CAS 34052-37-4 appears in our catalog under these names: 2–Chloro–5–nitrobenzophenone, 2-Chloro-5-nitrobenzophenone, 98% , 2-Chloro-5-nitrobenzophenone, >98.0%(GC), 2-Chloro-5-nitrobenzophenone, (2-Chloro-5-nitrophenyl)(phenyl)methanone 98%. Offered by: GLPBio, Thermo Scientific (Alfa Aesar), TCI, Biosynth, Ambeed. Available pack sizes: 100g, 25g, 5g, 50g, 250g.