CAS 21041-93-0 appears in our catalog under these names: Cobalt(II) hydroxide (DG), Cobalt(II)hydroxide, Cobalt(II) hydroxide, 99.9% (metals basis) , Cobalt(II) hydroxide, 97% , Cobalt(II) Hydroxide, >95.0%(GC). Offered by: Chemat, GLPBio, Thermo Scientific (Alfa Aesar), TCI, Thermo Scientific (Acros). Available pack sizes: 500g, 100g, 2kg, 50g, 250g, 1KG, 25g, 750g.