Human C4 (Complement Component 4) ELISA Kit for detecting C4 in serum, plasma, cell culture supernatant, cell or tissue lysate, other biological fluids. Species Reactivity: Human (Homo sapiens). Detection Range: 4.688-300ng/ml. Sensitivity: 2.813ng/ml. Format: 96-Well Plate. Assay Type: Sandwich ELISA, Double Antibody. Assay Time: 3h, 30 min. Accession Number: P0C0L4. Target Synonyms: C4. Restrictions: For Research Use Only. Not for use in diagnostic procedures.