Chemistry:Thiophene-2-acetic acid

Thiophene-2-acetic acid

Names
Other names T2AA, 2-Thiopheneacetic acid, 2-Thienylacetic acid
Identifiers
CAS Number	1918-77-0 Y
3D model (JSmol)	Interactive image
Beilstein Reference	114551
ChEBI	CHEBI:45807
ChemSpider	15174
EC Number	217-639-8
Gmelin Reference	101935
KEGG	C02595
PubChem CID	15970
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 pictograms
GHS Signal word	Danger
GHS hazard statements	H314
GHS precautionary statements	P260, P264, P280, P301+330+331, P303+361+353, P304+340, P305+351+338, 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.