4,4’-DDD Back Catalog number: 79148 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673530 4,4'-DDD, 100 µg/ml, Ethyl acetate, 5ml Price on request BFR-PAR Native Compounds Stock Solution, 1.2ml, toluene Price on request 90594 Aroclor 1232 Price on request