This product is the carrier free version of product #8644. All data were generated using the same antibody clone in the standard formulation which contains BSA and glycerol.This formulation is ideal for use with technologies requiring specialized or custom antibody labeling, including fluorophores, metals, lanthanides, and oligonucleotides. It is not recommended for ChIP, ChIP-seq, CUT&RUN or CUT&Tag assays. If you require a carrier free formulation for chromatin profiling, please contact us. Optimal dilutions/concentrations should be determined by the end user.BSA and Azide Free antibodies are quality control tested by size exclusion chromatography (SEC) to determine antibody integrity.