CAS 25038-54-4 appears in our catalog under these names: NYLON 6, PELLETS, Polyamide, for column chromatography, 250 g, plastic, Polyamide, for column chromatography, 100 g, plastic. Offered by: Sigma-Aldrich, Roth. Available pack sizes: 1KG, 25G, 500G, 250g, 100g.