Heptachlor, 100 µg/ml, Ethyl acetate, 1ml Back Catalog number: 676691 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended MPFAC-C-IS Mass-Labelled PFC Injection Standards, 2µg/ml in MeOH, 1,2ml Price on request 30086 EPA Method 507/525 Analyte Mix #5 Price on request 681451 Chlordimeform, 10.0 µg/ml, Ethyl acetate, 10ml Price on request