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 X9054 4,4’-DDD Price on request 63065 2,3,5,6-Tetrachlorobiphenyl (65) Price on request 19133 d-BHC Price on request