CAS 4984-82-1 appears in our catalog under these names: Cyclopentadienylsodium, Sodium cyclopentadienide, 2-3M in THF , SODIUM CYCLOPENTADIENYLIDE, 2.4 M IN THF, SODIUM CYCLOPENTADIENYLIDE, 2.4 M IN TH. Offered by: GLPBio, Thermo Scientific (Alfa Aesar), Sigma-Aldrich. Available pack sizes: 100ml, 250ml, 50ml, 0.1mole, 0.5mole, 800ML.