2,4’-DDE, 1000µg/ml in Hexane, 1ml Back Catalog number: 79114 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0207.22-200-T Benzo[a]tetracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 226-88-0 Price on request 675810 Ethephon, 100 µg/ml, Acetonitrile, 5ml Price on request 677368 Acenaphthene, 100mg Price on request