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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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31 – 45 of 183 results
31

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

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 IUPAC Name: 4,5-dichloro-2,3-dihydropyridazin-3-one 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
IUPAC Name 4,5-dichloro-2,3-dihydropyridazin-3-one
InChI Key VJWXIRQLLGYIDI-UHFFFAOYSA-N
Molecular Formula C4H2Cl2N2O
32

Isoluminol 98.0+%, TCI America™
SDP

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 IUPAC Name: 6-amino-1,2,3,4-tetrahydrophthalazine-1,4-dione 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
IUPAC Name 6-amino-1,2,3,4-tetrahydrophthalazine-1,4-dione
InChI Key HUDPLKWXRLNSPC-UHFFFAOYSA-N
Molecular Formula C8H7N3O2
33

1,4,5,6-Tetrahydro-6-oxopyridazine-3-carboxylic Acid 98.0+%, TCI America™
SDP

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
34

3-Aminopyridazine 98.0+%, TCI America™
SDP

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
35

Amezinium Methyl Sulfate 98.0+%, TCI America™
SDP

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

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
36

3-Nitrophthalic Hydrazide 97.0+%, TCI America™
SDP

CAS: 3682-15-3 Molecular Formula: C8H5N3O4 Molecular Weight (g/mol): 207.15 MDL Number: MFCD00006889 InChI Key: YVOBBFQJMOGQOU-UHFFFAOYSA-N Synonym: 2,3-Dihydro-5-nitro-1,4-phthalazinedione, 3-Nitrophthalhydrazide PubChem CID: 3525223 IUPAC Name: 5-nitro-1,2,3,4-tetrahydrophthalazine-1,4-dione SMILES: [O-][N+](=O)C1=C2C(=O)NNC(=O)C2=CC=C1

PubChem CID 3525223
CAS 3682-15-3
Molecular Weight (g/mol) 207.15
MDL Number MFCD00006889
SMILES [O-][N+](=O)C1=C2C(=O)NNC(=O)C2=CC=C1
Synonym 2,3-Dihydro-5-nitro-1,4-phthalazinedione, 3-Nitrophthalhydrazide
IUPAC Name 5-nitro-1,2,3,4-tetrahydrophthalazine-1,4-dione
InChI Key YVOBBFQJMOGQOU-UHFFFAOYSA-N
Molecular Formula C8H5N3O4
37

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

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

PubChem CID 819793
CAS 63910-43-0
Molecular Weight (g/mol) 160.557
MDL Number MFCD04971392
SMILES COC1=C(C(=O)NN=C1)Cl
IUPAC Name 5-chloro-4-methoxy-1H-pyridazin-6-one
InChI Key SUZFURZANOKZBL-UHFFFAOYSA-N
Molecular Formula C5H5ClN2O2
38

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

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
39

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

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

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
40

6-Phenyl-3(2H)-pyridazinone 98.0+%, TCI America™
SDP

CAS: 2166-31-6 Molecular Formula: C10H8N2O Molecular Weight (g/mol): 172.187 MDL Number: MFCD00114953 InChI Key: IJUIPRDMWWBTTQ-UHFFFAOYSA-N Synonym: 3-Hydroxy-6-phenylpyridazine PubChem CID: 75106 IUPAC Name: 3-phenyl-1H-pyridazin-6-one SMILES: C1=CC=C(C=C1)C2=NNC(=O)C=C2

PubChem CID 75106
CAS 2166-31-6
Molecular Weight (g/mol) 172.187
MDL Number MFCD00114953
SMILES C1=CC=C(C=C1)C2=NNC(=O)C=C2
Synonym 3-Hydroxy-6-phenylpyridazine
IUPAC Name 3-phenyl-1H-pyridazin-6-one
InChI Key IJUIPRDMWWBTTQ-UHFFFAOYSA-N
Molecular Formula C10H8N2O
41

N-(4-Aminobutyl)-N-ethylisoluminol 97.0+%, TCI America™
SDP

CAS: 66612-29-1 Molecular Formula: C14H20N4O2 Molecular Weight (g/mol): 276.34 MDL Number: MFCD00010559 InChI Key: LEOJISUPFSWNMA-UHFFFAOYSA-N Synonym: n-4-aminobutyl-n-ethylisoluminol,abei,6-4-aminobutyl ethyl amino-2,3-dihydrophthalazine-1,4-dione,6-n-4-aminobutyl-n-ethyl amino-2,3-dihydrophthalazine-1,4-dione,1,4-phthalazinedione, 6-4-aminobutyl ethylamino-2,3-dihydro,6-n-4-aminobutyl-n-ethylamino-2,3-dihydro-1,4-phthalazinedione,n-4-aminobutyl-n-ethylisolumiol PubChem CID: 196441 IUPAC Name: 6-[(4-aminobutyl)(ethyl)amino]-1,2,3,4-tetrahydrophthalazine-1,4-dione SMILES: CCN(CCCCN)C1=CC=C2C(=O)NNC(=O)C2=C1

PubChem CID 196441
CAS 66612-29-1
Molecular Weight (g/mol) 276.34
MDL Number MFCD00010559
SMILES CCN(CCCCN)C1=CC=C2C(=O)NNC(=O)C2=C1
Synonym n-4-aminobutyl-n-ethylisoluminol,abei,6-4-aminobutyl ethyl amino-2,3-dihydrophthalazine-1,4-dione,6-n-4-aminobutyl-n-ethyl amino-2,3-dihydrophthalazine-1,4-dione,1,4-phthalazinedione, 6-4-aminobutyl ethylamino-2,3-dihydro,6-n-4-aminobutyl-n-ethylamino-2,3-dihydro-1,4-phthalazinedione,n-4-aminobutyl-n-ethylisolumiol
IUPAC Name 6-[(4-aminobutyl)(ethyl)amino]-1,2,3,4-tetrahydrophthalazine-1,4-dione
InChI Key LEOJISUPFSWNMA-UHFFFAOYSA-N
Molecular Formula C14H20N4O2
42

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

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

PubChem CID 2774651
CAS 306934-80-5
Molecular Weight (g/mol) 158.113
MDL Number MFCD09064936
SMILES C1=CC(=O)NN=C1C(=O)O.O
IUPAC Name 6-oxo-1H-pyridazine-3-carboxylic acid;hydrate
InChI Key DZCBVXKRERSHAA-UHFFFAOYSA-N
Molecular Formula C5H6N2O4
43

4-Nitrophthalic Hydrazide 98.0+%, TCI America™
SDP

CAS: 3682-19-7 Molecular Formula: C8H5N3O4 Molecular Weight (g/mol): 207.15 MDL Number: MFCD00006891 InChI Key: XQFIOLKLHNOFCA-UHFFFAOYSA-N Synonym: 4-Nitrophthalhydrazide, 2,3-Dihydro-6-nitro-1,4-phthalazinedione PubChem CID: 3543259 IUPAC Name: 6-nitro-1,2,3,4-tetrahydrophthalazine-1,4-dione SMILES: [O-][N+](=O)C1=CC=C2C(=O)NNC(=O)C2=C1

PubChem CID 3543259
CAS 3682-19-7
Molecular Weight (g/mol) 207.15
MDL Number MFCD00006891
SMILES [O-][N+](=O)C1=CC=C2C(=O)NNC(=O)C2=C1
Synonym 4-Nitrophthalhydrazide, 2,3-Dihydro-6-nitro-1,4-phthalazinedione
IUPAC Name 6-nitro-1,2,3,4-tetrahydrophthalazine-1,4-dione
InChI Key XQFIOLKLHNOFCA-UHFFFAOYSA-N
Molecular Formula C8H5N3O4
44

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

CAS: 5157-08-4 Molecular Formula: C5H8N2O Molecular Weight (g/mol): 112.13 MDL Number: MFCD00006455 InChI Key: VOTFXESXPPEARL-UHFFFAOYSA-N Synonym: 6-methyl-4,5-dihydropyridazin-3 2h-one,4,5-dihydro-6-methylpyridazin-3 2h-one,6-methyl-2,3,4,5-tetrahydropyridazin-3-one,3 2h-pyridazinone, 4,5-dihydro-6-methyl,4,5-dihydro-6-methyl-3 2h-pyridazinone,6-methyl-4,5-dihydro-2h-pyridazin-3-one,6-methyl-4,5-dihydro-3 2h-pyridazinone,wln: t6nmv futj f1,6-methyl-2,4,5-trihydropyridazin-3-one,3 2h-pyridazinone,5-dihydro-6-methyl PubChem CID: 78834 IUPAC Name: 3-methyl-4,5-dihydro-1H-pyridazin-6-one SMILES: CC1=NNC(=O)CC1

PubChem CID 78834
CAS 5157-08-4
Molecular Weight (g/mol) 112.13
MDL Number MFCD00006455
SMILES CC1=NNC(=O)CC1
Synonym 6-methyl-4,5-dihydropyridazin-3 2h-one,4,5-dihydro-6-methylpyridazin-3 2h-one,6-methyl-2,3,4,5-tetrahydropyridazin-3-one,3 2h-pyridazinone, 4,5-dihydro-6-methyl,4,5-dihydro-6-methyl-3 2h-pyridazinone,6-methyl-4,5-dihydro-2h-pyridazin-3-one,6-methyl-4,5-dihydro-3 2h-pyridazinone,wln: t6nmv futj f1,6-methyl-2,4,5-trihydropyridazin-3-one,3 2h-pyridazinone,5-dihydro-6-methyl
IUPAC Name 3-methyl-4,5-dihydro-1H-pyridazin-6-one
InChI Key VOTFXESXPPEARL-UHFFFAOYSA-N
Molecular Formula C5H8N2O
45

1-(3-Chloroanilino)-4-phenylphthalazine 98.0+%, TCI America™
SDP

CAS: 78351-75-4 Molecular Formula: C20H14ClN3 Molecular Weight (g/mol): 331.803 MDL Number: MFCD00209838 InChI Key: CEHQLKSLMFIHBF-UHFFFAOYSA-N Synonym: MY-5445, 1-(3-Chlorophenyl)amino-4-phenylphthalazine PubChem CID: 1348 IUPAC Name: N-(3-chlorophenyl)-4-phenylphthalazin-1-amine SMILES: C1=CC=C(C=C1)C2=NN=C(C3=CC=CC=C32)NC4=CC(=CC=C4)Cl

PubChem CID 1348
CAS 78351-75-4
Molecular Weight (g/mol) 331.803
MDL Number MFCD00209838
SMILES C1=CC=C(C=C1)C2=NN=C(C3=CC=CC=C32)NC4=CC(=CC=C4)Cl
Synonym MY-5445, 1-(3-Chlorophenyl)amino-4-phenylphthalazine
IUPAC Name N-(3-chlorophenyl)-4-phenylphthalazin-1-amine
InChI Key CEHQLKSLMFIHBF-UHFFFAOYSA-N
Molecular Formula C20H14ClN3