CAS 98181-63-6 appears in our catalog under these names: 5(6)–TAMRA (5(6)–Carboxytetramethylrhodamine), 5(6)-TAMRA, 5-(6)-Carboxytetramethylrhodamine, 5(6)-Carboxytetramethylrhodamine, 95%, 5(6)-CARBOXYTETRAMETHYLRHODAMINE BIOREA&. Offered by: GLPBio, Chemat, Biosynth, Combi-blocks, Sigma-Aldrich. Available pack sizes: 100mg, 10mM (in 1ml dmso), 200mg, 500mg, 0,5g, 0,25g, 1g, 2g.