4,4'-DDD, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673530 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 90166R Aroclor 1268 Price on request 2496.14-K-ME Di-n-heptyltin dichloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 74340-12-8 Price on request MPFAC-C-ES Mass-Labelled PFC Extraction Standard, 2µg/ml in MeOH, 1,2ml Price on request