3-hydroxy-2-formylbenzothiophene

Modify Date: 2026-07-04 09:37:28

3-hydroxy-2-formylbenzothiophene Structure
3-hydroxy-2-formylbenzothiophene structure
Common Name 3-hydroxy-2-formylbenzothiophene
CAS Number 27751-82-2 Molecular Weight 178.20800
Density 1.581g/cm3 Boiling Point 305.5ºC at 760mmHg
Molecular Formula C9H6O2S Melting Point N/A
MSDS N/A Flash Point 138.5ºC

 Names

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

Name 2-(hydroxymethylidene)-1-benzothiophen-3-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 1.581g/cm3
Boiling Point 305.5ºC at 760mmHg
Molecular Formula C9H6O2S
Molecular Weight 178.20800
Flash Point 138.5ºC
Exact Mass 178.00900
PSA 62.60000
LogP 2.37440
Vapour Pressure 0.000358mmHg at 25°C
Index of Refraction 1.839
InChIKey FKDSQVIMAMXYDT-UHFFFAOYSA-N
SMILES O=Cc1sc2ccccc2c1O

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

HS Code 2934999090

 Synthetic Route

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

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3-hydroxy-2-formylbenzothiophene Structure

3-hydroxy-2-for...

CAS#:27751-82-2

Learn More
Literature: Jeong, Yong-Chul; Ahn, Dae-Jun; Lee, Woo-Sun; Lee, Seung-Han; Ahn, Kwang-Hyun Bulletin of the Korean Chemical Society, 2011 , vol. 32, # 3 p. 1063 - 1066

~%

3-hydroxy-2-formylbenzothiophene Structure

3-hydroxy-2-for...

CAS#:27751-82-2

Learn More
Literature: Jeong, Yong-Chul; Ahn, Dae-Jun; Lee, Woo-Sun; Lee, Seung-Han; Ahn, Kwang-Hyun Bulletin of the Korean Chemical Society, 2011 , vol. 32, # 3 p. 1063 - 1066

~%

3-hydroxy-2-formylbenzothiophene Structure

3-hydroxy-2-for...

CAS#:27751-82-2

Learn More
Literature: Jeong, Yong-Chul; Ahn, Dae-Jun; Lee, Woo-Sun; Lee, Seung-Han; Ahn, Kwang-Hyun Bulletin of the Korean Chemical Society, 2011 , vol. 32, # 3 p. 1063 - 1066

~%

3-hydroxy-2-formylbenzothiophene Structure

3-hydroxy-2-for...

CAS#:27751-82-2

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Literature: Smiles; McClelland Journal of the Chemical Society, 1921 , vol. 119, p. 1815

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3-hydroxy-2-formylbenzothiophene Structure

3-hydroxy-2-for...

CAS#:27751-82-2

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Literature: Rodionow et al. Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1948 , p. 536,545 Chem.Abstr., 1949 , p. 2200

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3-hydroxy-2-formylbenzothiophene Structure

3-hydroxy-2-for...

CAS#:27751-82-2

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Literature: Krollpfeiffer Justus Liebigs Annalen der Chemie, 1928 , vol. 462, p. 62 Chemische Berichte, 1923 , vol. 56, p. 2363

~%

3-hydroxy-2-formylbenzothiophene Structure

3-hydroxy-2-for...

CAS#:27751-82-2

Learn More
Literature: Rodionow et al. Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1948 , p. 536,545 Chem.Abstr., 1949 , p. 2200

 Precursor & DownStream

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

Precursor  6

DownStream  0

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

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

3-Hydroxy-2-formylthionaphthene
3-hydroxybenzo<b>thiophenone-2-carbaldehyde
3-Hydroxy-2-formylbenzothiophene
Benzo[b]thiophene-2-carboxaldehyde,3-hydroxy
3-Hydroxybenzo[b]thiophene-2-carboxaldehyde
3-hydroxy<AC1OAY45
3-hydroxybenzothiophene-2-carbaldehyde
3-hydroxybenzo[b]thiophene-2-carbaldehyde
3-hydroxy-1-benzothiophene-2-carbaldehyde
2-formyl-3-hydroxy-benzo{b}thiophene

 3-hydroxy-2-formylbenzothiophene | FAQ

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

Q: What is the InChIKey of 2-(hydroxymethylidene)-1-benzothiophen-3-one?
A: InChIKey of 2-(hydroxymethylidene)-1-benzothiophen-3-one is FKDSQVIMAMXYDT-UHFFFAOYSA-N.
Q: What is the Chinese name of 27751-82-2?
A: Chinese name of 27751-82-2 is 27751-82-2.
Q: What is the molecular formula of 2-(hydroxymethylidene)-1-benzothiophen-3-one?
A: Molecular formula of 2-(hydroxymethylidene)-1-benzothiophen-3-one is C9H6O2S.
Q: What is the polar surface area (PSA) of 2-(hydroxymethylidene)-1-benzothiophen-3-one?
A: Polar surface area (PSA) of 2-(hydroxymethylidene)-1-benzothiophen-3-one is 62.60000.
Q: What is the SMILES notation of 2-(hydroxymethylidene)-1-benzothiophen-3-one?
A: SMILES notation of 2-(hydroxymethylidene)-1-benzothiophen-3-one is O=Cc1sc2ccccc2c1O.
Q: What is the molecular weight of 2-(hydroxymethylidene)-1-benzothiophen-3-one?
A: Molecular weight of 2-(hydroxymethylidene)-1-benzothiophen-3-one is 178.20800.
Q: What English synonyms does 2-(hydroxymethylidene)-1-benzothiophen-3-one have?
A: English synonyms of 2-(hydroxymethylidene)-1-benzothiophen-3-one: 3-Hydroxy-2-formylthionaphthene, 3-hydroxybenzothiophenone-2-carbaldehyde, 3-Hydroxy-2-formylbenzothiophene, Benzo[b]thiophene-2-carboxaldehyde,3-hydroxy, 3-Hydroxybenzo[b]thiophene-2-carboxaldehyde, 3-hydroxy
Q: What are the upstream materials of 2-(hydroxymethylidene)-1-benzothiophen-3-one?
A: Related upstream materials(CAS) of 2-(hydroxymethylidene)-1-benzothiophen-3-one: 7342-82-7;617-48-1;147-93-3;520-72-9;56208-31-2;108-24-7.
Q: What is the English name of 2-(hydroxymethylidene)-1-benzothiophen-3-one?
A: The English name of 2-(hydroxymethylidene)-1-benzothiophen-3-one is 2-(hydroxymethylidene)-1-benzothiophen-3-one.
Q: What is the CAS number of 2-(hydroxymethylidene)-1-benzothiophen-3-one?
A: CAS number of 2-(hydroxymethylidene)-1-benzothiophen-3-one is 27751-82-2.

 3-hydroxy-2-formylbenzothiophenefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Dayang Chem (Hangzhou) Co., Ltd.
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