Goat anti-rabbit IgG (H&L), F(ab)2 fragment of FITC (fluorescein-5-isothiocyanate) conjugated secondary antibody which binds to rabbit IgG in immunological assays. FITC has Amax = 494 nm, Emax = 518 nm. Fluor to protein ratio is 3-7 moles FITC per mole