2,4'-DDD, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678377 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 678952 Fenchlorazol-ethyl, 10 µg/ml, Acetonitrile, 10ml Price on request 8711.12-5MG 2,3,3',4',5,6-Hexachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 74472-44-9 Price on request 681687 4-Methylphenol, 100 µg/ml, Methanol, 5ml Price on request