6-hydroxymelatonin sulfate ELISA Kit for detecting 6-hydroxymelatonin sulfate in serum, plasma, cell culture supernatant, cell or tissue lysate, other biological fluids. Species Reactivity: Universal. Detection Range: 7.813-500pg/ml. Sensitivity: 4.688pg/ml. Format: 96-Well Plate. Assay Type: Competitive ELISA, Coated with Antigen. Assay Time: 3h, 30 min. Target Synonyms: 6-hydroxymelatonin sulfate. Restrictions: For Research Use Only. Not for use in diagnostic procedures.