4-Mercaptophenylacetic acid

4-Mercaptophenylacetic acid
Names
	IUPAC name 2-(4-sulfanylphenyl)acetic acid
	Preferred IUPAC name (4-Sulfanylphenyl)acetic acid
	Other names 2-(4-Mercaptophenyl)acetic acid; 4-Mercaptophenylacetic acid; MPAA
Identifiers
CAS Number	39161-84-7;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL257258;
ChemSpider	2635348;
ECHA InfoCard	100.156.056
PubChem CID	3390511;
UNII	M977MK9GKO;
CompTox Dashboard (EPA)	DTXSID80392056 ;
	InChI InChI=1S/C8H8O2S/c9-8(10)5-6-1-3-7(11)4-2-6/h1-4,11H,5H2,(H,9,10) Key: ORXSLDYRYTVAPC-UHFFFAOYSA-N;
	SMILES C1=CC(=CC=C1CC(=O)O)S;
Properties
Chemical formula	HSC6H4CH2CO2H
Molar mass	168.21 g/mol
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H315, H318, H319, H335
Precautionary statements	P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P310, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). (what is ?) Infobox references

MPAA (4-Mercaptophenylacetic acid) is a redox buffer that increases the folding rate of disulfide-containing proteins.

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