2,3,3',4,4',5,5'-Heptachlorobiphenyl (189) Back Catalog number: 66189 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682373 1-Bromo-2-fluorobenzene, 1000mg Price on request 92574 VOA Standard Price on request 1692.12-100-TX10 2-Fluorodibenzothiophene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 177586-38-8 Price on request