CAS 14808-60-7 appears in our catalog under these names: Silicon(IV) oxide, 99.5% (metals basis) , Silicon(IV) oxide, microcrystalline , Quartz rod, fused, 2.0mm (0.079in) dia , Quartz rod, fused, 5.0mm (0.197in) dia , Quartz rod, fused, 10.0mm (0.394in) dia . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 250g, 1kg, 2kg, 10kg, 12in , 48in , 1000g, 5000g.