Thiophene-3-acetic acid

Names
Preferred IUPAC name

(Thiophen-3-yl)acetic acid

Other names

3-TAA, Thiophen-3-yl-acetic acid

Identifiers

CAS Number

* 6964-21-2 Y

3D model (JSmol)

* Interactive image

ChemSpider |

* 21886 Y

EC Number |

* 230-166-1

PubChem CID

* 23404

UNII |

* 3B235D2C4J Y

InChI

* InChI=1S/C6H6O2S/c7-6(8)3-5-1-2-9-4-5/h1-2,4H,3H2,(H,7,8) Y

Key: RCNOGGGBSSVMAS-UHFFFAOYSA-N Y

SMILES

* C1=CSC=C1CC(=O)O

Properties

Chemical formula

| C6H6O2S
Molar mass | 142.18 g/mol
Appearance  | colorless or white solid
Density | 1.336 g/cm3
Melting point |  79–80 °C (174–176 °F; 352–353 K)

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Y verify (what is YN ?)
Infobox references

Thiophene-3-acetic acid is an organosulfur compound with the formula HO2CCH2C4H3S. It is a white solid. It is one of two isomers of thiophene acetic acid, the other being thiophene-2-acetic acid.

Thiophene-3-acetic acid has attracted attention as a precursor to functionalized derivatives of polythiophene.[1]

## References

1. ↑ Huo, Haohua; Shen, Xiaodong; Wang, Chuanyong et al. (2014). "Asymmetric photoredox transition-metal catalysis activated by visible light". Nature 515 (7525): 100–103. doi:10.1038/nature13892. PMID 25373679. Bibcode: 2014Natur.515..100H.

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*[CID]: Compound ID