2,4-Dibromophenol, 10µg/ml in MeOH, 10ml Back Catalog number: 678289 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2126.12-10-IO Arochlor 1242 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 53469-21-9 Price on request 72742 17-alpha-Ethynylestradiol Price on request 3729.12-50-IO 4'-Fluoro-2,3,3',4,5,6-hexachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request