CAS 658-78-6 appears in our catalog under these names: 4-Nitrophenyl trifluoroacetate, 96%, 4-Nitrophenyl trifluoroacetate, 4–Nitrophenyl Trifluoroacetate, 4-Nitrophenyl Trifluoroacetate, >98.0%(GC), 4-Nitrophenyl 2,2,2-Trifluoroacetate, 98%, 98%. Offered by: Combi-blocks, TRC, GLPBio, TCI, Chemat. Available pack sizes: 5g, 100g, 25g, 500g, 1g, 2,5g, 10g.