor activity against colon carcinoma (HCT-116), mammary gland (MCF-7), hepatocellular carcinoma (HEPG-2), human cervical carcinoma (Hela) and human prostate cancer (PC-3) cells, with IC₅₀ values of 7.50, 9.87, 10.57, 11.63 and 12.83 µM .

HY-105400

NIP 502	Drug Derivative	Inflammation/Immunology
NIP 502 is a pyridazinone derivative with orally active anti-inflammation and anti-immunology effects. NIP 502 can be used for the research of asthma .

HY-D3250

PYSNO	Fluorescent Dye NO Synthase	Cardiovascular Disease
PYSNO is a lysosome-targeted fluorescent probe based on a pyridazinone skeleton (λ_em=515-565 nm, λ_ex=405 nm) that can be used to track nitric oxide (NO) production in vivo. PYSNO exhibits a rapid, highly sensitive and highly selective "turn-on" response to endogenous and exogenous NO by blocking photoinduced electron transfer and regulating radiative decay rates. PYSNO enables precise in vivo monitoring in a mouse model of myocardial fibrosis and can be applied to the research of related diseases .

Cat. No.	Product Name	Type

HY-D3250

PYSNO	Fluorescent Dyes
PYSNO is a lysosome-targeted fluorescent probe based on a pyridazinone skeleton (λ_em=515-565 nm, λ_ex=405 nm) that can be used to track nitric oxide (NO) production in vivo. PYSNO exhibits a rapid, highly sensitive and highly selective "turn-on" response to endogenous and exogenous NO by blocking photoinduced electron transfer and regulating radiative decay rates. PYSNO enables precise in vivo monitoring in a mouse model of myocardial fibrosis and can be applied to the research of related diseases .

PYSNO

Fluorescent Dyes

PYSNO is a lysosome-targeted fluorescent probe based on a pyridazinone skeleton (λ_em=515-565 nm, λ_ex=405 nm) that can be used to track nitric oxide (NO) production in vivo. PYSNO exhibits a rapid, highly sensitive and highly selective "turn-on" response to endogenous and exogenous NO by blocking photoinduced electron transfer and regulating radiative decay rates. PYSNO enables precise in vivo monitoring in a mouse model of myocardial fibrosis and can be applied to the research of related diseases .

Cat. No.	Product Name	Chemical Structure

HY-W740355

4,5-Dichloro-6-pyridazone-15N2
4,5-Dichloro-6-pyridazone- ¹⁵N₂ is the ¹⁵N-labeled 4,5-Dichloro-3(2H)-pyridazinone (HY-W002242).

HY-W185208S

Chloridazon metabolite B1-d3
Chloridazon metabolite B1-d₃ (Methyldesphenylchloridazon-d₃) is deuterium labeled 5-Amino-4-chloro-2-methyl-2,3-dihydropyridazin-3-one .

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BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature.

BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

MedchemExpress Validation 03

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred

MedchemExpress Validation 04

MedchemExpress Validation

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