4,4'-DDE, 100 µg/ml, Toluene, 5ml Back Catalog number: 675841 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 0212.18-10MG Chrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 218-01-9 Price on request 679748 Erythromycin, 100 µg/ml, Methanol, 5ml Price on request 83561 Valeraldehyde-DNPH Price on request