General Description
p-Hydroxyphenylglyoxal (HPG) is a protein modification reagent that reacts with arginine residues to give a large increase in absorbance at approximately 340 nm. HPG is a better choice for amino acid side chain modification due to its increased water solubility over phenylglyoxal and HPG modifier-associated improved oxidation resistance over p-nitrophenylglyoxal.
Molecular Formula:Â Â C8H6O3
Molecular Weight:Â Â Â 168.15
CAS Number:Â Â Â Â Â Â Â 24645-80-5
Synonyms:Â Â Â Â Â Â Â Â Â p-Hydroxyphenylglyoxal monohydrate; 4-hydroxyphenylglyoxal; HPG
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