Goat anti-human IgG (H&L) is a FITC (fluorescein-5-isothiocyanate) conjugated secondary antibody F(ab)'2 fragment, which binds to all human IgGs in immunological assays. FITC has Amax = 494 nm, Emax = 518 nm. Fluor to protein ratio is 3-7 moles FITC per mole antibody. Antibody is adsorbed to bovine,mouse,rabbit serum and its purity is > 90% based on SDS-PAGE. Antibody solution may contain small amounts of intact IgG.