CAS 111-17-1 appears in our catalog under these names: 3,3'–Thiodipropionic acid, 3,3'-Thiodipropionic acid, 98% , 3,3'-Thiodipropionic Acid, >99.0%(T), 3,3'-Thiodipropionic acid, 99%, 3,3-Thiodipropionic acid 99%. Offered by: GLPBio, Thermo Scientific (Alfa Aesar), TCI, Thermo Scientific (Acros), Ambeed. Available pack sizes: 500g, 1000g, 250g, 25g, 2.5KG, 100g, 1kg, 50 g.