Chemistry: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
PubChem CID	3390511
UNII	M977MK9GKO
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 pictograms
GHS Signal word	Danger
GHS hazard statements	H315, H318, H319, H335
GHS precautionary statements	P261, P264, P271, P280, P302+352, P304+340, P305+351+338, P310, P312, P321, P332+313, P337+313, P362, P403+233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N (what is YN ?)
Infobox references

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

MPAA is also used in native chemical ligation as a thiol catalyst.