2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one

Modify Date: 2026-08-02 16:04:42

2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one Structure
2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one structure
Common Name 2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one
CAS Number 116805-49-3 Molecular Weight 235.30500
Density 1.51g/cm3 Boiling Point 372.4ºC at 760 mmHg
Molecular Formula C11H13N3OS Melting Point N/A
MSDS N/A Flash Point 179ºC

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.51g/cm3
Boiling Point 372.4ºC at 760 mmHg
Molecular Formula C11H13N3OS
Molecular Weight 235.30500
Flash Point 179ºC
Exact Mass 235.07800
PSA 75.50000
LogP 1.59220
Vapour Pressure 9.62E-06mmHg at 25°C
Index of Refraction 1.763
InChIKey JHYUAMZGJCEADC-UHFFFAOYSA-N
SMILES CCc1nn2c(=O)c3c(nc2s1)CCCC3

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~19%

2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one Structure

2-ethyl-6,7,8,9...

CAS#:116805-49-3

Learn More
Literature: Santagati, Andrea; Santagati, Maria; Russo, Fillippo; Ronsivalle, Giuseppe Journal of Heterocyclic Chemistry, 1988 , vol. 25, p. 949 - 953

~%

2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one Structure

2-ethyl-6,7,8,9...

CAS#:116805-49-3

Learn More
Literature: Santagati; Modica; Russo; Cutuli; Di Pietro; Amico-Roxas Pharmazie, 1994 , vol. 49, # 12 p. 880 - 884

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  3

DownStream  1

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

2-ethyl-6,7,8,9-tetrahydro-5H-1,3,4-thiadiazolo<2,3-b>quinazolin-5-one

  | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What are the downstream products of 2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one?
A: Related downstream products(CAS) of 2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one: 160893-96-9.
Q: What is the Chinese name of 116805-49-3?
A: Chinese name of 116805-49-3 is 116805-49-3.
Q: What English synonyms does 2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one have?
A: English synonyms of 2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one: 2-ethyl-6,7,8,9-tetrahydro-5H-1,3,4-thiadiazoloquinazolin-5-one.
Q: What is the boiling point of 2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one?
A: Boiling point of 2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one is 372.4ºC at 760 mmHg.
Q: What is the molecular formula of 2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one?
A: Molecular formula of 2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one is C11H13N3OS.
Q: What is the InChIKey of 2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one?
A: InChIKey of 2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one is JHYUAMZGJCEADC-UHFFFAOYSA-N.
Q: What are the upstream materials of 2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one?
A: Related upstream materials(CAS) of 2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one: 14068-53-2;1655-07-8;160893-96-9.
Q: What is the molecular weight of 2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one?
A: Molecular weight of 2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one is 235.30500.
Q: What is the English name of 2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one?
A: The English name of 2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one is 2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one.
Q: What is the SMILES notation of 2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one?
A: SMILES notation of 2-ethyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one is CCc1nn2c(=O)c3c(nc2s1)CCCC3.
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