Pyridazines and derivatives

6-Hydroxypyridazine-3-carboxylic Acid Monohydrate 98.0+%, TCI America™

CAS: 306934-80-5 Molecular Formula: C5H6N2O4 Molecular Weight (g/mol): 158.113 MDL Number: MFCD09064936 InChI Key: DZCBVXKRERSHAA-UHFFFAOYSA-N PubChem CID: 2774651 IUPAC Name: 6-oxo-1H-pyridazine-3-carboxylic acid;hydrate SMILES: C1=CC(=O)NN=C1C(=O)O.O

4-Vinylbenzeneboronic acid, 98%, Thermo Scientific Chemicals

CAS: 2156-04-9 Molecular Formula: C8H9BO2 Molecular Weight (g/mol): 147.97 MDL Number: MFCD00239441 InChI Key: QWMJEUJXWVZSAG-UHFFFAOYSA-N SMILES: OB(O)C1=CC=C(C=C)C=C1

3-Phenylcinnoline-4-carboxylic acid, 97%, Thermo Scientific™

CAS: 10604-21-4 Molecular Formula: C15H10N2O2 Molecular Weight (g/mol): 250.257 MDL Number: MFCD00219795 InChI Key: UGJHDXUWDLKCDG-UHFFFAOYSA-N Synonym: 4-cinnolinecarboxylicacid, 3-phenyl,maybridge1_004872,3-phenyl-cinnoline-4-carboxylic acid PubChem CID: 5709072 IUPAC Name: 3-phenylcinnoline-4-carboxylic acid SMILES: C1=CC=C(C=C1)C2=C(C3=CC=CC=C3N=N2)C(=O)O

3-Aminophthalhydrazide, 98%, pure

CAS: 521-31-3 Molecular Formula: C₈H₇N₃O₂ Molecular Weight (g/mol): 177.16 MDL Number: MFCD00006890 InChI Key: HWYHZTIRURJOHG-UHFFFAOYSA-N Synonym: luminol,3-aminophthalhydrazide,3-aminophthalic hydrazide,5-amino-2,3-dihydro-1,4-phthalazinedione,1,4-phthalazinedione, 5-amino-2,3-dihydro,3-aminophthalic acid hydrazide,5-amino-1,2,3,4-tetrahydrophthalazine-1,4-dione,unii-5exp385q4f,ccris 5962,3-aminophthalylhydrazide PubChem CID: 10638 IUPAC Name: 5-amino-2,3-dihydrophthalazine-1,4-dione SMILES: C1=CC2=C(C(=C1)N)C(=O)NNC2=O

4-chloro-1,2-dihydrophthalazin-1-one, 97%, Thermo Scientific™

CAS: 2257-69-4 Molecular Formula: C8H5ClN2O Molecular Weight (g/mol): 180.59 MDL Number: MFCD00102192 InChI Key: QCKGMJDOJRNSMS-UHFFFAOYSA-N Synonym: 4-chlorophthalazin-1 2h-one,4-chloro-1,2-dihydrophthalazin-1-one,4-chlorophthalazin-1-ol,1 2h-phthalazinone, 4-chloro,4-chloro-1 2h-phthalazinone,4-chlorophthalazone,4-chloro-1-phthalazinol,4-chlorophthalazin-1-one,1-chlorophthalazin-4-one,1-chlorophthalazine-4-one PubChem CID: 2775142 IUPAC Name: 4-chloro-2H-phthalazin-1-one SMILES: ClC1=NNC(=O)C2=CC=CC=C12

6-Oxo-1,4,5,6-tetrahydropyridazine-3-carboxylic acid, 97%, Thermo Scientific™

CAS: 27372-38-9 Molecular Formula: C5H6N2O3 Molecular Weight (g/mol): 142.114 MDL Number: MFCD00052030 InChI Key: VUADWGRLHPTYPI-UHFFFAOYSA-N Synonym: 6-oxo-1,4,5,6-tetrahydropyridazine-3-carboxylic acid,1,4,5,6-tetrahydro-6-oxopyridazine-3-carboxylic acid,unii-ot09ztp07e,ot09ztp07e,6-oxo-1,4,5,6-tetrahydro-pyridazine-3-carboxylic acid,3-pyridazinecarboxylic acid, 1,4,5,6-tetrahydro-6-oxo,1,4,5,6-tetrahydro-6-oxo-3-pyridazinecarboxylic acid,6-oxo-1,4,5,6-tetrahydropyridazin-3-carboxylic acid,6-oxo-1,4,5-trihydropyridazine-3-carboxylic acid,pubchem19274 PubChem CID: 99621 IUPAC Name: 6-oxo-4,5-dihydro-1H-pyridazine-3-carboxylic acid SMILES: C1CC(=O)NN=C1C(=O)O

6-chloropyridazin-3-amine, Thermo Scientific™, 97%, Thermo Scientific™

CAS: 5469-69-2 Molecular Formula: C4H4ClN3 Molecular Weight (g/mol): 129.55 MDL Number: MFCD00051506 InChI Key: DTXVKPOKPFWSFF-UHFFFAOYSA-N Synonym: 3-amino-6-chloropyridazine,3-pyridazinamine, 6-chloro,6-chloro-3-pyridazinamine,6-amino-3-chloropyridazine,6-chloro-3-aminopyridazine,6-chloropyridazin-3-ylamine,6-chloro-pyridazin-3-ylamine,unii-ijs443slzg,3-chloro-6-pyridazinamine,6-chloro-3-pyridazinylamine PubChem CID: 21643 IUPAC Name: 6-chloropyridazin-3-amine SMILES: NC1=CC=C(Cl)N=N1

4,5-Dibromo-2-phenyl-2,3-dihydropyridazin-3-one, 97%, Thermo Scientific™

CAS: 14305-08-9 Molecular Formula: C10H6Br2N2O Molecular Weight (g/mol): 329.979 MDL Number: MFCD00052907 InChI Key: NQJXEMRMTOSSBQ-UHFFFAOYSA-N Synonym: 4,5-dibromo-2-phenylpyridazin-3 2h-one,4,5-dibromo-2-phenyl-2,3-dihydropyridazin-3-one,4,5-dibromo-2-phenyl-3 2h-pyridazinone,3 2h-pyridazinone, 4,5-dibromo-2-phenyl,4,5-dibromo-2-phenyl-3-pyridazinone,4,5-dibromo-2-phenyl-pyridazin-3-one,2-phenyl-4,5-dibromo-3 2h-pyridazinone,3 2h-pyridazinone,4,5-dibromo-2-phenyl,4,5-bis bromanyl-2-phenyl-pyridazin-3-one,4,5-dibromo-2-phenyl-2-hydropyridazin-3-one PubChem CID: 203396 IUPAC Name: 4,5-dibromo-2-phenylpyridazin-3-one SMILES: C1=CC=C(C=C1)N2C(=O)C(=C(C=N2)Br)Br

4,5-Dichloro-2-(4-methylphenyl)-2,3-dihydropyridazin-3-one, 97%, Thermo Scientific™

CAS: 33098-21-4 Molecular Formula: C11H8Cl2N2O Molecular Weight (g/mol): 255.098 MDL Number: MFCD00135290 InChI Key: OWPCMQKRJFNLHF-UHFFFAOYSA-N Synonym: 4,5-dichloro-2-4-methylphenyl-2,3-dihydropyridazin-3-one,4,5-dichloro-2-4-methylphenyl pyridazin-3-one,3 2h-pyridazinone,4,5-dichloro-2-4-methylphenyl,4,5-dichloro-2-p-tolyl-2h-pyridazin-3-one,4,5-dichloro-2-4-methylphenyl-2-hydropyridazin-3-one,4,5-dichloro-2-p-tolyl pyridazin-3 2h-one,4,5-dichloro-2-4-methylphenyl-3 2h-pyridazinone,4,5-dichloro-2-4-methylphenyl pyridazin-3 2h-one,4,5-dichloro-2-4-methylphenyl-2,3-dihydropyridazin-3one PubChem CID: 2774757 IUPAC Name: 4,5-dichloro-2-(4-methylphenyl)pyridazin-3-one SMILES: CC1=CC=C(C=C1)N2C(=O)C(=C(C=N2)Cl)Cl

6-methyl-2,3-dihydropyridazin-3-one hydrate, Thermo Scientific™

CAS: 7143-82-0 Molecular Formula: C5H6N2O Molecular Weight (g/mol): 110.12 MDL Number: MFCD00039720 InChI Key: QZWIXLPWMGHDDD-UHFFFAOYSA-N Synonym: 6-methylpyridazin-3-ol hydrate,6-methylpyridazin-3 2h-one hydrate,6-methyl-2,3-dihydropyridazin-3-one hydrate,6-methyl-2h-pyridazin-3-one hydrate,6-methylpyridazin-3-one hydrate,3-methyl-1h-pyridazin-6-one hydrate,6-methylpyridazin-3 2h ;-one hydrate,6-methyl-2-hydropyridazin-3-one, hydrate,6-methyl-2,3-dihydropyridazine-3-one hydrate,6-methylpyridazin-3 2h-one-water 1/1 PubChem CID: 2774632 SMILES: CC1=NNC(=O)C=C1

3-Aminophthalhydrazide, 98%

CAS: 521-31-3 Molecular Formula: C8H7N3O2 Molecular Weight (g/mol): 177.163 MDL Number: MFCD00006890 InChI Key: HWYHZTIRURJOHG-UHFFFAOYSA-N Synonym: luminol,3-aminophthalhydrazide,3-aminophthalic hydrazide,5-amino-2,3-dihydro-1,4-phthalazinedione,1,4-phthalazinedione, 5-amino-2,3-dihydro,3-aminophthalic acid hydrazide,5-amino-1,2,3,4-tetrahydrophthalazine-1,4-dione,unii-5exp385q4f,ccris 5962,3-aminophthalylhydrazide PubChem CID: 10638 IUPAC Name: 5-amino-2,3-dihydrophthalazine-1,4-dione SMILES: C1=CC2=C(C(=C1)N)C(=O)NNC2=O

3-Amino-6-chloropyridazine, 97%, Thermo Scientific Chemicals

CAS: 5469-69-2 Molecular Formula: C4H4ClN3 Molecular Weight (g/mol): 129.55 MDL Number: MFCD00051506 InChI Key: DTXVKPOKPFWSFF-UHFFFAOYSA-N Synonym: 3-amino-6-chloropyridazine,3-pyridazinamine, 6-chloro,6-chloro-3-pyridazinamine,6-amino-3-chloropyridazine,6-chloro-3-aminopyridazine,6-chloropyridazin-3-ylamine,6-chloro-pyridazin-3-ylamine,unii-ijs443slzg,3-chloro-6-pyridazinamine,6-chloro-3-pyridazinylamine PubChem CID: 21643 IUPAC Name: 6-chloropyridazin-3-amine SMILES: NC1=CC=C(Cl)N=N1

4,5-Dichloro-2-methyl-3(2H)-pyridazinone, 97%, Thermo Scientific Chemicals

CAS: 933-76-6 Molecular Formula: C5H4Cl2N2O Molecular Weight (g/mol): 179.00 MDL Number: MFCD00051686 InChI Key: ACKBTCUMGAHRIE-UHFFFAOYSA-N Synonym: 4,5-dichloro-2-methylpyridazin-3 2h-one,4,5-dichloro-2-methyl-3 2h-pyridazinone,3 2h-pyridazinone, 4,5-dichloro-2-methyl,4,5-dichloro-2-methyl-2h-pyridazin-3-one,4,5-dichloro-2-methyl-2,3-dihydropyridazin-3-one,3 2h-pyridazinone,4,5-dichloro-2-methyl,4,5-dichloro-2-methyl-2-hydropyridazin-3-one,pubchem16243,acmc-209wiz,5-24-02-00023 beilstein handbook reference PubChem CID: 120462 IUPAC Name: 4,5-dichloro-2-methylpyridazin-3-one SMILES: CN1N=CC(Cl)=C(Cl)C1=O

Medchemexpress LLC 3-pyridin-3-ylpropyl (2S)-1-(3,3-dimethyl-2-oxopentanoyl)pyrrolidine-2-carboxylate | 186452-09-5 | MFCD00953146 | 99.8% | 360.4 g/mol | C20H28N2O4 | 50MG

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GPI-1046 is a small-molecule immunophilin ligand reported to have neuroprotective effects and to modulate glutamate transporter activity. It is supplied in small laboratory pack sizes, typically as a DMSO solution, for preclinical research use only.

• Chemical formula C20H28N2O4.
• Molecular weight 360.4 g/mol.
• CAS number 186452-09-5.
• Purity 99.8%.
• Available as solution in DMSO and multiple small pack sizes.
• Intended for preclinical research use only.

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Medchemexpress LLC 3-pyridin-3-ylpropyl (2S)-1-(3,3-dimethyl-2-oxopentanoyl)pyrrolidine-2-carboxylate | 186452-09-5 | MFCD00953146 | 99.8% | 360.45 g/mol | C20H28N2O4 | 10MM 1ML

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GPI-1046 is a non-immunosuppressive immunophilin ligand used in preclinical research for neuroprotection and modulation of glutamate transport. It is supplied in solution and solid formats for flexible use in in vitro and in vivo studies, and is intended for research use only.

• Non-immunosuppressive immunophilin ligand with reported neuroprotective activity.
• Modulates glutamate transporter 1 (GLT1) in preclinical models.
• Available as a 10 mM solution in DMSO and as solid mg quantities for experimental flexibility.
• High purity (≈99.8%).
• Molecular weight 360.45 g/mol; formula C20H28N2O4 for reference.
• Recommended storage: protect from light; in solvent store at -80°C for long-term preservation.

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