CAS 58775-05-6 appears in our catalog under these names: 2,7–Di–tert–butylfluorene, 2,7-Di-tert-butylfluorene, 97+% , 2,7-Di-tert-butylfluorene, >98.0%(GC), 2,7-Di-tert-butylfluorene 98%, 2,7-Di-tert-butylfluorene, 98%, 98%. Offered by: GLPBio, Thermo Scientific (Alfa Aesar), TCI, Ambeed, Chemat. Available pack sizes: 100g, 5g, 25g, 10g, 500g, 1000g, 1kg, 1g.