CAS 117947-85-0 appears in our catalog under these names: 1-Ethyl-1-methylpyrrolidinium tetrafluoroborate, 95%, 1-Ethyl-1-methylpyrrolidinium Tetrafluoroborate, 97%, 1–Ethyl–1–methylpyrrolidinium Tetrafluoroborate, 1-Ethyl-1-methylpyrrolidinium Tetrafluoroborate, >98.0%(N), 1-ETHYL-1-METHYLPYRROLIDINIUM TETRAFLUOR. Offered by: Combi-blocks, AmBeed, GLPBio, TCI, Sigma-Aldrich. Available pack sizes: 1g, 5g, 25g, 50G, 1 g, 5 g, 100g.