2,5-Dioxopyrrolidin-1-yl methyl phthalate

2,5-Dioxopyrrolidin-1-yl methyl phthalate is a cross-linking agent used for modification of proteins and peptides. 2,5-Dioxopyrrolidin-1-yl methyl phthalate is a reagent for introducing succinimide-activated esters that react with primary amines in proteins and peptides to form stable amide bonds.