Leading Biology's Chromogranin A (CHGA) Mouse Monoclonal Antibody [Clone ID: LBI12E5] is a Mouse monoclonal antibody. The Chromogranin A (CHGA) Mouse Monoclonal Antibody [Clone ID: LBI12E5] was generated using CHGA, and Chromogranin A as the antigen. It reacts with Human. This antibody has been shown to work in applications such as: Immunohistochemistry.