CAS 1825-21-4 appears in our catalog under these names: Pentachloroanisole, 95%, 2,3,4,5,6-Pentachloroanisole, >95% (GC), Pentachloroanisole, Pentachloroanisole 10 µg/mL in Cyclohexane, Pentachloroanisole 1000 µg/mL in Methanol. Offered by: Combi-blocks, TRC, Dr. Ehrenstorfer, HPC Standards. Available pack sizes: 10g, 5g, 1g, 100mg, 250mg, 10ml, 1ml, 1x50mg.