CAS 1825-31-6 appears in our catalog under these names: 1,4-Dichloronaphthalene, 1,4-Dichloronaphthalene 10 µg/mL in Acetonitrile, 1,4-Dichloronaphthalene 10 µg/mL in Isooctane, 1,4-Dichloronaphthalene, Concentration: 100 µg/ml Solvent: Acetonitrile. Offered by: Dr. Ehrenstorfer, HPC Standards. Available pack sizes: 25mg, 10ml, 1x25mg, 1x5ml.