Biphenyl, 100 µg/ml, Cyclohexane, 5ml Back Catalog number: 674050 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3730.12-50-IO 5'-Fluoro-2,3,3',4,4',5,6-heptachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 61311 Dichlorofluoromethane Price on request 30004 EPA Method 500 Series Internal Standard #5 Price on request