accessibility menu, dialog, popup

UserName

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.
Molecular Weight (g/mol) 
  • (4)
  • (2)
  • (3)
  • (7)
  • (3)
  • (1)
  • (2)
  • (2)
  • (1)
  • (2)
  • (2)
  • (2)
  • (3)
  • (4)
  • (2)
  • (8)
  • (5)
  • (1)
  • (1)
  • (2)
  • (2)
  • (1)
  • (4)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (2)
  • (5)
  • (1)
Percent Purity 
  • (1)
  • (4)
  • (14)
  • (11)
  • (1)
  • (12)
  • (2)
  • (9)
  • (25)
  • (1)
  • (1)
Quantity 
  • (21)
  • (2)
  • (4)
  • (2)
  • (1)
  • (1)
  • (19)
  • (29)
  • (2)
Physical Form 
  • (1)
  • (1)
  • (43)
  • (2)
  • (6)
  • (5)
Grade 
  • (4)

Filtered Search Results

Products from some of our suppliers do not display in filtered search results. Please clear all filters to see these products.

Narrow Results

Narrow Results

No results found within this category. Try removing some selected filters and try again.

category

brands

  • (43)
  • (38)

Molecular Weight (g/mol)

  • (4)
  • (2)
  • (3)
  • (7)
  • (3)
  • (1)
  • (2)
  • (2)
  • (1)
  • (2)
  • (2)
  • (2)
  • (3)
  • (4)
  • (2)
  • (8)
  • (5)
  • (1)
  • (1)
  • (2)
  • (2)
  • (1)
  • (4)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (2)
  • (5)
  • (1)

Percent Purity

  • (1)
  • (4)
  • (14)
  • (11)
  • (1)
  • (12)
  • (2)
  • (9)
  • (25)
  • (1)
  • (1)

Quantity

  • (21)
  • (2)
  • (4)
  • (2)
  • (1)
  • (1)
  • (19)
  • (29)
  • (2)

Physical Form

  • (1)
  • (1)
  • (43)
  • (2)
  • (6)
  • (5)

Grade

  • (4)

Boiling Point

  • (1)
  • (2)
1 – 15 of 42 results
1

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
2

N-Methylmaleic hydrazide, 97%

CAS: 5436-01-1 MDL Number: MFCD00234108

CAS 5436-01-1
MDL Number MFCD00234108
3

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
4

Phthalhydrazide, 99%

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 IUPAC Name: 2,3-dihydrophthalazine-1,4-dione 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
IUPAC Name 2,3-dihydrophthalazine-1,4-dione
InChI Key JNQUJPBFSQETPT-UHFFFAOYNA-N
Molecular Formula C8H6N2O2
5

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
6

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
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

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

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
9

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
10

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
11

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
12

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
13

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

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
14

6-Bromophthalazin-1(4H)-one, 98%

CAS: 75884-70-7 Molecular Formula: C8H5BrN2O Molecular Weight (g/mol): 225.05 MDL Number: MFCD09264003 InChI Key: QMONLZVJOOMKRW-UHFFFAOYSA-N PubChem CID: 11535918 IUPAC Name: 6-bromo-1,2-dihydrophthalazin-1-one SMILES: BrC1=CC=C2C(=O)NN=CC2=C1

PubChem CID 11535918
CAS 75884-70-7
Molecular Weight (g/mol) 225.05
MDL Number MFCD09264003
SMILES BrC1=CC=C2C(=O)NN=CC2=C1
IUPAC Name 6-bromo-1,2-dihydrophthalazin-1-one
InChI Key QMONLZVJOOMKRW-UHFFFAOYSA-N
Molecular Formula C8H5BrN2O
15

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