PCB Congeners 1000 ppb Back Catalog number: 94587 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2789.12-100-IO 4,4'-Thiodianiline, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 139-65-1 Price on request 97914 Chlormequat Price on request 679286 4-Acetamidoantipyrine, 100mg Price on request