Thiophene-2-carboxylic acid

Thiophene-2-carboxylic acid
Names
Other names
2-thenoic acid; tenoic acid; Rhinotrophyl
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.007.659
EC Number
  • 208-423-4
KEGG
UNII
  • InChI=1S/C5H4O2S/c6-5(7)4-2-1-3-8-4/h1-3H,(H,6,7)
    Key: QERYCTSHXKAMIS-UHFFFAOYSA-N
  • C1=CSC(=C1)C(=O)O
Properties
C5H4O2S
Molar mass 128.15 g·mol−1
Appearance white solid
Melting point 125–127 °C (257–261 °F; 398–400 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Thiophene-2-carboxylic acid is an organic compound with the formula SC4H3CO2H. It is one of two monocarboxylic acids of thiophene, the other being thiophene-3-carboxylic acid. Copper(I) thiophene-2-carboxylate is a catalyst for Ullmann coupling reactions.

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