4,4'-DDE, 100 µg/ml, Methanol, 1ml Back Catalog number: 679459 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1743.13-K-T Benzo[f]quinoline, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 85-02-9 Price on request 677131 Propylene glycol 1-methyl ether 2-acetate, 250mg Price on request 3192.22-K-IO Ethyl eicosanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 18281-05-5 Price on request