Benzo(e)pyrene, 100 µg/mL in Acetonitrile, 1ml Back Catalog number: XA20645000AL Availability: In the manufacturer's stock Price on request - + Recommended 2503.12-50-IO 5,6-Difluoro-2,2',3,4,4'-pentabromodiphenyl ether (2,2',3,4,4'-Pentabromo-5,6-difluorodiphenyl ether), 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 886748-33-0 Price on request 82534 EPA Method 8270C - B/N Matrix Spiking Solution Price on request 79688 4,4’-DDE Price on request