4,4’-DDD Back Catalog number: 79148 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677068 Lasalocid A sodium salt, 100 µg/ml, Acetonitrile, Price on request 2605.18-200-T 1,2,3,4,5,6-Hexahydrochrysene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 2091-91-0 Price on request 2129.12-100-IO Arochlor 1260 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11096-82-5 Price on request