CAS 9012-09-3 appears in our catalog under these names: Cellulose triacetate, 97%, Cellulose triacetate, Cellulose triacetate, Cellulose triacetate Acetyl Content43-44%,Ester value60.5-61.5%, 2,3,6-Tri-O-acetyl cellulose, Acetyl Content43-44%,Ester value60.5-61.5%, Acetyl Content43-44%,Ester value60.5-61.5%. Offered by: AmBeed, GLPBio, Thermo Scientific (Acros), Sigma-Aldrich, Chemat. Available pack sizes: 500g, 10g, 25g, 5g, 50g, 250g, 100g.