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4-Mercaptophenylacetic acid

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(Redirected from 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
3D model (JSmol)
ChEMBL
ChemSpider
ECHA InfoCard 100.156.056 Edit this at Wikidata
PubChem CID
UNII
CompTox Dashboard (EPA)
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 GHS05: CorrosiveGHS07: Exclamation mark
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 , 100 kPa). ☒N (what is  ?) Infobox references
Chemical compound

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.


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