Mefenacet, 10 µg/ml, Acetonitrile, 10ml Back Catalog number: 677916 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3656.6-100-AN 1,2,4,5-Tetrachlorobenzene Price on request 678194 Imicyafos, 100 µg/ml, Acetonitrile, 1ml Price on request 0239.20-200-T Benzo[a]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 50-32-8 Price on request