Heptachlor, 1000µg/ml in Hexane, 1ml Back Catalog number: 79022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70030 Benzo(a)pyrene Price on request 15900-1720-100AN5 Diflufenican, 100µg/ml in Acetonitrile, 5ml 1 295,00 Kč 79688 4,4’-DDE Price on request