Heptachlor, 100 µg/ml, Methanol, 1ml Back Catalog number: 679447 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1045.15-K-IO n-Nonylcyclohexane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2883-02-5 Price on request 3510.12-100-CY Tetradifon Price on request 679556 D5-Nalidixic acid, 10mg Price on request