Congo Red is an azo dye. It binding been used as a diagnostic test for the presence of amyloid in tissue sections.

5-CFDA(5-Carboxyfluorescein diacetate) is membrane-permeant. It can be loaded into cells via incubation and hydrolyzed by intracellular esterases to 5-carboxyfluorescein that is used for labeling human intervertebral disk cells in vitro for fluorescence microscopy.

Hydrocortisone 21-hemisuccinate is a corticosteroid used as an analytical and chromatography reagent.