7-methyl-1-benzothiophene-2,3-dione

Modify Date: 2026-08-09 10:19:35

7-methyl-1-benzothiophene-2,3-dione Structure
7-methyl-1-benzothiophene-2,3-dione structure
Common Name 7-methyl-1-benzothiophene-2,3-dione
CAS Number 57780-58-2 Molecular Weight 178.20800
Density N/A Boiling Point N/A
Molecular Formula C9H6O2S Melting Point N/A
MSDS N/A Flash Point N/A

 Names

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

Name 7-methyl-1-benzothiophene-2,3-dione
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.

Molecular Formula C9H6O2S
Molecular Weight 178.20800
Exact Mass 178.00900
PSA 59.44000
LogP 1.81000
InChIKey MTIXYUVQMDNLJT-UHFFFAOYSA-N
SMILES Cc1cccc2c1SC(=O)C2=O

 Synthetic Route

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

~%

7-methyl-1-benzothiophene-2,3-dione Structure

7-methyl-1-benz...

CAS#:57780-58-2

Learn More
Literature: Dalgliesh; Mann Journal of the Chemical Society, 1945 , p. 893,900

~%

7-methyl-1-benzothiophene-2,3-dione Structure

7-methyl-1-benz...

CAS#:57780-58-2

Learn More
Literature: Dalgliesh; Mann Journal of the Chemical Society, 1945 , p. 893,900

 Precursor & DownStream

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

Precursor  2

DownStream  0

 Synonyms

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

7-methylbenzothiophene-2,3-dione

 7-methyl-1-benzothiophene-2,3-dione | FAQ

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

Q: What is the molecular weight of 7-methyl-1-benzothiophene-2,3-dione?
A: Molecular weight of 7-methyl-1-benzothiophene-2,3-dione is 178.20800.
Q: What English synonyms does 7-methyl-1-benzothiophene-2,3-dione have?
A: English synonyms of 7-methyl-1-benzothiophene-2,3-dione: 7-methylbenzothiophene-2,3-dione.
Q: What is the CAS number of 7-methyl-1-benzothiophene-2,3-dione?
A: CAS number of 7-methyl-1-benzothiophene-2,3-dione is 57780-58-2.
Q: What is the InChIKey of 7-methyl-1-benzothiophene-2,3-dione?
A: InChIKey of 7-methyl-1-benzothiophene-2,3-dione is MTIXYUVQMDNLJT-UHFFFAOYSA-N.
Q: What is the English name of 7-methyl-1-benzothiophene-2,3-dione?
A: The English name of 7-methyl-1-benzothiophene-2,3-dione is 7-methyl-1-benzothiophene-2,3-dione.
Q: What is the SMILES notation of 7-methyl-1-benzothiophene-2,3-dione?
A: SMILES notation of 7-methyl-1-benzothiophene-2,3-dione is Cc1cccc2c1SC(=O)C2=O.
Q: What is the Chinese name of 57780-58-2?
A: Chinese name of 57780-58-2 is 57780-58-2.
Q: What are the upstream materials of 7-methyl-1-benzothiophene-2,3-dione?
A: Related upstream materials(CAS) of 7-methyl-1-benzothiophene-2,3-dione: 857548-38-0;18619-15-3.
Q: What is the polar surface area (PSA) of 7-methyl-1-benzothiophene-2,3-dione?
A: Polar surface area (PSA) of 7-methyl-1-benzothiophene-2,3-dione is 59.44000.
Q: What is the molecular formula of 7-methyl-1-benzothiophene-2,3-dione?
A: Molecular formula of 7-methyl-1-benzothiophene-2,3-dione is C9H6O2S.
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