D6-alpha-HCH, 100 µg/ml, Cyclohexane, 1ml Back Catalog number: 677653 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 676980 D5-Norfloxacin, 100 µg/ml, Acetonitrile, 1ml Price on request 59524 Anion Standard Price on request MPECB Pentachloro(13C6)benzene, 1.2mL x 100ug/mL, nonane Price on request