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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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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-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

PubChem CID 10638
CAS 521-31-3
Molecular Weight (g/mol) 177.16
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
4

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

PubChem CID 2774632
CAS 7143-82-0
Molecular Weight (g/mol) 110.12
MDL Number MFCD00039720
SMILES CC1=NNC(=O)C=C1
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
InChI Key QZWIXLPWMGHDDD-UHFFFAOYSA-N
Molecular Formula C5H6N2O
5

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

PubChem CID 203396
CAS 14305-08-9
Molecular Weight (g/mol) 329.979
MDL Number MFCD00052907
SMILES C1=CC=C(C=C1)N2C(=O)C(=C(C=N2)Br)Br
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
IUPAC Name 4,5-dibromo-2-phenylpyridazin-3-one
InChI Key NQJXEMRMTOSSBQ-UHFFFAOYSA-N
Molecular Formula C10H6Br2N2O
6

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
7

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
8

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
9

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
10

1(2H)-Phthalazinone, 98+%

CAS: 119-39-1 Molecular Formula: C8H6N2O Molecular Weight (g/mol): 146.15 MDL Number: MFCD00006892 InChI Key: IJAPPYDYQCXOEF-UHFFFAOYSA-N Synonym: 1 2h-phthalazinone,phthalazin-1 2h-one,phthalazone,phthalazinone,phthalazin-1-one,1-phthalazinol,phthalazin-1-ol,1-hydroxyphthalazine,1 2h phthalazinone,1,2-dihydrophthalazin-1-one PubChem CID: 8394 ChEBI: CHEBI:34023 IUPAC Name: 2H-phthalazin-1-one SMILES: C1=CC=C2C(=C1)C=NNC2=O

PubChem CID 8394
CAS 119-39-1
Molecular Weight (g/mol) 146.15
ChEBI CHEBI:34023
MDL Number MFCD00006892
SMILES C1=CC=C2C(=C1)C=NNC2=O
Synonym 1 2h-phthalazinone,phthalazin-1 2h-one,phthalazone,phthalazinone,phthalazin-1-one,1-phthalazinol,phthalazin-1-ol,1-hydroxyphthalazine,1 2h phthalazinone,1,2-dihydrophthalazin-1-one
IUPAC Name 2H-phthalazin-1-one
InChI Key IJAPPYDYQCXOEF-UHFFFAOYSA-N
Molecular Formula C8H6N2O
11

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
12

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

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
IUPAC Name 4-chloro-2H-phthalazin-1-one
InChI Key QCKGMJDOJRNSMS-UHFFFAOYSA-N
Molecular Formula C8H5ClN2O
13

6-Bromo-3-pyridazinamine, 97%, Thermo Scientific™

CAS: 88497-27-2 Molecular Formula: C4H4BrN3 Molecular Weight (g/mol): 174.001 MDL Number: MFCD01646092 InChI Key: FXTDHDQFLZNYKW-UHFFFAOYSA-N PubChem CID: 2794779 IUPAC Name: 6-bromopyridazin-3-amine SMILES: C1=CC(=NN=C1N)Br

PubChem CID 2794779
CAS 88497-27-2
Molecular Weight (g/mol) 174.001
MDL Number MFCD01646092
SMILES C1=CC(=NN=C1N)Br
IUPAC Name 6-bromopyridazin-3-amine
InChI Key FXTDHDQFLZNYKW-UHFFFAOYSA-N
Molecular Formula C4H4BrN3
14

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

PubChem CID 120462
CAS 933-76-6
Molecular Weight (g/mol) 179.00
MDL Number MFCD00051686
SMILES CN1N=CC(Cl)=C(Cl)C1=O
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
IUPAC Name 4,5-dichloro-2-methylpyridazin-3-one
InChI Key ACKBTCUMGAHRIE-UHFFFAOYSA-N
Molecular Formula C5H4Cl2N2O
15

N-Methylmaleic hydrazide, 97%

CAS: 5436-01-1 MDL Number: MFCD00234108

CAS 5436-01-1
MDL Number MFCD00234108