CAS 15015-57-3 appears in our catalog under these names: Elastase-IN-3 98%, Elastase-IN-3, 99.71%, Bis(4-hydroxyphenyl) Disulfide, >98.0%(GC), Bis(4-hydroxyphenyl) Disulfide, 98%, 98%, Bis(4-hydroxyphenyl) Disulfide, 98%. Offered by: Ambeed, MedChemExpress, TCI, Chemat, Fluorochem. Available pack sizes: 1g, 5g, 25g, 100g, 500g, 10mM/1mL, 10 g, 25 g.