Heptachlor, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678426 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 672968 Oxytetracycline hydrochloride, 250mg Price on request PFC-MXA Native PFCA Solution/Mixture, 2µg/ml in MeOH, 1,2ml Price on request 92357 EPA Method 8141/1657 Surrogate Standard Price on request