Our scientifically validated isotype controls are essential for distinguishing specific antibody signals from non-specific background in in vivo and in vitro assays. Each product is host-species matched to your primary antibody, with no target reactivity confirmed via species cross-reactivity testing. Ideal for preclinical research requiring clinical-grade quality, InvivoCrown reagents are developed under GMP-compliant ISO9001 systems for seamless transition to therapeutic pipelines.