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

Modify Date: 2025-09-20 01:25:51

[1,2,5]Thiadiazolo[3,4-d]pyrimidine-5,7(4H,6H)- dione,4,6-dimethyl- Structure
[1,2,5]Thiadiazolo[3,4-d]pyrimidine-5,7(4H,6H)- dione,4,6-dimethyl- structure
 Common Name [1,2,5]Thiadiazolo[3,4-d]pyrimidine-5,7(4H,6H)- dione,4,6-dimethyl-
CAS Number 4712-49-6 Molecular Weight 198.20200
Density 1.557g/cm3 Boiling Point 337.7ºC at 760 mmHg
Molecular Formula C6H6N4O2S Melting Point N/A
MSDS N/A Flash Point 158ºC

 Names

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

 Chemical & Physical Properties

Density 1.557g/cm3
Boiling Point 337.7ºC at 760 mmHg
Molecular Formula C6H6N4O2S
Molecular Weight 198.20200
Flash Point 158ºC
Exact Mass 198.02100
PSA 98.02000
Index of Refraction 1.628

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XI4840000
CHEMICAL NAME :
(1,2,5)Thiadiazolo(3,4-d)pyrimidine-5,7(4H,6H)-dione, 4,6-dimethyl-
CAS REGISTRY NUMBER :
4712-49-6
BEILSTEIN REFERENCE NO. :
0209794
LAST UPDATED :
199712
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C6-H6-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 :
480 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-Diamino-1,3-Dimethyluracil structure

5,6-Diamino-1,3...

CAS#:5440-00-6

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

[1,2,5]Thiadiaz...

CAS#:4712-49-6

Literature: Blicke; Godt Journal of the American Chemical Society, 1954 , vol. 76, p. 2798 Full Text View citing articles Show Details Timmis Journal of the Chemical Society, 1958 , p. 804,806
6-Amino-1,3-dimethyluracil structure

6-Amino-1,3-dim...

CAS#:6642-31-5

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

[1,2,5]Thiadiaz...

CAS#:4712-49-6

Literature: Blicke; Godt Journal of the American Chemical Society, 1954 , vol. 76, p. 2798
6-amino-1,3-dimethyl-5-nitrosouracil structure

6-amino-1,3-dim...

CAS#:6632-68-4

~%

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

[1,2,5]Thiadiaz...

CAS#:4712-49-6

Literature: Blicke; Godt Journal of the American Chemical Society, 1954 , vol. 76, p. 2798
[1,2,5]Thiadiazolo[3,4-d]pyrimidine-5,7 (3H,6H)-dione structure

[1,2,5]Thiadiaz...

CAS#:7501-29-3

Dimethyl sulfate structure

Dimethyl sulfate

CAS#:77-78-1

~53%

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

[1,2,5]Thiadiaz...

CAS#:4712-49-6

Literature: Kravtsov, V. Kh.; Chumakov, Yu. M.; D'yachenko, S. A.; Biyushkin, V. N.; Bureneva, M. I.; Malinovskii, T. I. Journal of Structural Chemistry, 1990 , vol. 31, # 2 p. 311 - 317 Zhurnal Strukturnoi Khimii, 1990 , vol. 31, # 2 p. 146 - 153
6-amino-1,3-dimethyl-5-nitrosouracil structure

6-amino-1,3-dim...

CAS#:6632-68-4

thiourea structure

thiourea

CAS#:17356-08-0

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

[1,2,5]Thiadiaz...

CAS#:4712-49-6

Literature: Timmis Journal of the Chemical Society, 1958 , p. 804,806
1,2,3,4-Tetrahydronaphthalene structure

1,2,3,4-Tetrahy...

CAS#:119-64-2

6-amino-1,3-dimethyl-5-nitrosouracil structure

6-amino-1,3-dim...

CAS#:6632-68-4

thiourea structure

thiourea

CAS#:17356-08-0

~%

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

[1,2,5]Thiadiaz...

CAS#:4712-49-6

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

 Synonyms

(1,2,5)Thiadiazolo(3,4-d)pyrimidine-5,7(4H,6H)-dione,4,6-dimethyl
4,6-Dimethyl-4H-[1,2,5]thiadiazolo[3,4-d]pyrimidin-5,7-dion
1,3-Dimethyl-8-thiaxanthin
4,6-Dimethyl(1,2,5)thiadiazolo(3,4-d)pyrimidine-5,7(4H,6H)-dion
5,7-Dioxo-4,6-dimethyl-<1.2.5>thiadiazolo<3,4-d>pyrimidin-(4H,6H)
4,6-Dimethyl-<1.2.5>thiadiazolo<3.4-d>pyrimidin-5,7(4H,6H)-dion
8-Thiatheophylline
Thiatheophylline
4,6-dimethyl-4H-[1,2,5]thiadiazolo[3,4-d]pyrimidine-5,7-dione
4,6-Dimethyl[1,2,5]thiadiazolo[3,4-d]pyrimidine-5,7(4H,6H)-dione
4,6-dioxo-5,7-dimethylpyrimido-2,1,3-thiadiazole
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Chemsrc provides CAS#:4712-49-6 MSDS, density, melting point, boiling point, structure, etc. Its name is [1,2,5]Thiadiazolo[3,4-d]pyrimidine-5,7(4H,6H)- dione,4,6-dimethyl->> amp version: [1,2,5]Thiadiazolo[3,4-d]pyrimidine-5,7(4H,6H)- dione,4,6-dimethyl-

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