CAS 77-47-4 appears in our catalog under these names: Hexachlorocyclopentadiene, Hexachlorocyclopentadiene 10 µg/mL in Isooctane, Hexachlorocyclopentadiene 100 µg/mL in Isooctane, Hexachlorocyclopentadiene 1000 µg/mL in Acetone, Hexachlorocyclopentadiene, Concentration: 100 µg/ml Solvent: Cyclohexane. Offered by: Dr. Ehrenstorfer, Biosynth, HPC Standards. Available pack sizes: 100mg, 10ml, 1ml, 1g, 5g, 10g, 25g, 1x100mg.