CAS 7440-31-5 appears in our catalog under these names: Tin Granules 2-4 mm/ 99.9999%, Tin Wire 1.0 mm diameter/ 99.9+%, Tin Wire 1.0 mm diameter/ 99.999%, Tin Wire 2.0 mm diameter/ 99.9+%, Sulfur-Free Tin Standard: Sn @ 1000 µg/g in Hydrocarbon Oil. Offered by: Chemat, VHG. Available pack sizes: 5g, 5m, 50g, 200g, 50ml, 100ml, 500ml, 250ml.