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 GS09000390DI PAH Mixture 390, 1000µg/mL in Dichloromethane, 5 x 1ml Price on request X9090 1,3-Dinitrobenzene Price on request 10412.4-10MG Sodium DL-3-hydroxybutyrate-3,4,4,4-d4 Price on request