CAS 5965-38-8 appears in our catalog under these names: Cobalt(II) oxalate dihydrate, Reagent Grade , Cobalt(II) oxalate dihydrate, Puratronic½, 99.995% (metals . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 5g, 25g, 100g, 500g, 10g, 50g.