3-methyl-9-phenyl-4-oxa-2,8,9-triazabicyclo[4.3.0]nona-2,7,10-trien-5-one

Modify Date: 2025-08-26 10:39:44

3-methyl-9-phenyl-4-oxa-2,8,9-triazabicyclo[4.3.0]nona-2,7,10-trien-5-one Structure
3-methyl-9-phenyl-4-oxa-2,8,9-triazabicyclo[4.3.0]nona-2,7,10-trien-5-one structure
 Common Name 3-methyl-9-phenyl-4-oxa-2,8,9-triazabicyclo[4.3.0]nona-2,7,10-trien-5-one
CAS Number 51649-70-8 Molecular Weight 227.21900
Density 1.39g/cm3 Boiling Point 404.7ºC at 760 mmHg
Molecular Formula C12H9N3O2 Melting Point N/A
MSDS N/A Flash Point 198.5ºC

 Names

Name 6-methyl-1-phenylpyrazolo[3,4-d][1,3]oxazin-4-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.39g/cm3
Boiling Point 404.7ºC at 760 mmHg
Molecular Formula C12H9N3O2
Molecular Weight 227.21900
Flash Point 198.5ºC
Exact Mass 227.06900
PSA 60.92000
LogP 1.68210
Index of Refraction 1.688

 Synthetic Route

5-amino-4-carbethoxy-1-phenylpyrazole structure

5-amino-4-carbe...

CAS#:16078-71-0

~%

3-methyl-9-phenyl-4-oxa-2,8,9-triazabicyclo[4.3.0]nona-2,7,10-trien-5-one Structure

3-methyl-9-phen...

CAS#:51649-70-8

Literature: Pathak, U. S.; Gandhi, Sudha; Rathod, I. S. Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1994 , vol. 33, # 8 p. 734 - 737
5-amino-1-phenylpyrazole-4-carboxamide structure

5-amino-1-pheny...

CAS#:50427-77-5

~%

3-methyl-9-phenyl-4-oxa-2,8,9-triazabicyclo[4.3.0]nona-2,7,10-trien-5-one Structure

3-methyl-9-phen...

CAS#:51649-70-8

Literature: Cheng; Robins Journal of Organic Chemistry, 1958 , vol. 23, p. 191,195
5-amino-1-phenylpyrazole-4-carboxylic acid structure

5-amino-1-pheny...

CAS#:51649-80-0

Ethanoic anhydride structure

Ethanoic anhydride

CAS#:108-24-7

~72%

3-methyl-9-phenyl-4-oxa-2,8,9-triazabicyclo[4.3.0]nona-2,7,10-trien-5-one Structure

3-methyl-9-phen...

CAS#:51649-70-8

Literature: Pathak, U. S.; Gandhi, Sudha; Rathod, I. S. Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1994 , vol. 33, # 8 p. 734 - 737
5-amino-1-phenylpyrazole-4-carboxamide structure

5-amino-1-pheny...

CAS#:50427-77-5

Ethanoic anhydride structure

Ethanoic anhydride

CAS#:108-24-7

~%

3-methyl-9-phenyl-4-oxa-2,8,9-triazabicyclo[4.3.0]nona-2,7,10-trien-5-one Structure

3-methyl-9-phen...

CAS#:51649-70-8

Literature: Cheng; Robins Journal of Organic Chemistry, 1958 , vol. 23, p. 191,195

 Synonyms

hms1439p13
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Chemsrc provides CAS#:51649-70-8 MSDS, density, melting point, boiling point, structure, etc. Its name is 3-methyl-9-phenyl-4-oxa-2,8,9-triazabicyclo[4.3.0]nona-2,7,10-trien-5-one>> amp version: 3-methyl-9-phenyl-4-oxa-2,8,9-triazabicyclo[4.3.0]nona-2,7,10-trien-5-one

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