6-Hydroxyindole is a reactant for asymmetrical synthesis of notoamide J as a potential biosynthetic precursor of prenylated indole alkaloids and for preparation of indoleoxyacetic acid derivatives as peroxisome proliferator-activated receptor agonists.

L-Buthionine-(SR)-sulfoximine is a cell-permeable and irreversible inhibitor of γ-glutamylcysteine synthetase (Ki <100 μM) that induces oxidative stress in cells by depleting GSH.

Naphthoresorcinol is a fluorescent dye (λex=330 nm, λem=380 nm).