4,4'-DDT, 10.0 µg/ml, Cyclohexane, 10ml Back Catalog number: 679109 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 30069 Internal standard 3, 2000g/ml in MeOH, 1ml Price on request 73576 DL-Lactic acid Price on request 2538.14-100-ME Naproxen, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 22204-53-1 Price on request