CAS 32598-13-3 appears in our catalog under these names: 3,3',4,4'-Tetrachlorobiphenyl, PCB No. 77, PCB No. 77 10 µg/mL in Isooctane, PCB No. 77 100 µg/mL in Isooctane, PCB 77, ROTI®Star, 20 mg, glass. Offered by: TRC, Dr. Ehrenstorfer, Biosynth, Roth, HPC Standards. Available pack sizes: 50mg, 5mg, 25mg, 10ml, 2ml, 2mg, 10mg, 20mg.