Thiophene-3-acetic acid

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 ;
3D model (JSmol)	Interactive image;
ChemSpider	21886 ;
ECHA InfoCard	100.027.424
EC Number	230-166-1;
PubChem CID	23404;
UNII	3B235D2C4J ;
CompTox Dashboard (EPA)	DTXSID10219904 ;
	InChI InChI=1S/C6H6O2S/c7-6(8)3-5-1-2-9-4-5/h1-2,4H,3H2,(H,7,8) Key: RCNOGGGBSSVMAS-UHFFFAOYSA-N ;
	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). verify (what is ?) 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

^ Huo, Haohua; Shen, Xiaodong; Wang, Chuanyong; et al. (2014). "Asymmetric photoredox transition-metal catalysis activated by visible light". Nature. 515 (7525): 100–103. Bibcode:2014Natur.515..100H. doi:10.1038/nature13892. PMID 25373679. S2CID 4456239.

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[1] Huo, Haohua; Shen, Xiaodong; Wang, Chuanyong; et al. (2014). "Asymmetric photoredox transition-metal catalysis activated by visible light". Nature. 515 (7525): 100–103. Bibcode:2014Natur.515..100H. doi:10.1038/nature13892. PMID 25373679. S2CID 4456239.

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