4H-Thieno[3,2-b]pyrrole-5-carboxylic acid

Modify Date: 2025-08-25 21:53:57

4H-Thieno[3,2-b]pyrrole-5-carboxylic acid Structure
4H-Thieno[3,2-b]pyrrole-5-carboxylic acid structure
 Common Name 4H-Thieno[3,2-b]pyrrole-5-carboxylic acid
CAS Number 39793-31-2 Molecular Weight 167.19
Density 1.6±0.1 g/cm3 Boiling Point 437.4±25.0 °C at 760 mmHg
Molecular Formula C7H5NO2S Melting Point 180ºC
MSDS N/A Flash Point 218.3±23.2 °C

 Use of 4H-Thieno[3,2-b]pyrrole-5-carboxylic acid


DAO-IN-2 is a novel D-amino acid oxidase (DAO) inhibitor. DAO-IN-2 demonstrates moderate potency for DAO in vitro and ex vivo[1].

 Names

Name 4H-Thieno[3,2-b]pyrrole-5-carboxylic acid
Synonym More Synonyms

  Biological Activity

Description DAO-IN-2 is a novel D-amino acid oxidase (DAO) inhibitor. DAO-IN-2 demonstrates moderate potency for DAO in vitro and ex vivo[1].
Related Catalog
References

[1]. Tim Sparey, et, al. The discovery of fused pyrrole carboxylic acids as novel, potent D-amino acid oxidase (DAO) inhibitors. Bioorg Med Chem Lett. 2008,18, 11.  

 Chemical & Physical Properties

Density 1.6±0.1 g/cm3
Boiling Point 437.4±25.0 °C at 760 mmHg
Melting Point 180ºC
Molecular Formula C7H5NO2S
Molecular Weight 167.19
Flash Point 218.3±23.2 °C
Exact Mass 167.004105
PSA 81.33000
LogP 3.24
Vapour Pressure 0.0±1.1 mmHg at 25°C
Index of Refraction 1.786
InChIKey PMHDSACGRKBACK-UHFFFAOYSA-N
SMILES O=C(O)c1cc2sccc2[nH]1

 Safety Information

HS Code 2934999090

 Synthetic Route

Ethyl 4H-thieno[3,2-b]pyrrole-5-carboxylate structure

Ethyl 4H-thieno...

CAS#:46193-76-4

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4H-Thieno[3,2-b]pyrrole-5-carboxylic acid Structure

4H-Thieno[3,2-b...

CAS#:39793-31-2

Literature: Cai, Hui; Carruthers, Nicholas I.; Dvorak, Curt A.; Edwards, James P.; Kwok, Annette K. Patent: US2004/48878 A1, 2004 ; Location in patent: Page/Page column 11 ; US 20040048878 A1
Methyl 4H-thieno[3,2-b]pyrrole-5-carboxylate structure

Methyl 4H-thien...

CAS#:82782-85-2

~83%

4H-Thieno[3,2-b]pyrrole-5-carboxylic acid Structure

4H-Thieno[3,2-b...

CAS#:39793-31-2

Literature: Srinivasan, Selvi; Schuster, Gary B. Organic Letters, 2008 , vol. 10, # 17 p. 3657 - 3660
N/A structure

N/A

CAS#:101258-55-3

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4H-Thieno[3,2-b]pyrrole-5-carboxylic acid Structure

4H-Thieno[3,2-b...

CAS#:39793-31-2

Literature: Snyder et al. Journal of the American Chemical Society, 1957 , vol. 79, p. 2556,2558
2-Thiophenecarboxaldehyde structure

2-Thiophenecarb...

CAS#:98-03-3

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4H-Thieno[3,2-b]pyrrole-5-carboxylic acid Structure

4H-Thieno[3,2-b...

CAS#:39793-31-2

Literature: Venable, Jennifer D.; Cai, Hui; Chai, Wenying; Dvorak, Curt A.; Grice, Cheryl A.; Jablonowski, Jill A.; Shah, Chandra R.; Kwok, Annette K.; Ly, Kiev S.; Pio, Barbara; Wei, Jianmei; Desai, Pragnya J.; Jiang, Wen; Nguyen, Steven; Ling, Ping; Wilson, Sandy J.; Dunford, Paul J.; Thurmond, Robin L.; Lovenberg, Timothy W.; Karlsson, Lars; Carruthers, Nicholas I.; Edwards, James P. Journal of Medicinal Chemistry, 2005 , vol. 48, # 26 p. 8289 - 8298
Ethyl azido-2-thiopheneacrylate structure

Ethyl azido-2-t...

CAS#:1056976-66-9

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4H-Thieno[3,2-b]pyrrole-5-carboxylic acid Structure

4H-Thieno[3,2-b...

CAS#:39793-31-2

Literature: Venable, Jennifer D.; Cai, Hui; Chai, Wenying; Dvorak, Curt A.; Grice, Cheryl A.; Jablonowski, Jill A.; Shah, Chandra R.; Kwok, Annette K.; Ly, Kiev S.; Pio, Barbara; Wei, Jianmei; Desai, Pragnya J.; Jiang, Wen; Nguyen, Steven; Ling, Ping; Wilson, Sandy J.; Dunford, Paul J.; Thurmond, Robin L.; Lovenberg, Timothy W.; Karlsson, Lars; Carruthers, Nicholas I.; Edwards, James P. Journal of Medicinal Chemistry, 2005 , vol. 48, # 26 p. 8289 - 8298
N-Boc-3-amino-2-formylthiophene structure

N-Boc-3-amino-2...

CAS#:368442-47-1

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4H-Thieno[3,2-b]pyrrole-5-carboxylic acid Structure

4H-Thieno[3,2-b...

CAS#:39793-31-2

Literature: Whittamore, Paul R.O.; Addie, Matthew S.; Bennett, Stuart N.L.; Birch, Alan M.; Butters, Michael; Godfrey, Linda; Kenny, Peter W.; Morley, Andrew D.; Murray, Paul M.; Oikonomakos, Nikos G.; Otterbein, Ludovic R.; Pannifer, Andrew D.; Parker, Jeremy S.; Readman, Kristy; Siedlecki, Pawel S.; Schofield, Paul; Stocker, Andy; Taylor, Melvyn J.; Townsend, Linda A.; Whalley, David P.; Whitehouse, Jennifer Bioorganic and Medicinal Chemistry Letters, 2006 , vol. 16, # 21 p. 5567 - 5571
N-acetyl-N-(2-formyl-thiophen-3-yl)-glycine ethyl ester structure

N-acetyl-N-(2-f...

CAS#:67268-40-0

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4H-Thieno[3,2-b]pyrrole-5-carboxylic acid Structure

4H-Thieno[3,2-b...

CAS#:39793-31-2

Literature: Soth,S. et al. Canadian Journal of Chemistry, 1978 , vol. 56, p. 1429 - 1434

 Customs

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

4H-Thieno[3,2-b]pyrrole-5-carboxylic acid
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Chemsrc provides CAS#:39793-31-2 MSDS, density, melting point, boiling point, structure, etc. Its name is 4H-Thieno[3,2-b]pyrrole-5-carboxylic acid>> amp version: 4H-Thieno[3,2-b]pyrrole-5-carboxylic acid

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