Heptachlor, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678426 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 9221.8-100MG 1-(2-Hydroxyphenyl)ethanone (2-Hydroxyacetophenone), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 118-93-4 Price on request 3914.16-100-ME Crotaline, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 315-22-0 Price on request 2598.48-100MG Dicoronylene (mixture w/Coronylovalene), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 98570-53-7 Price on request