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

Modify Date: 2025-08-28 09:32:56

2,4-dimethyl-8-phenyl-9-oxa-2,4,7-triazabicyclo[4.3.0]nona-7,10-diene-3,5-dione Structure
2,4-dimethyl-8-phenyl-9-oxa-2,4,7-triazabicyclo[4.3.0]nona-7,10-diene-3,5-dione structure
 Common Name 2,4-dimethyl-8-phenyl-9-oxa-2,4,7-triazabicyclo[4.3.0]nona-7,10-diene-3,5-dione
CAS Number 5429-33-4 Molecular Weight 257.24500
Density 1.335g/cm3 Boiling Point 441.2ºC at 760 mmHg
Molecular Formula C13H11N3O3 Melting Point N/A
MSDS N/A Flash Point 220.6ºC

 Names

Name 4,6-dimethyl-2-phenyl-[1,3]oxazolo[5,4-d]pyrimidine-5,7-dione
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.335g/cm3
Boiling Point 441.2ºC at 760 mmHg
Molecular Formula C13H11N3O3
Molecular Weight 257.24500
Flash Point 220.6ºC
Exact Mass 257.08000
PSA 70.03000
LogP 0.89220
Index of Refraction 1.596

 Safety Information

HS Code 2934999090

 Synthetic Route

6-azido-1,3-dimethylpyrimidine-2,4-dione structure

6-azido-1,3-dim...

CAS#:61541-41-1

benzoic acid structure

benzoic acid

CAS#:65-85-0

~30%

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

2,4-dimethyl-8-...

CAS#:5429-33-4

Literature: Van Tinh, Dang; Stadlbauer, Wolfgang Journal of Heterocyclic Chemistry, 1996 , vol. 33, # 4 p. 1025 - 1030
6-azido-1,3-dimethylpyrimidine-2,4-dione structure

6-azido-1,3-dim...

CAS#:61541-41-1

Benzoyl chloride structure

Benzoyl chloride

CAS#:98-88-4

~10%

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

2,4-dimethyl-8-...

CAS#:5429-33-4

Literature: Van Tinh, Dang; Stadlbauer, Wolfgang Journal of Heterocyclic Chemistry, 1996 , vol. 33, # 4 p. 1025 - 1030
Benzoyl chloride structure

Benzoyl chloride

CAS#:98-88-4

5-amino-6-hydroxy-1,3-dimethyl-pyrimidine-2,4-dione structure

5-amino-6-hydro...

CAS#:54632-31-4

~80%

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

2,4-dimethyl-8-...

CAS#:5429-33-4

Literature: Van Tinh, Dang; Stadlbauer, Wolfgang Journal of Heterocyclic Chemistry, 1996 , vol. 33, # 4 p. 1025 - 1030
5-benzylideneamino-1,3-dimethyl-pyrimidine-2,4,6-trione structure

5-benzylideneam...

CAS#:63873-65-4

~%

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

2,4-dimethyl-8-...

CAS#:5429-33-4

Literature: Senga; Sato; Nishigaki Chemical and Pharmaceutical Bulletin, 1978 , vol. 26, # 3 p. 765 - 769
Benzoyl chloride structure

Benzoyl chloride

CAS#:98-88-4

~%

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

2,4-dimethyl-8-...

CAS#:5429-33-4

Literature: Biltz; Strufe Justus Liebigs Annalen der Chemie, 1914 , vol. 404, p. 164
2,4,6(1H,3H,5H)-Pyrimidinetrione,5-amino-1,3-dimethyl- structure

2,4,6(1H,3H,5H)...

CAS#:30066-93-4

Benzoyl chloride structure

Benzoyl chloride

CAS#:98-88-4

~%

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

2,4-dimethyl-8-...

CAS#:5429-33-4

Literature: Mueller, Christa E.; Roegler, Carolin; Hockemeyer, Joerg Heterocycles, 2009 , vol. 79, # C p. 703 - 720
(1,3-dimethyl-2,4,6-trioxo-hexahydro-pyrimidin-5-yl)-urea structure

(1,3-dimethyl-2...

CAS#:861553-89-1

Benzoyl chloride structure

Benzoyl chloride

CAS#:98-88-4

~%

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

2,4-dimethyl-8-...

CAS#:5429-33-4

Literature: Biltz; Strufe Justus Liebigs Annalen der Chemie, 1914 , vol. 404, p. 164

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

4,6-Dimethyl-2-phenyl[1,3]oxazolo[5,4-d]pyrimidine-5,7(4H,6H)-dione
4,6-dimethyl-2-phenyl-4H-oxazolo[5,4-d]pyrimidine-5,7-dione
2-Phenyl-5,7-dimethyloxazolo<5,4-d>pyrimidin-4,6-(5H,7H)-dion
4,6-dimethyl-2-phenyloxazolo<5,4-d>pyrimidine-5,7(4H,6H)-dione
4,6-Dimethyl-2-phenyl-4H-oxazolo[5,4-d]pyrimidin-5,7-dion
5,7-dimethyl-2-phenyloxazolo<5,4-d>pyrimidine-4,6(5H,7H)-dione
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Chemsrc provides CAS#:5429-33-4 MSDS, density, melting point, boiling point, structure, etc. Its name is 2,4-dimethyl-8-phenyl-9-oxa-2,4,7-triazabicyclo[4.3.0]nona-7,10-diene-3,5-dione>> amp version: 2,4-dimethyl-8-phenyl-9-oxa-2,4,7-triazabicyclo[4.3.0]nona-7,10-diene-3,5-dione

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