Heptachlor, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678426 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 676926 4,4'-Diaminodiphenylmethane, 250mg Price on request 676365 Nonafluoro-1-butanesulfonic acid, 100mg Price on request 10704.22-100MG di C6-8 branched C7 rich phthalate Price on request