Heptachlor, 100 µg/ml, Methanol, 1ml Back Catalog number: 679447 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 70416 Di(propylene glycol) methyl ether, 1000µg/ml in MeOH, 1ml Price on request 72157 (-)-Epinephrine Price on request 71395 4-Amino-2,6-dinitrotoluene Price on request