4,4’-DDT Back Catalog number: 70101 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92262 PCB Congeners Price on request 94729 3,3’-Dimethylbenzidine Price on request 0236.20-10MG Benzo[e]pyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 192-97-2 Price on request