4-Mercaptophenylacetic acid

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

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
3D model (JSmol)
ChEMBL
ChemSpider
ECHA InfoCard 100.156.056
UNII
Properties
HSC6H4CH2CO2H
Molar mass 168.21 g/mol
Hazards
GHS pictograms
GHS Signal word Danger
GHS hazard statements
H315, H318, H319, H335
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 is also used in native chemical ligation as a thiol catalyst.


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