CAS 56558-17-9 appears in our catalog under these names: PCB No. 119, PCB No. 119 10 µg/mL in Isooctane, 2,3',4,4',6–Pentachlorobiphenyl, PCB 119, ROTI®Star, 10 mg, glass, PCB 119, Concentration: 100 µg/ml Solvent: Isooctane. Offered by: Dr. Ehrenstorfer, GLPBio, Roth, HPC Standards. Available pack sizes: 5mg, 10ml, 1ml, 10mg, 1x5ml.