2H-Pyrido[2,3-e]-1,2,4-thiadiazin-3-amine,1,1-dioxide(9CI)

Modify Date: 2025-09-13 18:47:52

2H-Pyrido[2,3-e]-1,2,4-thiadiazin-3-amine,1,1-dioxide(9CI) structure	Common Name	2H-Pyrido[2,3-e]-1,2,4-thiadiazin-3-amine,1,1-dioxide(9CI)
	CAS Number	70661-81-3	Molecular Weight	198.20200
	Density	1.91g/cm3	Boiling Point	479.7ºC at 760 mmHg
	Molecular Formula	C₆H₆N₄O₂S	Melting Point	N/A
	MSDS	N/A	Flash Point	N/A

Name	1,1-dioxo-4H-pyrido[2,3-e][1,2,4]thiadiazin-3-amine

Density	1.91g/cm3
Boiling Point	479.7ºC at 760 mmHg
Molecular Formula	C₆H₆N₄O₂S
Molecular Weight	198.20200
Exact Mass	198.02100
PSA	105.82000
LogP	0.86520
Index of Refraction	1.843

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UV1184900

CHEMICAL NAME :: 2H-Pyrido(2,3-e)-1,2,4-thiadiazin-3-amine, 1,1-dioxide

CAS REGISTRY NUMBER :: 70661-81-3

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C6-H6-N4-O2-S

MOLECULAR WEIGHT :: 198.22

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Mammal - species unspecified

DOSE/DURATION :: >500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PCJOAU Pharmaceutical Chemistry Journal (English Translation). Translation of KHFZAN. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013) No.1- 1967- Volume(issue)/page/year: 13,389,1979

carbonic acid; guanidine structure

carbonic acid; ...

CAS#:124-46-9

3-Pyridinesulfonamide,2-amino-(9CI) structure

3-Pyridinesulfo...

CAS#:54136-36-6

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2H-Pyrido[2,3-e]-1,2,4-thiadiazin-3-amine,1,1-dioxide(9CI) Structure

2H-Pyrido[2,3-e...

CAS#:70661-81-3

Literature: Kotovskaya,S.K. et al. Pharmaceutical Chemistry Journal, 1979 , vol. 13, # 4 p. 389 - 392 Khimiko-Farmatsevticheskii Zhurnal, 1979 , vol. 13, # 4 p. 54 - 57

Precursor 2
CAS#:124-46-9 carbonic acid; ... CAS#:54136-36-6 3-Pyridinesulfo...
DownStream 0

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