2,4'-DDE, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673532 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-F40 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request H945870-25MG 5-(Hydroxymethyl)cytosine, 25mg Price on request 684390 4,4'-DDT, 100 µg/ml, Cyclohexane, 1ml Price on request