Santa Cruz Biotechnology, Inc.'s CD21 (A-3) Alexa Fluor® 680 Antibody is a Mouse monoclonal antibody. The CD21 (A-3) Alexa Fluor® 680 Antibody was generated using Cr2 as the antigen. It reacts with Homo Sapiens, Human, Mouse, and Rat. This antibody has been shown to work in applications such as: Flow Cytometry, Immunofluorescence, and Western Blot.