CAS 20661-21-6 appears in our catalog under these names: Indium hydroxide/ 99.99%, Indium hydroxide,99·99%, Indium(III) hydroxide, 99.8% (metals basis) , Indium(III) hydroxide, 99.998% (metals basis) , Indium(III) Hydroxide, >98.0%(T). Offered by: Chemat, GLPBio, Thermo Scientific (Alfa Aesar), TCI, Ambeed. Available pack sizes: 25g, 100g, 10g, 50g, 5g, 500g.