CAS 557-05-1 appears in our catalog under these names: Zinc stearate, Zinc stearate, for biochemistry, 1 kg, plastic, Zinc stearate, ZnO 12.5-14% , Zinc stearate, 12.00%, Zinc stearate ZnO 12.5-14%. Offered by: Chemat, Roth, Thermo Scientific (Alfa Aesar), TCI, Thermo Scientific (Acros). Available pack sizes: 1kg, 50g, 250g, 5kg, 100g, 500g, 20KG, 1000g.