CAS 7440-15-5 appears in our catalog under these names: Rhenium rod, 4.7-5mm (0.19-0.2in) dia, 99.97% (metals basis), Rhenium foil, 0.025mm (0.001in) thick, 99.97% (metals basis), Rhenium foil, 0.1mm (0.004in) thick, 99.97% (metals basis) , Rhenium foil, 0.25mm (0.01in) thick, 99.97% (metals basis) , Rhenium wire, 0.1mm (0.004in) dia, annealed, 99.97% (metals . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 12.5mm, 25x25mm, 50x50mm, 100cm, 10cm, 50cm, 250cm, 5cm.