CAS 83-42-1 appears in our catalog under these names: 2-Chloro-6-nitrotoluene, 2–Chloro–6–nitrotoluene, 2-Chloro-6-nitrotoluene, >99.0%(GC), 2-Chloro-6-nitrotoluene 95%, 2-CHLORO-6-NITROTOLUENE, 99%. Offered by: Dr. Ehrenstorfer, GLPBio, TCI, Ambeed, Sigma-Aldrich. Available pack sizes: 250mg, 100g, 500g, 25g, 5g, 1000g, 50G, 1x250mg.