CAS 140681-55-6 appears in our catalog under these names: 1-Chloromethyl-4-fluoro-1,4-diazoniabicyclo[2.2.2]octane bis(tetrafluoroborate), 96%, Selectfluor, >95% (HPLC), 1–(Chloromethyl)–4–fluoro–1,4–diazabicyclo(2·2·2)octane–1,4–diium tetrafluoroborate, 1-Chloromethyl-4-fluoro-1,4-diazoniabicyclo[2.2.2]octane bis, N-Fluoro-N'-(chloromethyl)triethylenediamine bis(tetrafluoroborate). Offered by: Combi-blocks, TRC, GLPBio, Thermo Scientific (Alfa Aesar), Biosynth. Available pack sizes: 25g, 4x25g, 10g, 500g, 5g, 0,1kg, 0,05kg, 100g.