Aroclor 1254 Back Catalog number: 93113 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1962.12-5MG 2,2',4,4'-Tetrabromodiphenyl ether, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 5436-43-1 Price on request XA20565000AL Benzo[b]fluoranthene, 100µg/mL in Acetonitrile, 1ml Price on request 71151 Caffeine, 1000µg/ml in MeOH, 1ml Price on request