CAS 13654-09-6 appears in our catalog under these names: PBB No. 209, PBB No. 209 10 µg/mL in Cyclohexane, PBB-No. 209 50 µg/mL in Isooctane, PBB 209, Concentration: 100 µg/ml Solvent: Cyclohexane. Offered by: Dr. Ehrenstorfer, HPC Standards. Available pack sizes: 10mg, 10ml, 1ml, 1x5ml.