2,4'-DDD, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673528 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2125.12-K-IO Arochlor 1221 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11104-28-2 Price on request C10535000 Benzene, 1ml Price on request 673559 alpha-Endosulfan, 10.0 µg/ml, Ethyl acetate, 10m Price on request