4,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml Back Catalog number: 673533 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 8219.15-K-AN n-Octanal-PFBOA derivative, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. Price on request 0690.29-100-IO 28-Norlupane (17ß(H)/17 alpha(H)), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 134501-93-2 / 134623-57-7 Price on request 71121 3,4-Dichloroaniline Price on request