5-methyl-9-phenyl-2-oxa-8,9-diazabicyclo[4.3.0]nona-4,10-diene-3,7-dione

Modify Date: 2025-09-21 16:46:13

5-methyl-9-phenyl-2-oxa-8,9-diazabicyclo[4.3.0]nona-4,10-diene-3,7-dione Structure
5-methyl-9-phenyl-2-oxa-8,9-diazabicyclo[4.3.0]nona-4,10-diene-3,7-dione structure
 Common Name 5-methyl-9-phenyl-2-oxa-8,9-diazabicyclo[4.3.0]nona-4,10-diene-3,7-dione
CAS Number 87343-67-7 Molecular Weight 242.23000
Density 1.43g/cm3 Boiling Point 467.9ºC at 760 mmHg
Molecular Formula C13H10N2O3 Melting Point N/A
MSDS N/A Flash Point 236.8ºC

 Names

Name 4-methyl-1-phenyl-2H-pyrano[2,3-c]pyrazole-3,6-dione
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.43g/cm3
Boiling Point 467.9ºC at 760 mmHg
Molecular Formula C13H10N2O3
Molecular Weight 242.23000
Flash Point 236.8ºC
Exact Mass 242.06900
PSA 68.26000
LogP 1.99270
Index of Refraction 1.681

 Synthetic Route

3,5-Pyrazolidinedione,1-phenyl- structure

3,5-Pyrazolidin...

CAS#:19933-22-3

~%

5-methyl-9-phenyl-2-oxa-8,9-diazabicyclo[4.3.0]nona-4,10-diene-3,7-dione Structure

5-methyl-9-phen...

CAS#:87343-67-7

Literature: Maquestiau, A.; Eynde, Vanden J. J. Bulletin des Societes Chimiques Belges, 1984 , vol. 93, # 6 p. 451 - 458
3,5-Pyrazolidinedione,1-phenyl- structure

3,5-Pyrazolidin...

CAS#:19933-22-3

Ethyl acetoacetate structure

Ethyl acetoacetate

CAS#:141-97-9

~60%

1-phenyl-4-isopropylidenepyrazolidine-3,5-dione structure

1-phenyl-4-isop...

CAS#:87343-68-8

5-methyl-9-phenyl-2-oxa-8,9-diazabicyclo[4.3.0]nona-4,10-diene-3,7-dione Structure

5-methyl-9-phen...

CAS#:87343-67-7

Literature: Maquestiau, A.; Haverbeke, Y. van; Eynde, J.-J. Vanden Bulletin des Societes Chimiques Belges, 1983 , vol. 92, # 5 p. 451 - 458
3-(3,5-dioxo-1-phenylpyrazolidin-4-ylidene)butanamide structure

3-(3,5-dioxo-1-...

CAS#:95155-05-8

~%

5-methyl-9-phenyl-2-oxa-8,9-diazabicyclo[4.3.0]nona-4,10-diene-3,7-dione Structure

5-methyl-9-phen...

CAS#:87343-67-7

Literature: Maquestiau, A.; Eynde, Vanden J. J. Bulletin des Societes Chimiques Belges, 1984 , vol. 93, # 6 p. 451 - 458
N/A structure

N/A

CAS#:95155-00-3

~%

5-methyl-9-phenyl-2-oxa-8,9-diazabicyclo[4.3.0]nona-4,10-diene-3,7-dione Structure

5-methyl-9-phen...

CAS#:87343-67-7

Literature: Maquestiau, A.; Eynde, Vanden J. J. Bulletin des Societes Chimiques Belges, 1984 , vol. 93, # 6 p. 451 - 458
N/A structure

N/A

CAS#:95155-01-4

~%

5-methyl-9-phenyl-2-oxa-8,9-diazabicyclo[4.3.0]nona-4,10-diene-3,7-dione Structure

5-methyl-9-phen...

CAS#:87343-67-7

Literature: Maquestiau, A.; Eynde, Vanden J. J. Bulletin des Societes Chimiques Belges, 1984 , vol. 93, # 6 p. 451 - 458
3-(3,5-dioxo-1-phenylpyrazolidin-4-ylidene)-N-phenylbutanamide structure

3-(3,5-dioxo-1-...

CAS#:95155-03-6

~%

5-methyl-9-phenyl-2-oxa-8,9-diazabicyclo[4.3.0]nona-4,10-diene-3,7-dione Structure

5-methyl-9-phen...

CAS#:87343-67-7

Literature: Maquestiau, A.; Eynde, Vanden J. J. Bulletin des Societes Chimiques Belges, 1984 , vol. 93, # 6 p. 451 - 458
N-(4-chlorophenyl)-3-(3,5-dioxo-1-phenylpyrazolidin-4-ylidene)butanamide structure

N-(4-chlorophen...

CAS#:95155-02-5

~%

5-methyl-9-phenyl-2-oxa-8,9-diazabicyclo[4.3.0]nona-4,10-diene-3,7-dione Structure

5-methyl-9-phen...

CAS#:87343-67-7

Literature: Maquestiau, A.; Eynde, Vanden J. J. Bulletin des Societes Chimiques Belges, 1984 , vol. 93, # 6 p. 451 - 458
nsc605193 structure

nsc605193

CAS#:95155-04-7

~%

5-methyl-9-phenyl-2-oxa-8,9-diazabicyclo[4.3.0]nona-4,10-diene-3,7-dione Structure

5-methyl-9-phen...

CAS#:87343-67-7

Literature: Maquestiau, A.; Eynde, Vanden J. J. Bulletin des Societes Chimiques Belges, 1984 , vol. 93, # 6 p. 451 - 458
3-(1-phenyl-3,5-dioxopyrazolidine-4-ylidene)butanoate d'ethyle structure

3-(1-phenyl-3,5...

CAS#:87343-66-6

~%

5-methyl-9-phenyl-2-oxa-8,9-diazabicyclo[4.3.0]nona-4,10-diene-3,7-dione Structure

5-methyl-9-phen...

CAS#:87343-67-7

Literature: Maquestiau, A.; Eynde, Vanden J. J. Bulletin des Societes Chimiques Belges, 1984 , vol. 93, # 6 p. 451 - 458

 Synonyms

3-hydroxy-4-methyl-1-phenyl-1,6-dihydropyrano[2,3-c]pyrazol-6-one
1-phenyl-3-hydroxy-4-methylpyrano [2,3-c] pyrazole-6(1H)-one
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Related Compounds: More...
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1629048-19-6
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1806222-40-1
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Chemsrc provides CAS#:87343-67-7 MSDS, density, melting point, boiling point, structure, etc. Its name is 5-methyl-9-phenyl-2-oxa-8,9-diazabicyclo[4.3.0]nona-4,10-diene-3,7-dione>> amp version: 5-methyl-9-phenyl-2-oxa-8,9-diazabicyclo[4.3.0]nona-4,10-diene-3,7-dione

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