CAS 13862-78-7 appears in our catalog under these names: Ammonium tetrathiotungstate, 95%, Ammonium tetrathiotungstate, Ammonium tetrathiotungstate , AMMONIUM TETRATHIOTUNGSTATE, >=99.9% ME&. Offered by: Combi-blocks, GLPBio, Thermo Scientific (Alfa Aesar), Sigma-Aldrich. Available pack sizes: 2g, 10g, 25g, 5g.