Heptachlor, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678426 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 93928 Alcohol Standard Price on request 53303 LFS Solution 1 Price on request 10259.9-1G Allyl sorbate, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 7493-75-6 Price on request