8-methyl-7-thia-2,4,9-triazabicyclo[4.3.0]nona-8,10-diene-3,5-dione

Modify Date: 2025-08-26 17:00:22

8-methyl-7-thia-2,4,9-triazabicyclo[4.3.0]nona-8,10-diene-3,5-dione Structure
8-methyl-7-thia-2,4,9-triazabicyclo[4.3.0]nona-8,10-diene-3,5-dione structure
 Common Name 8-methyl-7-thia-2,4,9-triazabicyclo[4.3.0]nona-8,10-diene-3,5-dione
CAS Number 18903-26-9 Molecular Weight 183.18800
Density 1.522g/cm3 Boiling Point N/A
Molecular Formula C6H5N3O2S Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name 2-methyl-4H-[1,3]thiazolo[4,5-d]pyrimidine-5,7-dione
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.522g/cm3
Molecular Formula C6H5N3O2S
Molecular Weight 183.18800
Exact Mass 183.01000
PSA 106.85000
Index of Refraction 1.616

 Synthetic Route

4-benzyl-2-methyl-4H-thiazolo[4,5-d]pyrimidine-5,7-dione structure

4-benzyl-2-meth...

CAS#:1093074-96-4

~90%

8-methyl-7-thia-2,4,9-triazabicyclo[4.3.0]nona-8,10-diene-3,5-dione Structure

8-methyl-7-thia...

CAS#:18903-26-9

Literature: F.HOFFMANN-LA ROCHE AG Patent: WO2008/152390 A1, 2008 ; Location in patent: Page/Page column 33; 49 ; WO 2008/152390 A1
6-benzyl-2-methyl-4H-thiazolo[4,5-d]pyrimidine-5,7-dione structure

6-benzyl-2-meth...

CAS#:1093074-98-6

~99%

8-methyl-7-thia-2,4,9-triazabicyclo[4.3.0]nona-8,10-diene-3,5-dione Structure

8-methyl-7-thia...

CAS#:18903-26-9

Literature: F.HOFFMANN-LA ROCHE AG Patent: WO2008/152390 A1, 2008 ; Location in patent: Page/Page column 49 ; WO 2008/152390 A1
N/A structure

N/A

CAS#:500862-57-7

~%

8-methyl-7-thia-2,4,9-triazabicyclo[4.3.0]nona-8,10-diene-3,5-dione Structure

8-methyl-7-thia...

CAS#:18903-26-9

Literature: Childress; McKee Journal of the American Chemical Society, 1951 , vol. 73, p. 3862
4-hydroxy-8-methyl-7-thia-2,4,9-triazabicyclo[4.3.0]nona-8,10-diene-3,5-dione structure

4-hydroxy-8-met...

CAS#:18903-23-6

~%

8-methyl-7-thia-2,4,9-triazabicyclo[4.3.0]nona-8,10-diene-3,5-dione Structure

8-methyl-7-thia...

CAS#:18903-26-9

Literature: Bauer,L.; Mahajanshetti,C.S. Journal of Heterocyclic Chemistry, 1968 , vol. 5, p. 331 - 335
Diethyl 2-methylthiazole-4,5-dicarboxylate structure

Diethyl 2-methy...

CAS#:18903-17-8

~%

8-methyl-7-thia-2,4,9-triazabicyclo[4.3.0]nona-8,10-diene-3,5-dione Structure

8-methyl-7-thia...

CAS#:18903-26-9

Literature: Bauer,L.; Mahajanshetti,C.S. Journal of Heterocyclic Chemistry, 1968 , vol. 5, p. 331 - 335

 Synonyms

2-methyl-thiazolo[5,4-e]pyrimidine-5,7-diol
HMS1607O06
2-Methyl-thiazolo<4.5-d>pyrimidin-5,7-(4H,6H)-dion
2-methyl-4H-thiazolo[4,5-d]pyrimidine-5,7-dione
2-Methyl-4H-thiazolo[4,5-d]pyrimidin-5,7-dion
2-methylthiazolo<4,5-d>pyrimidine-5,7-dione
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Chemsrc provides CAS#:18903-26-9 MSDS, density, melting point, boiling point, structure, etc. Its name is 8-methyl-7-thia-2,4,9-triazabicyclo[4.3.0]nona-8,10-diene-3,5-dione>> amp version: 8-methyl-7-thia-2,4,9-triazabicyclo[4.3.0]nona-8,10-diene-3,5-dione

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