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 677025 1,4-Phenylenediamine, 100mg Price on request 96032 Internal Standard - Surrogate Mix Price on request 2226.10-K-HX 1,3-Diethylbenzene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 141-93-5 Price on request