CAS 9004-34-6 appears in our catalog under these names: Alpha-Cellulose (powdered), a-Cellulose (powdered), Cellulose, microcrystalline , Cellulose, microcrystalline powder, 50 micron, BP, Ph. Eur., USP grade, 98.00%, Cellulose, microcrystalline powder, 90 micron, 98.00%. Offered by: TRC, Thermo Scientific (Alfa Aesar), Chemat, Biosynth, Thermo Scientific (Acros). Available pack sizes: 100g, 500g, 50g, 10000g, 2500g, 1kg, 250g, 25g.