CAS 99-99-0 appears in our catalog under these names: 4-Nitrotoluene, Nifedipine Impurity 27, 4-Nitrotoluene, >95% (HPLC), 4-Nitrotoluene 10 µg/mL in Acetonitrile, 4-Nitrotoluene, >99.0%(GC). Offered by: Chemat Brand, Hubei YoungXin, TRC, Dr. Ehrenstorfer, TCI. Available pack sizes: on request, 10mg, 25mg, 50mg, 100mg, 200mg, 10g, 5g.