Iodoacetic Acid is ≥ 99.0% pure.Iodoacetic acid is used for themodification and alkylation of sulfhydryls (-SH) in cysteine residues found in proteins and peptides.Molecular Weight: 185.95CAS Number: 64-69-7Linear Formula: ICH2CO2HAlternative Names: Iodoacetate; 2-Iodoacetic Acid; IA; Iodoethanoic Acid; Monoiodoacetate; Monoiodoacetic acid; MIA