Description_x000D_ General description_x000D_ Fluorescein isothiocyanate (FITC) is widely used to attach a fluorescent label to proteins via the amine group. The isothiocyanate group reacts with amino terminal and primary amines in proteins. It has been used for the labeling of proteins including antibodies and lectins._x000D_ Application_x000D_ Fluorescein isothiocyanate isomer I has been used for the staining of conidia._x000D_ Reagent for the FITC labeling of proteins; Microsequencing of proteins and peptides (HPLC)_x000D_ Packaging_x000D_ Bottomless glass bottle. Contents are inside inserted fused cone.