Pyridazines and derivatives

Aromatic organic compounds consist of an aromatic six-membered ring containing two adjacent nitrogen atoms and four carbon atoms; includes compounds derived from pyridazines.

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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

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

6-Oxo-1,6-dihydropyridazine-3-carboxylic acid monohydrate, 97%, Thermo Scientific™

CAS: 37972-69-3 Molecular Formula: C5H3N2O3 Molecular Weight (g/mol): 139.09 MDL Number: MFCD09064936 InChI Key: GIFSROMQVPUQFK-UHFFFAOYSA-M Synonym: 6-hydroxypyridazine-3-carboxylic acid,6-hydroxy-3-pyridazinecarboxylic acid,6-oxo-1,6-dihydropyridazine-3-carboxylic acid,6-oxo-1,6-dihydro-pyridazine-3-carboxylic acid,3-hydroxypyridazine-6-carboxylic acid,3-pyridazinecarboxylic acid, 1,6-dihydro-6-oxo,6-hydroxy-pyridazine-3-carboxylic acid,6-oxo-1,6-dihydro-3-pyridazinecarboxylic acid,3-pyridazinecarboxylicacid, 1,6-dihydro-6-oxo,6-oxohydropyridazine-3-carboxylic acid PubChem CID: 305970 IUPAC Name: 6-oxo-1H-pyridazine-3-carboxylic acid SMILES: [O-]C(=O)C1=NNC(=O)C=C1

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PubChem CID	305970
CAS	37972-69-3
Molecular Weight (g/mol)	139.09
MDL Number	MFCD09064936
SMILES	[O-]C(=O)C1=NNC(=O)C=C1
Synonym	6-hydroxypyridazine-3-carboxylic acid,6-hydroxy-3-pyridazinecarboxylic acid,6-oxo-1,6-dihydropyridazine-3-carboxylic acid,6-oxo-1,6-dihydro-pyridazine-3-carboxylic acid,3-hydroxypyridazine-6-carboxylic acid,3-pyridazinecarboxylic acid, 1,6-dihydro-6-oxo,6-hydroxy-pyridazine-3-carboxylic acid,6-oxo-1,6-dihydro-3-pyridazinecarboxylic acid,3-pyridazinecarboxylicacid, 1,6-dihydro-6-oxo,6-oxohydropyridazine-3-carboxylic acid
IUPAC Name	6-oxo-1H-pyridazine-3-carboxylic acid
InChI Key	GIFSROMQVPUQFK-UHFFFAOYSA-M
Molecular Formula	C5H3N2O3

Luminol 98.0+%, TCI America™

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

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PubChem CID	10638
CAS	521-31-3
Molecular Weight (g/mol)	177.163
MDL Number	MFCD00006890
SMILES	C1=CC2=C(C(=C1)N)C(=O)NNC2=O
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
IUPAC Name	5-amino-2,3-dihydrophthalazine-1,4-dione
InChI Key	HWYHZTIRURJOHG-UHFFFAOYSA-N
Molecular Formula	C8H7N3O2

3-Aminopyridazine 98.0+%, TCI America™

CAS: 5469-70-5 Molecular Formula: C4H5N3 Molecular Weight (g/mol): 95.105 MDL Number: MFCD01529869 InChI Key: LETVJWLLIMJADE-UHFFFAOYSA-N Synonym: 3-aminopyridazine,3-pyridazinamine,aminopyridazine,pyridazin-3-ylamine,3-amino-1,2-diazine,pyridazine-3-ylamine,pyridazineamine,pyridazyl amine,imino-pyridazine,3-pyridazinamin PubChem CID: 230373 IUPAC Name: pyridazin-3-amine SMILES: C1=CC(=NN=C1)N

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PubChem CID	230373
CAS	5469-70-5
Molecular Weight (g/mol)	95.105
MDL Number	MFCD01529869
SMILES	C1=CC(=NN=C1)N
Synonym	3-aminopyridazine,3-pyridazinamine,aminopyridazine,pyridazin-3-ylamine,3-amino-1,2-diazine,pyridazine-3-ylamine,pyridazineamine,pyridazyl amine,imino-pyridazine,3-pyridazinamin
IUPAC Name	pyridazin-3-amine
InChI Key	LETVJWLLIMJADE-UHFFFAOYSA-N
Molecular Formula	C4H5N3

Amezinium Methyl Sulfate 98.0+%, TCI America™

CAS: 30578-37-1 Molecular Formula: C12H15N3O5S Molecular Weight (g/mol): 313.33 MDL Number: MFCD00865972 InChI Key: ZEASXVYVFFXULL-UHFFFAOYSA-N Synonym: 4-Amino-6-methoxy-1-phenylpyridazinium Methyl Sulfate PubChem CID: 71926 IUPAC Name: 4-amino-6-methoxy-1-phenyl-1λ⁵-pyridazin-1-ylium methyl sulfate SMILES: COS([O-])(=O)=O.COC1=CC(N)=CN=[N+]1C1=CC=CC=C1

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PubChem CID	71926
CAS	30578-37-1
Molecular Weight (g/mol)	313.33
MDL Number	MFCD00865972
SMILES	COS([O-])(=O)=O.COC1=CC(N)=CN=[N+]1C1=CC=CC=C1
Synonym	4-Amino-6-methoxy-1-phenylpyridazinium Methyl Sulfate
IUPAC Name	4-amino-6-methoxy-1-phenyl-1λ⁵-pyridazin-1-ylium methyl sulfate
InChI Key	ZEASXVYVFFXULL-UHFFFAOYSA-N
Molecular Formula	C12H15N3O5S

3-Amino-6-chloropyridazine 98.0+%, TCI America™

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

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PubChem CID	21643
CAS	5469-69-2
Molecular Weight (g/mol)	129.55
MDL Number	MFCD00051506
SMILES	NC1=CC=C(Cl)N=N1
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
IUPAC Name	6-chloropyridazin-3-amine
InChI Key	DTXVKPOKPFWSFF-UHFFFAOYSA-N
Molecular Formula	C4H4ClN3

4,5-Dibromo-3(2H)-pyridazinone, 98%, Thermo Scientific Chemicals

CAS: 5788-58-9 Molecular Formula: C4H2Br2N2O Molecular Weight (g/mol): 253.881 MDL Number: MFCD00023641 InChI Key: AGLQURQNVJVJNB-UHFFFAOYSA-N Synonym: 4,5-dibromopyridazin-3 2h-one,4,5-dibromo-3 2h-pyridazinone,4,5-dibromopyridazin-3-one,4,5-dibromopyridazine-3 2h-one,4,5-dibromopyridazin-3-ol,4,5-dibromo-2,3-dihydropyridazin-3-one,3 2h-pyridazinone, 4,5-dibromo,4,5-dibromo-2h-pyridazin-3-one,4,5-dibromo-2-hydropyridazin-3-one PubChem CID: 236181 IUPAC Name: 4,5-dibromo-1H-pyridazin-6-one SMILES: C1=NNC(=O)C(=C1Br)Br

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PubChem CID	236181
CAS	5788-58-9
Molecular Weight (g/mol)	253.881
MDL Number	MFCD00023641
SMILES	C1=NNC(=O)C(=C1Br)Br
Synonym	4,5-dibromopyridazin-3 2h-one,4,5-dibromo-3 2h-pyridazinone,4,5-dibromopyridazin-3-one,4,5-dibromopyridazine-3 2h-one,4,5-dibromopyridazin-3-ol,4,5-dibromo-2,3-dihydropyridazin-3-one,3 2h-pyridazinone, 4,5-dibromo,4,5-dibromo-2h-pyridazin-3-one,4,5-dibromo-2-hydropyridazin-3-one
IUPAC Name	4,5-dibromo-1H-pyridazin-6-one
InChI Key	AGLQURQNVJVJNB-UHFFFAOYSA-N
Molecular Formula	C4H2Br2N2O

6-Methyl-3(2H)-pyridazinone, 98%, Thermo Scientific Chemicals

CAS: 13327-27-0 Molecular Formula: C5H6N2O Molecular Weight (g/mol): 110.12 MDL Number: MFCD00039720 InChI Key: QZWIXLPWMGHDDD-UHFFFAOYSA-N Synonym: 6-methylpyridazin-3 2h-one,6-methyl-3 2h-pyridazinone,6-methylpyridazin-3-ol,6-methyl-2h-pyridazin-3-one,6-methyl-3-pyridazinone,3-hydroxy-6-methylpyridazine,3 2h-pyridazinone, 6-methyl,6-methyl-2,3-dihydropyridazin-3-one,6me3oxopyridaz PubChem CID: 83346 IUPAC Name: 3-methyl-1H-pyridazin-6-one SMILES: CC1=NNC(=O)C=C1

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PubChem CID	83346
CAS	13327-27-0
Molecular Weight (g/mol)	110.12
MDL Number	MFCD00039720
SMILES	CC1=NNC(=O)C=C1
Synonym	6-methylpyridazin-3 2h-one,6-methyl-3 2h-pyridazinone,6-methylpyridazin-3-ol,6-methyl-2h-pyridazin-3-one,6-methyl-3-pyridazinone,3-hydroxy-6-methylpyridazine,3 2h-pyridazinone, 6-methyl,6-methyl-2,3-dihydropyridazin-3-one,6me3oxopyridaz
IUPAC Name	3-methyl-1H-pyridazin-6-one
InChI Key	QZWIXLPWMGHDDD-UHFFFAOYSA-N
Molecular Formula	C5H6N2O

3-Aminophthalhydrazide, 98%, Thermo Scientific Chemicals

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PubChem CID	10638
CAS	521-31-3
Molecular Weight (g/mol)	177.163
MDL Number	MFCD00006890
SMILES	C1=CC2=C(C(=C1)N)C(=O)NNC2=O
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
IUPAC Name	5-amino-2,3-dihydrophthalazine-1,4-dione
InChI Key	HWYHZTIRURJOHG-UHFFFAOYSA-N
Molecular Formula	C8H7N3O2

1-Chloro-4-(4-methylphenyl)phthalazine, 96%, Thermo Scientific™

CAS: 76972-35-5 Molecular Formula: C15H11ClN2 Molecular Weight (g/mol): 254.717 MDL Number: MFCD00446456 InChI Key: SBSCJEDEQMLKJY-UHFFFAOYSA-N Synonym: 1-chloro-4-4-methylphenyl phthalazine,1-chloro-4-p-tolyl phthalazine,phthalazine,1-chloro-4-4-methylphenyl,1-chloro-4-4-tolyl phthalazine PubChem CID: 6408759 IUPAC Name: 1-chloro-4-(4-methylphenyl)phthalazine SMILES: CC1=CC=C(C=C1)C2=NN=C(C3=CC=CC=C32)Cl

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PubChem CID	6408759
CAS	76972-35-5
Molecular Weight (g/mol)	254.717
MDL Number	MFCD00446456
SMILES	CC1=CC=C(C=C1)C2=NN=C(C3=CC=CC=C32)Cl
Synonym	1-chloro-4-4-methylphenyl phthalazine,1-chloro-4-p-tolyl phthalazine,phthalazine,1-chloro-4-4-methylphenyl,1-chloro-4-4-tolyl phthalazine
IUPAC Name	1-chloro-4-(4-methylphenyl)phthalazine
InChI Key	SBSCJEDEQMLKJY-UHFFFAOYSA-N
Molecular Formula	C15H11ClN2

3-Aminopyridazine, 97%, Thermo Scientific Chemicals

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PubChem CID	230373
CAS	5469-70-5
Molecular Weight (g/mol)	95.105
MDL Number	MFCD01529869
SMILES	C1=CC(=NN=C1)N
Synonym	3-aminopyridazine,3-pyridazinamine,aminopyridazine,pyridazin-3-ylamine,3-amino-1,2-diazine,pyridazine-3-ylamine,pyridazineamine,pyridazyl amine,imino-pyridazine,3-pyridazinamin
IUPAC Name	pyridazin-3-amine
InChI Key	LETVJWLLIMJADE-UHFFFAOYSA-N
Molecular Formula	C4H5N3

6-(4-Aminophenyl)-4,5-dihydro-5-methyl-3(2H)-pyridazinone 98.0+%, TCI America™

CAS: 36725-28-7 Molecular Formula: C11H13N3O Molecular Weight (g/mol): 203.245 MDL Number: MFCD01692712 InChI Key: GDMRFHZLKNYRRO-UHFFFAOYSA-N PubChem CID: 161928 IUPAC Name: 3-(4-aminophenyl)-4-methyl-4,5-dihydro-1H-pyridazin-6-one SMILES: CC1CC(=O)NN=C1C2=CC=C(C=C2)N

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PubChem CID	161928
CAS	36725-28-7
Molecular Weight (g/mol)	203.245
MDL Number	MFCD01692712
SMILES	CC1CC(=O)NN=C1C2=CC=C(C=C2)N
IUPAC Name	3-(4-aminophenyl)-4-methyl-4,5-dihydro-1H-pyridazin-6-one
InChI Key	GDMRFHZLKNYRRO-UHFFFAOYSA-N
Molecular Formula	C11H13N3O

4-Chloro-5-methoxy-3(2H)-pyridazinone 98.0+%, TCI America™

CAS: 63910-43-0 Molecular Formula: C5H5ClN2O2 Molecular Weight (g/mol): 160.557 MDL Number: MFCD04971392 InChI Key: SUZFURZANOKZBL-UHFFFAOYSA-N PubChem CID: 819793 IUPAC Name: 5-chloro-4-methoxy-1H-pyridazin-6-one SMILES: COC1=C(C(=O)NN=C1)Cl

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Pyridazines and derivatives

Pyridazines and derivatives

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