CAS 321-64-2 appears in our catalog under these names: Tacrine, min. 95 %, 500 mg, Tacrine, Tacrine, >98.0%(HPLC)(T), Tacrine, 97.00%, Tacrine 98%. Offered by: Roth, GLPBio, Biosynth, TCI, Chemat. Available pack sizes: 500mg, 10mg, 100mg, 5mg, 50mg, 250mg, 1g, 1000mg.