Thiophene-2-acetic acid

Thiophene-2-acetic acid
Names
	Other names T2AA, 2-Thiopheneacetic acid, 2-Thienylacetic acid
Identifiers
CAS Number	1918-77-0 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	114551
ChEBI	CHEBI:45807;
ChemSpider	15174;
ECHA InfoCard	100.016.037
EC Number	217-639-8;
Gmelin Reference	101935
KEGG	C02595;
PubChem CID	15970;
CompTox Dashboard (EPA)	DTXSID5062059 ;
	InChI InChI=1S/C6H6O2S/c7-6(8)4-5-2-1-3-9-5/h1-3H,4H2,(H,7,8) Key: SMJRBWINMFUUDS-UHFFFAOYSA-N;
	SMILES C1=CSC(=C1)CC(=O)O;
Properties
Chemical formula	C6H6O2S
Molar mass	142.17 g·mol−1
Appearance	white solid
Hazards
	GHS labelling:[1]
Pictograms
Signal word	Danger
Hazard statements	H314
Precautionary statements	P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P405, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Thiophene-2-acetic acid is the organosulfur compound with the formula HO₂CCH₂C₄H₃S. Together with thiophene-3-acetic acid, it is one of two isomeric thiophene acetic acids.

Preparation and use

It is prepared from 2-acetylthiophene.

It is a precursor to the antibiotics cephaloridine and cephalothin.[2]

References

"2-Thiopheneacetic acid". pubchem.ncbi.nlm.nih.gov. Retrieved 9 January 2022.
Swanston, Jonathan (2006). "Thiophene". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a26_793.pub2. ISBN 3527306730..

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[1] "2-Thiopheneacetic acid". pubchem.ncbi.nlm.nih.gov. Retrieved 9 January 2022.

[Ullmann-2] Swanston, Jonathan (2006). "Thiophene". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a26_793.pub2. ISBN 3527306730..