Trichloromethane, 100 µg/ml, Methanol, 1ml Back Catalog number: 684175 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2821.7-50-ME n-Perfluoroheptanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 375-85-9 Price on request 678015 Trichlorfon, 100 µg/ml, Toluene, 1ml Price on request 0046.20-100-T 3-Nitroperylene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 20589-63-3 Price on request