alpha-HCH, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678422 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1074.23-K-IO n-Heptadecylcyclohexane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 19781-73-8 Price on request 0221.24-200-T Benzo[b]perylene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 197-70-6 Price on request 2186.6-100MG Perfluorohexane sulfonylfluoride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 423-50-7 Price on request