CAS 115532-50-8 appears in our catalog under these names: Tetramethylrhodamine methyl ester (perchlorate), Tetramethylrhodamine methyl ester perchlorate, TMRM Perchlorate/ 99.9%, Tetramethylrhodamine Methyl Ester Perchlorate, >98.0%(HPLC), Tetramethylrhodamine Methyl Ester Perchlorate 98%. Offered by: GLPBio, TRC, TargetMol, TCI, Thermo Scientific (Acros). Available pack sizes: 50mg, 250mg, 5mg, 10mg, 25mg, 100mg, 200mg, 500mg.