[1,2,5]Thiadiazolo[3,4-d]pyrimidine-5,7 (3H,6H)-dione

Modify Date: 2025-09-20 13:30:06

[1,2,5]Thiadiazolo[3,4-d]pyrimidine-5,7 (3H,6H)-dione Structure
[1,2,5]Thiadiazolo[3,4-d]pyrimidine-5,7 (3H,6H)-dione structure
 Common Name [1,2,5]Thiadiazolo[3,4-d]pyrimidine-5,7 (3H,6H)-dione
CAS Number 7501-29-3 Molecular Weight 170.14900
Density 2.51g/cm3 Boiling Point N/A
Molecular Formula C4H2N4O2S Melting Point N/A
MSDS N/A Flash Point N/A

 Names

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

 Chemical & Physical Properties

Density 2.51g/cm3
Molecular Formula C4H2N4O2S
Molecular Weight 170.14900
Exact Mass 169.99000
PSA 119.74000
Index of Refraction 2.178

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XI4830000
CHEMICAL NAME :
(1,2,5)Thiadiazolo(3,4-d)pyrimidine-5,7(4H,6H)-dione
CAS REGISTRY NUMBER :
7501-29-3
LAST UPDATED :
199012
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C4-H2-N4-O2-S

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
920 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
KHFZAN Khimiko-Farmatsevticheskii Zhurnal. Chemical Pharmaceutical Journal. For English translation, see PCJOAU. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1967- Volume(issue)/page/year: 11(2),82,1977

 Synthetic Route

5,6-DIAMINOPYRIMIDINE-2,4(1H,3H)-DIONE structure

5,6-DIAMINOPYRI...

CAS#:3240-72-0

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[1,2,5]Thiadiazolo[3,4-d]pyrimidine-5,7 (3H,6H)-dione Structure

[1,2,5]Thiadiaz...

CAS#:7501-29-3

Literature: Timmis Journal of the Chemical Society, 1958 , p. 804,806
1,2,5-Thiadiazole-3-carboxamide,4-[(aminocarbonyl)amino]-N-butyl- structure

1,2,5-Thiadiazo...

CAS#:7501-18-0

~%

[1,2,5]Thiadiazolo[3,4-d]pyrimidine-5,7 (3H,6H)-dione Structure

[1,2,5]Thiadiaz...

CAS#:7501-29-3

Literature: Shealy,Y.F.; Clayton,J.D. Journal of Organic Chemistry, 1964 , vol. 29, p. 2141 - 2145
5,6-DIAMINOPYRIMIDINE-2,4(1H,3H)-DIONE structure

5,6-DIAMINOPYRI...

CAS#:3240-72-0

N/A structure

N/A

CAS#:222851-56-1

~%

[1,2,5]Thiadiazolo[3,4-d]pyrimidine-5,7 (3H,6H)-dione Structure

[1,2,5]Thiadiaz...

CAS#:7501-29-3

Literature: Shealy,Y.F. et al. Journal of Organic Chemistry, 1962 , vol. 27, p. 2154 - 2160 View citing articles Show Details Pesin et al. Zhurnal Obshchei Khimii, 1959 , vol. 29, p. 3214,3216; engl. Ausg. S. 3178, 3180
Thionyl chloride structure

Thionyl chloride

CAS#:7719-09-7

5,6-DIAMINOPYRIMIDINE-2,4(1H,3H)-DIONE structure

5,6-DIAMINOPYRI...

CAS#:3240-72-0

~%

[1,2,5]Thiadiazolo[3,4-d]pyrimidine-5,7 (3H,6H)-dione Structure

[1,2,5]Thiadiaz...

CAS#:7501-29-3

Literature: Timmis Journal of the Chemical Society, 1958 , p. 804,806
Pyridine structure

Pyridine

CAS#:110-86-1

5,6-DIAMINOPYRIMIDINE-2,4(1H,3H)-DIONE structure

5,6-DIAMINOPYRI...

CAS#:3240-72-0

Ethanol structure

Ethanol

CAS#:64-17-5

Potassium acetate structure

Potassium acetate

CAS#:127-08-2

N/A structure

N/A

CAS#:222851-56-1

Detail
Literature: Pesin et al. Zhurnal Obshchei Khimii, 1959 , vol. 29, p. 3214,3216; engl. Ausg. S. 3178, 3180

 Synonyms

4H-[1,2,5]thiadiazolo[3,4-d]pyrimidine-5,7-dione
(1,2,5)Thiadiazolo(3,4-d)pyrimidine-5,7(4H,6H)-dione
4H-[1,2,5]Thiadiazolo[3,4-d]pyrimidin-5,7-dion
5,7-Dioxo-<1.2.5>thiadiazolo<3,4-d>pyrimidin-(4H,6H)
4,6-dioxopyrimido-2,1,3-thiadiazole
8-Thiaxanthin
<1.2.5>Thiadiazolo<3.4-d>pyrimidin-5,7(4H,6H)-dion
(1,2,5)Thiadiazolo(3,4-d)pyrimidine-5,7(3H,6H)-dione
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Chemsrc provides CAS#:7501-29-3 MSDS, density, melting point, boiling point, structure, etc. Its name is [1,2,5]Thiadiazolo[3,4-d]pyrimidine-5,7 (3H,6H)-dione>> amp version: [1,2,5]Thiadiazolo[3,4-d]pyrimidine-5,7 (3H,6H)-dione

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