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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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1 – 15 of 22 results
1

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

EDGE
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
2

3-Aminopyridazine, 97%

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

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
3

3-Amino-6-chloropyridazine, 98%

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

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

N-Methylmaleic hydrazide, 97%

CAS: 5436-01-1 MDL Number: MFCD00234108

CAS 5436-01-1
MDL Number MFCD00234108
5

4-Aminophthalhydrazide, 98%

CAS: 3682-14-2 Molecular Formula: C8H7N3O2 Molecular Weight (g/mol): 177.16 MDL Number: MFCD00010560 InChI Key: HUDPLKWXRLNSPC-UHFFFAOYSA-N Synonym: 4-aminophthalhydrazide,isoluminol,6-aminophthalazine-1,4-diol,chembl14882,1,4-phthalazinedione, 6-amino-2,3-dihydro,6-amino-2,3-dihydro-1,4-phthalazinedione,iso-luminol,1enu,4-aminophthaloylhydrazine,4-amino-phthalsaeure-hydrazid PubChem CID: 95014 SMILES: NC1=CC=C2C(=O)NNC(=O)C2=C1

PubChem CID 95014
CAS 3682-14-2
Molecular Weight (g/mol) 177.16
MDL Number MFCD00010560
SMILES NC1=CC=C2C(=O)NNC(=O)C2=C1
Synonym 4-aminophthalhydrazide,isoluminol,6-aminophthalazine-1,4-diol,chembl14882,1,4-phthalazinedione, 6-amino-2,3-dihydro,6-amino-2,3-dihydro-1,4-phthalazinedione,iso-luminol,1enu,4-aminophthaloylhydrazine,4-amino-phthalsaeure-hydrazid
InChI Key HUDPLKWXRLNSPC-UHFFFAOYSA-N
Molecular Formula C8H7N3O2
6

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

CAS: 19064-67-6 Molecular Formula: C4H3ClN2O Molecular Weight (g/mol): 130.531 MDL Number: MFCD00160460 InChI Key: YICPBKWYZXFJNB-UHFFFAOYSA-N Synonym: 6-chloropyridazin-3-ol,6-chloro-3-hydroxypyridazine,6-chloro-2h-pyridazin-3-one,6-chloropyridazin-3 2h-one,3-chloro-6-hydroxypyridazine,3 2h-pyridazinone, 6-chloro,6-chloro-3 2h-pyridazinone,3-chloro-6-pyridazone,3-hydroxy-6-chloropyridazine,6-chloro-3-pyridazinol PubChem CID: 252828 IUPAC Name: 3-chloro-1H-pyridazin-6-one SMILES: C1=CC(=NNC1=O)Cl

PubChem CID 252828
CAS 19064-67-6
Molecular Weight (g/mol) 130.531
MDL Number MFCD00160460
SMILES C1=CC(=NNC1=O)Cl
Synonym 6-chloropyridazin-3-ol,6-chloro-3-hydroxypyridazine,6-chloro-2h-pyridazin-3-one,6-chloropyridazin-3 2h-one,3-chloro-6-hydroxypyridazine,3 2h-pyridazinone, 6-chloro,6-chloro-3 2h-pyridazinone,3-chloro-6-pyridazone,3-hydroxy-6-chloropyridazine,6-chloro-3-pyridazinol
IUPAC Name 3-chloro-1H-pyridazin-6-one
InChI Key YICPBKWYZXFJNB-UHFFFAOYSA-N
Molecular Formula C4H3ClN2O
7

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

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

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
8

Phthalhydrazide, 98%

CAS: 1445-69-8 Molecular Formula: C8H6N2O2 Molecular Weight (g/mol): 162.15 MDL Number: MFCD00006888 InChI Key: JNQUJPBFSQETPT-UHFFFAOYNA-N Synonym: 2,3-dihydro-1,4-phthalazinedione,phthalazine-1,4-diol,phtalylhydrazine,1,2,3,4-tetrahydrophthalazine-1,4-dione,1,4-phthalazinedione, 2,3-dihydro,1 2h-phthalazinone, 4-hydroxy,2,3-dihydro-phthalazine-1,4-dione,phthalhydrazine,phthalylhydrazine,phthaloylhydrazine PubChem CID: 219401 SMILES: O=C1N=NC(=O)C2C=CC=CC12

PubChem CID 219401
CAS 1445-69-8
Molecular Weight (g/mol) 162.15
MDL Number MFCD00006888
SMILES O=C1N=NC(=O)C2C=CC=CC12
Synonym 2,3-dihydro-1,4-phthalazinedione,phthalazine-1,4-diol,phtalylhydrazine,1,2,3,4-tetrahydrophthalazine-1,4-dione,1,4-phthalazinedione, 2,3-dihydro,1 2h-phthalazinone, 4-hydroxy,2,3-dihydro-phthalazine-1,4-dione,phthalhydrazine,phthalylhydrazine,phthaloylhydrazine
InChI Key JNQUJPBFSQETPT-UHFFFAOYNA-N
Molecular Formula C8H6N2O2
9

1-Chlorophthalazin-4-one, 98%

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 SMILES: ClC1=NNC(=O)C2=CC=CC=C12

PubChem CID 2775142
CAS 2257-69-4
Molecular Weight (g/mol) 180.59
MDL Number MFCD00102192
SMILES ClC1=NNC(=O)C2=CC=CC=C12
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
InChI Key QCKGMJDOJRNSMS-UHFFFAOYSA-N
Molecular Formula C8H5ClN2O
10

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

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

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
11

1-Chloro-4-phenylphthalazine, 96%

CAS: 10132-01-1 Molecular Formula: C14H9ClN2 Molecular Weight (g/mol): 240.69 MDL Number: MFCD00524786 InChI Key: WJJDLSHYLZRFDD-UHFFFAOYSA-N Synonym: 1-chloro-4-phenyl-phthalazine,phthalazine,1-chloro-4-phenyl,4-chloro-1-phenylphthalazine PubChem CID: 272109 IUPAC Name: 1-chloro-4-phenylphthalazine SMILES: C1=CC=C(C=C1)C2=NN=C(C3=CC=CC=C32)Cl

PubChem CID 272109
CAS 10132-01-1
Molecular Weight (g/mol) 240.69
MDL Number MFCD00524786
SMILES C1=CC=C(C=C1)C2=NN=C(C3=CC=CC=C32)Cl
Synonym 1-chloro-4-phenyl-phthalazine,phthalazine,1-chloro-4-phenyl,4-chloro-1-phenylphthalazine
IUPAC Name 1-chloro-4-phenylphthalazine
InChI Key WJJDLSHYLZRFDD-UHFFFAOYSA-N
Molecular Formula C14H9ClN2
12

4,5-Dichloropyridazin-3(2H)-one, 98%

CAS: 932-22-9 Molecular Formula: C4H2Cl2N2O Molecular Weight (g/mol): 164.97 MDL Number: MFCD00051504 InChI Key: VJWXIRQLLGYIDI-UHFFFAOYSA-N Synonym: 4,5-dichloro-3 2h-pyridazinone,4,5-dichloropyridazin-3 2h-one,3 2h-pyridazinone, 4,5-dichloro,4,5-dichloropyridazin-3-ol,4,5-dichloro-2h-pyridazin-3-one,4,5-dichloro-3-hydroxypyridazine,4,5-dichloro-2,3-dihydropyridazin-3-one,4,5-dichloro-pyridazin-3-ol,4,5-dichloro-3-pyridazinol PubChem CID: 73247 SMILES: ClC1=C(Cl)C(=O)NN=C1

PubChem CID 73247
CAS 932-22-9
Molecular Weight (g/mol) 164.97
MDL Number MFCD00051504
SMILES ClC1=C(Cl)C(=O)NN=C1
Synonym 4,5-dichloro-3 2h-pyridazinone,4,5-dichloropyridazin-3 2h-one,3 2h-pyridazinone, 4,5-dichloro,4,5-dichloropyridazin-3-ol,4,5-dichloro-2h-pyridazin-3-one,4,5-dichloro-3-hydroxypyridazine,4,5-dichloro-2,3-dihydropyridazin-3-one,4,5-dichloro-pyridazin-3-ol,4,5-dichloro-3-pyridazinol
InChI Key VJWXIRQLLGYIDI-UHFFFAOYSA-N
Molecular Formula C4H2Cl2N2O
13

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

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
14

3-(6-Oxo-1,6-dihydro-3-pyridazinyl)benzonitrile, 97%, Thermo Scientific™

CAS: 52240-08-1 Molecular Formula: C11H7N3O Molecular Weight (g/mol): 197.197 MDL Number: MFCD16482247 InChI Key: INFIYPRKBSENAH-UHFFFAOYSA-N Synonym: 3-6-oxo-1,6-dihydropyridazin-3-yl benzonitrile,3-6-oxo-1,6-dihydro-3-pyridazinyl benzonitrile,3-6-oxo-1,6-dihydro-pyridazin-3-yl-benzonitrile,3-6-oxo-1h-pyridazin-3-yl benzonitrile,3-6-oxo-1,6-dihydropyridazin-3-yl-benzonitrile,benzonitrile, 3-1,6-dihydro-6-oxo-3-pyridazinyl PubChem CID: 20326520 IUPAC Name: 3-(6-oxo-1H-pyridazin-3-yl)benzonitrile SMILES: C1=CC(=CC(=C1)C2=NNC(=O)C=C2)C#N

PubChem CID 20326520
CAS 52240-08-1
Molecular Weight (g/mol) 197.197
MDL Number MFCD16482247
SMILES C1=CC(=CC(=C1)C2=NNC(=O)C=C2)C#N
Synonym 3-6-oxo-1,6-dihydropyridazin-3-yl benzonitrile,3-6-oxo-1,6-dihydro-3-pyridazinyl benzonitrile,3-6-oxo-1,6-dihydro-pyridazin-3-yl-benzonitrile,3-6-oxo-1h-pyridazin-3-yl benzonitrile,3-6-oxo-1,6-dihydropyridazin-3-yl-benzonitrile,benzonitrile, 3-1,6-dihydro-6-oxo-3-pyridazinyl
IUPAC Name 3-(6-oxo-1H-pyridazin-3-yl)benzonitrile
InChI Key INFIYPRKBSENAH-UHFFFAOYSA-N
Molecular Formula C11H7N3O
15

4-Phenyl-1(2H)-phthalazinone, 98%, Thermo Scientific™

CAS: 5004-45-5 Molecular Formula: C14H10N2O Molecular Weight (g/mol): 222.247 MDL Number: MFCD00098272 InChI Key: XCJLBNVENUPHEA-UHFFFAOYSA-N Synonym: 4-phenylphthalazin-1 2h-one,4-phenyl-1 2h-phthalazinone,1 2h-phthalazinone, 4-phenyl,4-phenylphthalazin-1-ol,4-phenyl-1,2-dihydrophthalazin-1-one,4-phenyl-2-hydrophthalazin-1-one,4-phenylphthalazin-1-one,1-hydroxy-4-phenylphthalazine,1-phthalazinol, 4-phenyl PubChem CID: 219150 IUPAC Name: 4-phenyl-2H-phthalazin-1-one SMILES: C1=CC=C(C=C1)C2=NNC(=O)C3=CC=CC=C32

PubChem CID 219150
CAS 5004-45-5
Molecular Weight (g/mol) 222.247
MDL Number MFCD00098272
SMILES C1=CC=C(C=C1)C2=NNC(=O)C3=CC=CC=C32
Synonym 4-phenylphthalazin-1 2h-one,4-phenyl-1 2h-phthalazinone,1 2h-phthalazinone, 4-phenyl,4-phenylphthalazin-1-ol,4-phenyl-1,2-dihydrophthalazin-1-one,4-phenyl-2-hydrophthalazin-1-one,4-phenylphthalazin-1-one,1-hydroxy-4-phenylphthalazine,1-phthalazinol, 4-phenyl
IUPAC Name 4-phenyl-2H-phthalazin-1-one
InChI Key XCJLBNVENUPHEA-UHFFFAOYSA-N
Molecular Formula C14H10N2O