Description_x000D_ Application_x000D_ Reagent for the modification of cysteine residues in proteins. Used in protein sequencing (including by Sanger in sequencing bovine insulin) to prevent oxidation of -SH sidechains._x000D_ Reagent for the modification of cysteine residues in proteins. Used to induce animal osteoarthritis model system, which mimics both symptoms and histopathology of the human disease._x000D_ Packaging_x000D_ 5, 25 g in glass bottle