Heptachlor, 100 µg/ml, Methanol, 1ml Back Catalog number: 679447 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 71813 1,3-Phenylenediamine, 1000µg/mL in methylene chloride, 1ml Price on request L12985500CY Disulfoton-sulfoxide, 10µg/mL in Cyclohexane, 10ml Price on request 10013.18-ML Octadecanal, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 638-66-4 Price on request